{"id":9267,"date":"2023-04-21T08:38:26","date_gmt":"2023-04-21T01:38:26","guid":{"rendered":"https:\/\/idconline.vn\/blog\/?p=9267"},"modified":"2023-06-02T10:58:16","modified_gmt":"2023-06-02T03:58:16","slug":"virus-may-tinh-la-gi-dinh-nghia-cac-loai-va-cach-chung-hoat-dong","status":"publish","type":"post","link":"https:\/\/idconline.vn\/blog\/virus-may-tinh-la-gi-dinh-nghia-cac-loai-va-cach-chung-hoat-dong\/","title":{"rendered":"Virus m\u00e1y t\u00ednh l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a, c\u00e1c lo\u1ea1i v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng"},"content":{"rendered":"\n<p>M\u1ee5c ti\u00eau c\u1ee7a b\u1ea5t k\u1ef3 virus m\u00e1y t\u00ednh n\u00e0o l\u00e0 x\u00e2m nh\u1eadp v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n v\u1edbi m\u00e3 l\u1ec7nh g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 cho h\u1ec7 th\u1ed1ng v\u00e0 ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Virus c\u00f3 th\u1ec3 thay \u0111\u1ed5i ho\u1eb7c x\u00f3a c\u00e1c t\u1ec7p tin, g\u00e2y ra s\u1ef1 c\u1ed1, cho ph\u00e9p hacker truy c\u1eadp, \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u ho\u1eb7c l\u00e0m cho thi\u1ebft b\u1ecb tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>L\u00e0m th\u1ebf n\u00e0o virus m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng? Ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf ch\u00fang? H\u1ea7u h\u1ebft ch\u00fang thu\u1ed9c v\u00e0o v\u00e0i lo\u1ea1i ch\u00ednh v\u00e0 bao g\u1ed3m c\u00e1c d\u1ea5u hi\u1ec7u v\u00e0 tri\u1ec7u ch\u1ee9ng th\u00f4ng th\u01b0\u1eddng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u c\u01a1 b\u1ea3n h\u01a1n \u0111\u1ec3 nh\u1eadn ra v\u00e0 ph\u00f2ng ch\u1ed1ng virus.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"800\" height=\"600\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/1-800x600-2.jpg\" alt=\"\" class=\"wp-image-9270\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/1-800x600-2.jpg 800w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/1-800x600-2-300x225.jpg 300w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/1-800x600-2-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<div id=\"toc_container\" class=\"toc_white no_bullets\"><p class=\"toc_title\">M\u1ee5c l\u1ee5c<\/p><ul class=\"toc_list\"><li><a href=\"#Virus_may_tinh_hoat_dong_nhu_the_nao\">Virus m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li><a href=\"#Dau_hieu_cua_virus_may_tinh_la_gi\">D\u1ea5u hi\u1ec7u c\u1ee7a virus m\u00e1y t\u00ednh l\u00e0 g\u00ec?<\/a><\/li><li><a href=\"#Virus_may_tinh_lay_lan_nhu_the_nao\">Virus m\u00e1y t\u00ednh l\u00e2y lan nh\u01b0 th\u1ebf n\u00e0o<\/a><ul><li><a href=\"#Cac_trang_va_tin_nhan_lua_dao\">C\u00e1c trang v\u00e0 tin nh\u1eafn l\u1eeba \u0111\u1ea3o<\/a><\/li><li><a href=\"#Cac_ung_dung_va_trang_web_tra_hinh\">C\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 trang web tr\u00e1 h\u00ecnh<\/a><\/li><li><a href=\"#o_USB\">\u1ed5 USB<\/a><\/li><li><a href=\"#Mang_Wi-Fi_khong_an_toan\">M\u1ea1ng Wi-Fi kh\u00f4ng an to\u00e0n<\/a><\/li><\/ul><\/li><li><a href=\"#6_loai_virus_may_tinh\">6 lo\u1ea1i virus m\u00e1y t\u00ednh<\/a><ul><li><a href=\"#1_virus_thuong_truResident_virus\">1. virus th\u01b0\u1eddng tr\u00fa(Resident virus)<\/a><\/li><li><a href=\"#2_Virus_vi_mo_Macro_virus\">2. Virus v\u0129 m\u00f4 (Macro virus)<\/a><\/li><li><a href=\"#3_Virus_khu_vuc_khoi_dong_Boot_sector_virus\">3. Virus khu v\u1ef1c kh\u1edfi \u0111\u1ed9ng (Boot sector virus)<\/a><\/li><li><a href=\"#4_Virus_da_hinh_Polymorphic_virus\">4. Virus \u0111a h\u00ecnh (Polymorphic virus)<\/a><\/li><li><a href=\"#5_Virus_ghi_de_Overwrite_virus\">5. Virus ghi \u0111\u00e8 (Overwrite virus)<\/a><\/li><li><a href=\"#6_Rootkit_virus\">6. Rootkit virus<\/a><\/li><\/ul><\/li><li><a href=\"#Cach_phong_chong_virus_may_tinh\">C\u00e1ch ph\u00f2ng ch\u1ed1ng virus m\u00e1y t\u00ednh<\/a><\/li><li><a href=\"#Diet_virus_may_tinh\">Di\u1ec7t virus m\u00e1y t\u00ednh<\/a><\/li><li><a href=\"#Ket_luan\">K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"Virus_may_tinh_hoat_dong_nhu_the_nao\">Virus m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/h2>\n\n\n\n<p>Vi-r\u00fat m\u00e1y t\u00ednh s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c thi v\u00e0 chi\u1ebfn l\u01b0\u1ee3c l\u00e2y nhi\u1ec5m kh\u00e1c nhau. Tuy nhi\u00ean, chu\u1ed7i s\u1ef1 ki\u1ec7n \u0111i\u1ec3n h\u00ecnh th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t chi\u00eau m\u1ea1o danh \u0111\u1ec3 l\u1eeba \u0111\u1ea3o ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd cho virus. Sau \u0111\u00f3, virus s\u1ebd th\u1ef1c thi v\u00e0 g\u00e2y ra t\u1ed5n h\u1ea1i.<\/p>\n\n\n\n<p>Vi-r\u00fat m\u00e1y t\u00ednh l\u00e0 m\u1ed9t lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i c\u00f3 h\u00e0nh vi t\u1ef1 nh\u00e2n b\u1ea3n. Vi-r\u00fat c\u00f3 th\u1ec3 l\u00e0m nhi\u1ec1u vi\u1ec7c kh\u00e1c nhau tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n. Nh\u01b0ng \u0111i\u1ec1u n\u00f3 g\u1ea7n nh\u01b0 lu\u00f4n lu\u00f4n l\u00e0m l\u00e0 li\u00ean t\u1ee5c l\u00e2y nhi\u1ec5m virus cho nhi\u1ec1u t\u1eadp tin v\u00e0 thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng.<\/p>\n\n\n\n<p>H\u1ed9i \u0111\u1ed3ng Qu\u1ed1c gia v\u1ec1 Ph\u00f2ng ch\u1ed1ng Tr\u1ed9m danh t\u00ednh \u01b0\u1edbc t\u00ednh r\u1eb1ng h\u00e0ng ng\u00e0y c\u00f3 560.000 ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed9c h\u1ea1i m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n. H\u00e0ng tri\u1ec7u virus \u0111ang t\u1ed3n t\u1ea1i, nh\u01b0ng h\u1ea7u h\u1ebft \u0111\u1ec1u thu\u1ed9c m\u1ed9t trong v\u00e0i danh m\u1ee5c ch\u00ednh. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c d\u1ea5u hi\u1ec7u c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n v\u00e0 thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/cac-lo-hong-anh-huong-den-nhieu-he-dieu-hanh-qnap-2.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>C\u00e1c l\u1ed7 h\u1ed5ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh QNAP<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Dau_hieu_cua_virus_may_tinh_la_gi\">D\u1ea5u hi\u1ec7u c\u1ee7a virus m\u00e1y t\u00ednh l\u00e0 g\u00ec?<\/span><\/h2>\n\n\n\n<p>M\u1ed9t s\u1ed1 virus t\u1ea1o ra c\u00e1c c\u1eeda s\u1ed5 b\u1eadt l\u00ean, b\u1eaft ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1u h\u01b0\u1edbng, k\u00edch ho\u1ea1t th\u00f4ng b\u00e1o l\u1ed7i ho\u1eb7c g\u00e2y ra s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng \u0111\u1ea7y \u0111\u1ee7. Nh\u1eefng tri\u1ec7u ch\u1ee9ng n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi virus th\u1ef1c thi v\u00e0 r\u1ea5t kh\u00f3 \u0111\u1ec3 b\u1ecf qua. \u1ee8ng d\u1ee5ng h\u1ee3p l\u1ec7 c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 ho\u1eb7c l\u1ed7i. Nh\u01b0ng b\u1ea1n n\u00ean lu\u00f4n \u0111i\u1ec1u tra khi nh\u1eefng \u0111i\u1ec1u n\u00e0y x\u1ea3y ra, ch\u1ec9 \u0111\u1ec3 ph\u00f2ng tr\u00e1nh.<\/p>\n\n\n\n<p>C\u00e1c lo\u1ea1i virus kh\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n, \u00edt nh\u1ea5t l\u00e0 trong m\u1ed9t th\u1eddi gian. Ch\u00fang g\u00e2y ra c\u00e1c tri\u1ec7u ch\u1ee9ng \u00edt \u0111\u00e1ng ch\u00fa \u00fd h\u01a1n. Nh\u01b0ng v\u1eabn c\u00f3 d\u1ea5u hi\u1ec7u ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm. M\u1ed9t s\u1ed1 s\u1ebd x\u00f3a t\u1ec7p tin, c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng m\u1edbi, g\u00e2y ra hi\u1ec7u su\u1ea5t m\u00e1y t\u00ednh ch\u1eadm, hi\u1ec7u su\u1ea5t tr\u00ecnh duy\u1ec7t ch\u1eadm ho\u1eb7c qu\u00e1 t\u1ea3i \u1ed5 c\u1ee9ng c\u1ee7a m\u00e1y t\u00ednh. M\u1ed9t s\u1ed1 lo\u1ea1i virus c\u00f2n c\u00f3 th\u1ec3 l\u00e0m cho ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t virus b\u1ecb l\u1ed7i.<\/p>\n\n\n\n<p>Ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u1ea7n c\u1ee9ng l\u1ed7i th\u1eddi, c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 tri\u1ec7u ch\u1ee9ng n\u00e0y. K\u1ebb t\u1ea5n c\u00f4ng hy v\u1ecdng m\u1ecdi ng\u01b0\u1eddi s\u1ebd b\u1ecf qua c\u00e1c d\u1ea5u hi\u1ec7u nh\u1eb9 nh\u00e0ng nh\u01b0ng ki\u00ean tr\u00ec c\u1ee7a virus m\u00e1y t\u00ednh, g\u1ed9p ch\u00fang v\u00e0o nh\u1eefng nguy\u00ean nh\u00e2n t\u1ef1 nhi\u00ean nh\u01b0 v\u1eady. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao lu\u00f4n quan tr\u1ecdng \u0111\u1ec3 lu\u00f4n \u0111i\u1ec1u tra b\u1ea5t k\u1ef3 h\u00e0nh vi ho\u1eb7c v\u1ea5n \u0111\u1ec1 hi\u1ec7u su\u1ea5t kh\u00f4ng b\u00ecnh th\u01b0\u1eddng n\u00e0o.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"594\" height=\"404\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/virus-may-tinh.png\" alt=\"\" class=\"wp-image-9271\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/virus-may-tinh.png 594w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/virus-may-tinh-300x204.png 300w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Virus_may_tinh_lay_lan_nhu_the_nao\">Virus m\u00e1y t\u00ednh l\u00e2y lan nh\u01b0 th\u1ebf n\u00e0o<\/span><\/h2>\n\n\n\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a tin t\u1eb7c \u0111\u1ec3 ph\u00e1t t\u00e1n <a href=\"http:\/\/solution-data-security\" target=\"_blank\" rel=\"noreferrer noopener\">vi-r\u00fat<\/a> m\u00e1y t\u00ednh li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u00e1nh l\u1eeba ho\u1eb7c \u0111\u00e1nh l\u1eeba ng\u01b0\u1eddi d\u00f9ng c\u1ea3 tin. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra th\u00f4ng qua l\u1eeba \u0111\u1ea3o tr\u1ef1c tuy\u1ebfn, trang web v\u00e0 \u1ee9ng d\u1ee5ng, m\u1ea1ng Wi-Fi kh\u00f4ng b\u1ea3o m\u1eadt ho\u1eb7c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef v\u1eadt l\u00fd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tw-target-text\"><span id=\"Cac_trang_va_tin_nhan_lua_dao\">C\u00e1c trang v\u00e0 tin nh\u1eafn l\u1eeba \u0111\u1ea3o<\/span><\/h3>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a vi\u1ec7c x\u00e2m nh\u1eadp d\u1eef li\u1ec7u l\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o (phishing). Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh c\u1eafp th\u00f4ng tin \u0111\u0103ng nh\u1eadp. N\u00f3 \u0111\u00e3 t\u0103ng 61% trong n\u0103m 2022. V\u00e0 t\u0103ng 50% trong s\u1ed1 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u1eafm v\u00e0o thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/p>\n\n\n\n<p>Phishing bao g\u1ed3m l\u1eeba ng\u01b0\u1eddi d\u00f9ng nh\u1ea5p v\u00e0o m\u1ed9t li\u00ean k\u1ebft \u0111\u1ed9c h\u1ea1i, t\u1ea3i xu\u1ed1ng t\u1ec7p \u0111\u00ednh k\u00e8m ho\u1eb7c chia s\u1ebb th\u00f4ng tin c\u00e1 nh\u00e2n. C\u00e1c \u0111\u1ecbnh d\u1ea1ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m c\u00e1c trang web l\u1eeba \u0111\u1ea3o v\u00e0 c\u00e1c email \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/google-search-console-phan-tich-giam-luong-truy-cap.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Google Search Console: Ph\u00e2n t\u00edch gi\u1ea3m l\u01b0\u1ee3ng truy c\u1eadp<\/em><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tw-target-text\"><span id=\"Cac_ung_dung_va_trang_web_tra_hinh\">C\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 trang web tr\u00e1 h\u00ecnh<\/span><\/h3>\n\n\n\n<p>C\u00e1c virus m\u00e1y t\u00ednh c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e2y lan th\u00f4ng qua n\u1ed9i dung c\u00f3 v\u1ebb v\u00f4 h\u1ea1i. M\u1ed9t k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 qu\u1ea3ng c\u00e1o m\u1ed9t tr\u00f2 ch\u01a1i, phim mi\u1ec5n ph\u00ed, ho\u1eb7c m\u1ed9t \u1ee9ng d\u1ee5ng ho\u1eb7c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ed5 bi\u1ebfn. Ng\u01b0\u1eddi d\u00f9ng t\u1ea3i xu\u1ed1ng n\u1ed9i dung c\u0169ng kh\u00f4ng bi\u1ebft r\u1eb1ng h\u1ecd \u0111ang c\u00e0i \u0111\u1eb7t m\u1ed9t virus.<\/p>\n\n\n\n<p>M\u1ed9t lo\u1ea1i ph\u1ea7n m\u1ec1m gi\u1ea3 m\u1ea1o \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m l\u00e0 scareware. N\u00f3 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n nhi\u1ec5m virus gi\u1ea3 m\u1ea1o nh\u01b0 ph\u1ea7n m\u1ec1m di\u1ec7t virus. D\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a scareware l\u00e0 m\u1ed9t c\u1eeda s\u1ed5 b\u1eadt l\u00ean c\u1ea3nh b\u00e1o ng\u01b0\u1eddi d\u00f9ng v\u1ec1 m\u1ed9t m\u1ed1i \u0111e d\u1ecda an ninh s\u1eafp x\u1ea3y ra. Scareware \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1eadn d\u1ee5ng s\u1ef1 ho\u1ea3ng lo\u1ea1n khi ngh\u0129 v\u1ec1 vi\u1ec7c b\u1ecb nhi\u1ec5m virus m\u00e1y t\u00ednh. Ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u &#8220;nh\u1ea5p v\u00e0o \u0111\u00e2y&#8221; ho\u1eb7c mua m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ec3 &#8220;s\u1eeda ch\u1eefa&#8221; thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tw-target-text\"><span id=\"o_USB\">\u1ed5 USB<\/span><\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"300\" height=\"168\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/download-2.jpeg\" alt=\"\" class=\"wp-image-9272\"\/><\/figure><\/div>\n\n\n<p>Ph\u01b0\u01a1ng ti\u1ec7n v\u1eadt l\u00fd c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e2y lan virus. M\u1ed9t k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t virus tr\u00ean m\u1ed9t \u1ed5 \u0111\u0129a USB v\u00e0 b\u1ecf n\u00f3 trong m\u1ed9t qu\u00e1n c\u00e0 ph\u00ea \u0111\u1ec3 ai \u0111\u00f3 c\u1eafm v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>K\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng c\u00e1c k\u00eanh k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 l\u00e2y lan virus nhi\u1ec1u h\u01a1n l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd. C\u1ea3 hai \u0111\u1ec1u nguy hi\u1ec3m. Nh\u01b0ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p k\u1ef9 thu\u1eadt s\u1ed1 th\u01b0\u1eddng hi\u1ec7u qu\u1ea3 h\u01a1n trong vi\u1ec7c l\u00e2y lan virus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"tw-target-text\"><span id=\"Mang_Wi-Fi_khong_an_toan\">M\u1ea1ng Wi-Fi kh\u00f4ng an to\u00e0n<\/span><\/h3>\n\n\n\n<p>M\u1ea1ng Wi-Fi c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e2y lan virus m\u00e1y t\u00ednh. Ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch virus ng\u01b0\u1eddi \u0111\u01b0\u1ee3c l\u00e2y lan qua kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n<p>M\u1ea1ng Wi-Fi \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 k\u00e9m v\u00e0 b\u1ecb hacker truy c\u1eadp c\u00f3 th\u1ec3 ph\u00e1t t\u00e1n virus \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c tr\u00ean m\u1ea1ng. M\u1ecdi th\u1ee9 \u0111\u1ec1u d\u1ec5 b\u1ecb khai th\u00e1c, k\u1ec3 c\u1ea3 router.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ng Wi-Fi c\u1ee7a m\u00ecnh. Ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e3 h\u00f3a v\u00e0 c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3 cho router. Ngo\u00e0i ra, t\u1eaft b\u1ea5t k\u1ef3 t\u00ednh n\u0103ng qu\u1ea3n l\u00fd m\u1ea1ng t\u1eeb xa n\u00e0o. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m cho vi\u1ec7c khai th\u00e1c d\u1ec5 d\u00e0ng h\u01a1n cho hacker.<\/p>\n\n\n\n<p>H\u01a1n th\u1ebf n\u1eefa, k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t m\u1ea1ng ri\u00eang \u1ea3o (VPN) \u0111\u1ec3 th\u00f4ng qua k\u1ebft n\u1ed1i ri\u00eang t\u01b0 v\u00e0 an to\u00e0n h\u01a1n. T\u1ed1t nh\u1ea5t h\u1ebft, tr\u00e1nh s\u1eed d\u1ee5ng m\u1ea1ng Wi-Fi kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt m\u1ed7i khi c\u00f3 th\u1ec3. N\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ea1ng c\u1ee7a nh\u00e0 m\u1ea1ng di \u0111\u1ed9ng c\u1ee7a b\u1ea1n tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng ho\u1eb7c s\u1eed d\u1ee5ng \u0111i\u1ec3m ph\u00e1t s\u00f3ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"800\" height=\"450\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/hinh-mo-ta-virus-may-tinh-2.jpg\" alt=\"\" class=\"wp-image-9273\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/hinh-mo-ta-virus-may-tinh-2.jpg 800w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/hinh-mo-ta-virus-may-tinh-2-300x169.jpg 300w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/hinh-mo-ta-virus-may-tinh-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"6_loai_virus_may_tinh\">6 lo\u1ea1i <a href=\"http:\/\/idconline.vn\/solution-data-security\" target=\"_blank\" rel=\"noreferrer noopener\">virus<\/a> m\u00e1y t\u00ednh<\/span><\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi \u0111\u00e3 nghe nhi\u1ec1u thu\u1eadt ng\u1eef nh\u01b0 ransomware, malware hay spyware. Ch\u00fang m\u00f4 t\u1ea3 m\u1ed9t lo\u1ea1t c\u00e1c lo\u1ea1i virus m\u00e1y t\u00ednh. Nhi\u1ec1u lo\u1ea1i virus n\u00e0y thu\u1ed9c m\u1ed9t trong s\u00e1u danh m\u1ee5c. \u0110i\u1ec1u \u0111\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1ch th\u1ef1c thi tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n: \u0111\u1ecbnh c\u01b0 (resident), macro, boot sector, polymorphic, overwrite ho\u1eb7c rootkit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"1_virus_thuong_truResident_virus\">1. virus th\u01b0\u1eddng tr\u00fa(Resident virus)<\/span><\/h3>\n\n\n\n<p>C\u00e1c virus resident khai th\u00e1c RAM c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ec3 g\u1ed1c v\u00e0o m\u00e1y t\u00ednh. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t virus c\u1ee7a n\u1ea1n nh\u00e2n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n m\u00e3 \u0111\u1ed9c.<\/p>\n\n\n\n<p>\u0110\u1ec3 v\u01b0\u1ee3t qua \u0111i\u1ec1u n\u00e0y, c\u00e1c hacker l\u1eadp tr\u00ecnh virus resident \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c phi\u00ean b\u1ea3n c\u1ee7a ch\u00ednh n\u00f3 trong c\u00e1c t\u1ec7p b\u1ed9 nh\u1edb c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Nh\u01b0 v\u1eady, n\u00f3 v\u1eabn c\u00f3 th\u1ec3 ch\u1ea1y ngay c\u1ea3 khi phi\u00ean b\u1ea3n ban \u0111\u1ea7u b\u1ecb ph\u00e1t hi\u1ec7n v\u00e0 x\u00f3a b\u1ecf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"2_Virus_vi_mo_Macro_virus\">2. Virus v\u0129 m\u00f4 (Macro virus)<\/span><\/h3>\n\n\n\n<p>M\u1ed9t lo\u1ea1i virus macro ho\u1eb7c virus scripting khai th\u00e1c macro. \u0110\u00f3 l\u00e0 m\u1ed9t l\u1ec7nh \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u00e3 ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef c\u1ee7a \u1ee9ng d\u1ee5ng. V\u00ed d\u1ee5 bao g\u1ed3m c\u00e1c l\u1ec7nh, ph\u00edm t\u1eaft ho\u1eb7c ph\u00edm t\u1eaft b\u00e0n ph\u00edm c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp \u0111i\u1ec1u khi\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p>K\u1ebb t\u1ea5n c\u00f4ng \u1ea9n virus macro trong c\u00e1c t\u1ec7p nh\u01b0 t\u00e0i li\u1ec7u Microsoft Word ho\u1eb7c PDF. Sau khi t\u1ea3i xu\u1ed1ng v\u00e0 m\u1edf, t\u1ec7p ch\u00e8n m\u00e3 \u0111\u1ed9c v\u00e0o macro h\u1ee3p l\u1ec7 trong \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. M\u00e3 \u0111\u1ed9c s\u1ebd ch\u1ea1y m\u1ed7i khi \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng macro \u0111\u00f3.<\/p>\n\n\n\n<p>Virus macro c\u00f3 th\u1ec3 x\u00f3a ho\u1eb7c l\u00e0m h\u1ecfng c\u00e1c t\u1ec7p v\u00e0 ch\u00e8n th\u00eam ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i nguy hi\u1ec3m h\u01a1n. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng r\u1ea5t gi\u1ed1ng v\u1edbi ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i Trojan. Th\u1eadm ch\u00ed ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n ph\u1ed1i n\u00f3.<\/p>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/muon-chinh-phuc-linh-vuc-tri-tue-nhan-tao-ai-hay-hoc-python.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Mu\u1ed1n chinh ph\u1ee5c l\u0129nh v\u1ef1c tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI), h\u00e3y h\u1ecdc Python<\/em><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"3_Virus_khu_vuc_khoi_dong_Boot_sector_virus\">3. Virus khu v\u1ef1c kh\u1edfi \u0111\u1ed9ng (Boot sector virus)<\/span><\/h3>\n\n\n\n<p>Virus kh\u1ed1i kh\u1edfi \u0111\u1ed9ng nh\u1eafm v\u00e0o b\u1ed9 nh\u1edb kh\u1edfi \u0111\u1ed9ng ch\u00ednh (MBR) c\u1ee7a thi\u1ebft b\u1ecb. X\u00f3a ho\u1eb7c x\u00e2m nh\u1eadp v\u00e0o d\u1eef li\u1ec7u n\u00e0y s\u1ebd khi\u1ebfn \u1ed5 \u0111\u0129a c\u1ee9ng c\u1ee7a thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>Virus kh\u1ed1i kh\u1edfi \u0111\u1ed9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y tr\u00ean c\u00e1c \u1ed5 USB \u0111\u1ed9c h\u1ea1i. H\u1ea7u h\u1ebft c\u00e1c \u1ed5 c\u1ee9ng PC hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i virus kh\u1ed1i kh\u1edfi \u0111\u1ed9ng. Nh\u01b0ng ng\u01b0\u1eddi d\u00f9ng v\u1eabn n\u00ean c\u1ea9n th\u1eadn. Nh\u1eefng virus n\u00e0y ch\u1ea1y tr\u00ean c\u00e1c sector d\u1eef li\u1ec7u c\u1ee7a \u1ed5 \u0111\u0129a c\u1ee9ng m\u1edf \u0111\u1ea7u khi m\u00e1y t\u00ednh kh\u1edfi \u0111\u1ed9ng l\u00ean. M\u1ed9t khi b\u1ecb nhi\u1ec5m virus, h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 b\u1eadt m\u00e1y t\u00ednh l\u00ean m\u00e0 kh\u00f4ng cho virus th\u1ef1c thi.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"720\" height=\"720\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/thietbiiot-1642585410522959175593-720x720.jpg\" alt=\"\" class=\"wp-image-9274\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/thietbiiot-1642585410522959175593-720x720.jpg 720w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/thietbiiot-1642585410522959175593-300x300.jpg 300w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/thietbiiot-1642585410522959175593-150x150.jpg 150w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/thietbiiot-1642585410522959175593-768x768.jpg 768w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/thietbiiot-1642585410522959175593.jpg 1000w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span id=\"4_Virus_da_hinh_Polymorphic_virus\">4. Virus \u0111a h\u00ecnh (Polymorphic virus)<\/span><\/h3>\n\n\n\n<p>Virut polymorphic l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i virus kh\u00f3 b\u1eaft nh\u1ea5t. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng vi\u1ebft l\u1ea1i ch\u00ednh m\u00ecnh nhi\u1ec1u l\u1ea7n \u0111\u1ec3 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t virus kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n ch\u00fang. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i ch\u1eef k\u00fd ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c quy tr\u00ecnh gi\u1ea3i m\u00e3 c\u1ee7a ch\u00fang. Do \u0111\u00f3 d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t virus c\u00f3 th\u1ec3 nh\u1ea7m t\u01b0\u1edfng r\u1eb1ng virus \u0111\u00e3 b\u1ecb ti\u00eau di\u1ec7t khi th\u1ef1c t\u1ebf l\u00e0 virus ch\u1ec9 c\u00f3 ch\u1eef k\u00fd m\u1edbi.<\/p>\n\n\n\n<p>Virut polymorphic c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng trong kho\u1ea3ng th\u1eddi gian t\u1eeb 10 ph\u00fat. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed9c h\u1ea1i ho\u1eb7c ransomware l\u1edbn h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"5_Virus_ghi_de_Overwrite_virus\">5. Virus ghi \u0111\u00e8 (Overwrite virus)<\/span><\/h3>\n\n\n\n<p>Overwrite viruses ho\u1eb7c file infector l\u00e0 lo\u1ea1i virus ph\u00e1 h\u1ee7y d\u1eef li\u1ec7u tr\u00ean c\u00e1c t\u1ec7p c\u1ee7a n\u1ea1n nh\u00e2n b\u1eb1ng c\u00e1ch ghi \u0111\u00e8 n\u00f3 v\u1edbi th\u00f4ng tin c\u1ee7a virus. Nh\u1eefng virus n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn th\u00f4ng qua c\u00e1c t\u1ea3i xu\u1ed1ng \u0111\u1ed9c h\u1ea1i ho\u1eb7c ph\u1ea7n m\u1ec1m gi\u1ea3 m\u1ea1o tr\u00ean m\u1ea1ng. Sau khi t\u1ea3i xu\u1ed1ng, ch\u00fang \u0111\u01b0\u1ee3c th\u1ef1c thi khi ng\u01b0\u1eddi d\u00f9ng m\u1edf t\u1ec7p b\u1ecb nhi\u1ec5m. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 bu\u1ed9c m\u00e1y t\u00ednh truy\u1ec1n nhi\u1ec5m virus cho c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/p>\n\n\n\n<p>Overwrite viruses ph\u1ed5 bi\u1ebfn h\u01a1n v\u1edbi m\u1ed9t s\u1ed1 t\u1ec7p h\u01a1n c\u00e1c t\u1ec7p kh\u00e1c. Ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c t\u1ec7p c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng .exe ho\u1eb7c .com. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n qua c\u00e1c t\u1ec7p \u0111\u00ednh k\u00e8m email \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/jdk-21-co-gi-nhung-cap-nhat-gi-moi-lich-ra-mat.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>JDK 21 C\u00f3 G\u00ec Nh\u1eefng C\u1eadp Nh\u1eadt G\u00ec M\u1edbi ? L\u1ecbch Ra M\u1eaft<\/em><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"6_Rootkit_virus\">6. Rootkit virus<\/span><\/h3>\n\n\n\n<p>Virus rootkit c\u00e0i \u0111\u1eb7t m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh tr\u00ean m\u00e1y t\u00ednh c\u1ee7a n\u1ea1n nh\u00e2n, cho ph\u00e9p hacker ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u00e1nh ph\u00e1t hi\u1ec7n b\u1edfi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh antivirus. V\u00ec ch\u00fang c\u00e0i \u0111\u1eb7t \u1edf c\u00e1c c\u1ea5p \u0111\u1ed9 s\u00e2u nh\u1ea5t c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh (OS).<\/p>\n\n\n\n<p>Hacker c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng virus rootkit \u0111\u1ec3 thao t\u00fang thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n. H\u1ecd c\u00f3 th\u1ec3 x\u00f3a ho\u1eb7c c\u00e0i \u0111\u1eb7t c\u00e1c t\u1ec7p, \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u v\u00e0 th\u00f4ng tin c\u00e1 nh\u00e2n ho\u1eb7c l\u00e0m cho m\u00e1y t\u00ednh ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 cho ph\u00e9p c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u00ecnh th\u00e0nh botnet cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n (DDoS).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"586\" height=\"311\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/586_tincongnghe2.jpg\" alt=\"\" class=\"wp-image-9276\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/586_tincongnghe2.jpg 586w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/586_tincongnghe2-300x159.jpg 300w\" sizes=\"(max-width: 586px) 100vw, 586px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Cach_phong_chong_virus_may_tinh\">C\u00e1ch <a href=\"https:\/\/idconline.vn\/solution-data-security\" target=\"_blank\" rel=\"noreferrer noopener\">ph\u00f2ng ch\u1ed1ng virus<\/a> m\u00e1y t\u00ednh<\/span><\/h2>\n\n\n\n<p>M\u1eb7c d\u00f9 kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0o \u0111\u1ea3m b\u1ea3o 100% ng\u0103n ch\u1eb7n virus. Nh\u01b0ng ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 b\u01b0\u1edbc \u0111\u1ec3 ng\u0103n ch\u1eb7n thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd b\u1ecb nhi\u1ec5m virus. Tr\u01b0\u1edbc h\u1ebft, lu\u00f4n lu\u00f4n l\u00e0 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m di\u1ec7t virus \u0111\u00e1ng tin c\u1eady v\u00e0 c\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi mua v\u00e0 c\u00e0i \u0111\u1eb7t b\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m di\u1ec7t virus n\u00e0o, h\u00e3y t\u00ecm hi\u1ec3u k\u1ef9. H\u00e3y nh\u1edb, c\u00e1c hacker \u0111\u00f4i khi s\u1eed d\u1ee5ng scareware gi\u1ea3 m\u1ea1o th\u00e0nh ph\u1ea7n m\u1ec1m di\u1ec7t virus \u0111\u1ec3 \u0111\u01b0a virus v\u00e0o c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n.<\/p>\n\n\n\n<p>Kh\u00f4ng bao gi\u1edd m\u1edf m\u1ed9t li\u00ean k\u1ebft ho\u1eb7c t\u1ea3i xu\u1ed1ng m\u1ed9t t\u1eadp tin \u0111\u00ednh k\u00e8m t\u1eeb m\u1ed9t email \u0111\u00e1ng ng\u1edd ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. T\u01b0\u01a1ng t\u1ef1, h\u00e3y c\u1ea9n th\u1eadn khi t\u1ea3i xu\u1ed1ng ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c t\u1ec7p tr\u1ef1c tuy\u1ebfn. \u0110\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u00e1c trang web chia s\u1ebb c\u00f4ng c\u1ed9ng nh\u01b0 di\u1ec5n \u0111\u00e0n. Tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef b\u00ean ngo\u00e0i tr\u1eeb khi b\u1ea1n ho\u00e0n to\u00e0n ch\u1eafc ch\u1eafn v\u1ec1 ngu\u1ed3n g\u1ed1c c\u1ee7a ch\u00fang. V\u00e0 h\u00e3y c\u1ea9n th\u1eadn khi truy c\u1eadp c\u00e1c trang web kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. B\u1ea1n th\u01b0\u1eddng c\u00f3 th\u1ec3 nh\u1eadn ra v\u00ec ch\u00fang b\u1eaft \u0111\u1ea7u b\u1eb1ng http: \/ thay v\u00ec https (ch\u1eef &#8220;s&#8221; \u0111\u1ee9ng cho &#8220;an to\u00e0n&#8221;).<\/p>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>:&nbsp; <a href=\"https:\/\/idconline.vn\/blog\/hoc-lap-trinh-nguoi-moi-bat-dau-can-lam-gi.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>H\u1ecdc l\u1eadp tr\u00ecnh: Ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u c\u1ea7n l\u00e0m g\u00ec ?<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"tw-target-text\"><span id=\"Diet_virus_may_tinh\">Di\u1ec7t virus m\u00e1y t\u00ednh<\/span><\/h2>\n\n\n\n<p>Th\u1eadt kh\u00f4ng may, vi\u1ec7c lo\u1ea1i b\u1ecf virus kh\u1ecfi m\u00e1y t\u00ednh th\u01b0\u1eddng kh\u00f4ng d\u1ec5 d\u00e0ng. Ng\u01b0\u1eddi d\u00f9ng n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch t\u1ea3i xu\u1ed1ng m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t virus \u0111\u00e1ng tin c\u1eady v\u00e0 h\u1ee3p ph\u00e1p. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 qu\u00e9t thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt n\u00e0o. M\u1ed9t s\u1ed1 ch\u01b0\u01a1ng tr\u00ecnh c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n\n<p>V\u1edbi c\u00e1c lo\u1ea1i virus kh\u00f3 di\u1ec7t, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i kh\u00f4i ph\u1ee5c ho\u1eb7c c\u00e0i \u0111\u1eb7t l\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a m\u00ecnh \u0111\u1ec3 lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng s\u1ebd x\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u kh\u00f4ng ph\u1ea3i l\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh tr\u00ean m\u00e1y t\u00ednh. Kh\u00f4ng sao ch\u00e9p th\u00f4ng tin v\u00e0o \u1ed5 \u0111\u0129a c\u1ee9ng ngo\u00e0i n\u1ebfu n\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c sao l\u01b0u. V\u00ec \u0111i\u1ec1u n\u00e0y s\u1ebd kh\u1ea3 n\u0103ng t\u00e1i l\u00e2y nhi\u1ec5m virus.<\/p>\n\n\n\n<p>B\u1ea1n c\u0169ng n\u00ean b\u00e1o c\u00e1o s\u1ef1 c\u1ed1 cho c\u00e1c c\u01a1 quan ch\u1ee9c n\u0103ng. \u0110i\u1ec1u n\u00e0y gi\u00fap nh\u00e2n vi\u00ean ch\u1ee9c n\u0103ng gi\u00e1m s\u00e1t t\u1ed9i ph\u1ea1m m\u1ea1ng v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c b\u1ecb nhi\u1ec5m virus. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi nhi\u1ec1u t\u1ed5 ch\u1ee9c kh\u00e1c nhau, bao g\u1ed3m B\u1ed9 T\u01b0 ph\u00e1p v\u00e0 \u1ee6y ban Th\u01b0\u01a1ng m\u1ea1i Li\u00ean bang.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"661\" height=\"387\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/trong-nam-2016-nguoi-dung-viet-thiet-hai-lon-vi-virus-may-tinh.jpg\" alt=\"\" class=\"wp-image-9277\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/trong-nam-2016-nguoi-dung-viet-thiet-hai-lon-vi-virus-may-tinh.jpg 661w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/trong-nam-2016-nguoi-dung-viet-thiet-hai-lon-vi-virus-may-tinh-300x176.jpg 300w\" sizes=\"(max-width: 661px) 100vw, 661px\" \/><\/figure><\/div>\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/meo-de-tao-va-chinh-sua-phong-cach-van-ban-trong-blender.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>M\u1eb9o \u0111\u1ec3 t\u1ea1o v\u00e0 ch\u1ec9nh s\u1eeda v\u0103n b\u1ea3n c\u00f3 phong c\u00e1ch trong Blender<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"tw-target-text\"><span id=\"Ket_luan\">K\u1ebft lu\u1eadn<\/span><\/h2>\n\n\n\n<p>C\u00e1c virus m\u00e1y t\u00ednh v\u1eabn ti\u1ebfp t\u1ee5c t\u1ed3n t\u1ea1i v\u00e0 ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p v\u00e0 nguy hi\u1ec3m h\u01a1n bao gi\u1edd h\u1ebft. B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n l\u00e0 nh\u1eadn bi\u1ebft c\u00e1c d\u1ea5u hi\u1ec7u c\u1ee7a c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 trang web \u0111\u1ed9c h\u1ea1i. Ng\u0103n ch\u1eb7n s\u1ef1 l\u00e2y lan c\u1ee7a virus l\u00e0 t\u1ea5t c\u1ea3 v\u1ec1 vi\u1ec7c hi\u1ec3u c\u00e1c chi\u1ebfn thu\u1eadt m\u00e0 c\u00e1c hacker s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e2y nhi\u1ec5m c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y. Ng\u01b0\u1eddi d\u00f9ng n\u00ean tu\u00e2n th\u1ee7 c\u00e1c trang web \u0111\u01b0\u1ee3c tin c\u1eady tr\u00ean m\u1ea1ng v\u00e0 c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m ch\u1ed1ng virus c\u1ee7a h\u1ecd \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb v\u00e0 d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t \u0111\u1ed1i t\u00e1c tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n, h\u00e3y \u0111\u1ebfn v\u1edbi <strong><em><a href=\"http:\/\/idconline.vn\" target=\"_blank\" rel=\"noreferrer noopener\">IDC Online<\/a><\/em><\/strong>. IDC Online cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt d\u1eef li\u1ec7u v\u00e0 \u0111\u00e1m m\u00e2y cho doanh nghi\u1ec7p. Bao g\u1ed3m c\u1ea3 c\u00e1c gi\u1ea3i ph\u00e1p tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c. V\u1edbi \u0111\u1ed9i ng\u0169 chuy\u00ean gia gi\u00e0u kinh nghi\u1ec7m, IDC Online \u0111em l\u1ea1i cho b\u1ea1n nh\u1eefng tr\u1ea3i nghi\u1ec7m tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n<p>H\u00e3y truy c\u1eadp v\u00e0o trang web <a href=\"https:\/\/idconline.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/idconline.vn\/<\/a> c\u1ee7a IDC Online \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft. Ho\u1eb7c n\u1ebfu b\u1ea1n c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec c\u1ea7n gi\u1ea3i \u0111\u00e1p h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i qua <strong>hotline<\/strong>: 19006452. IDC Online lu\u00f4n \u1edf \u0111\u00e2y \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-2\">\n<div class=\"wp-block-column is-layout-flow\" style=\"flex-basis:100%\">\n<!--more-->\n\n\n<ul class=\"wp-block-latest-posts__list wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/vps-la-gi-top-7-vps-tot-nhat-nen-mua-2024\/\">VPS l\u00e0 g\u00ec? Top 7 VPS t\u1ed1t nh\u1ea5t n\u00ean mua 2024<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/vps-server-va-nhung-kien-thuc-can-biet-ve-vps\/\">VPS Server v\u00e0 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft!<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/nhung-dieu-ban-can-biet-ve-he-dieu-hanh-linux\/\">Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/nhung-noi-cho-thue-may-chu-vps-chat-luong\/\">Nh\u1eefng n\u01a1i cho thu\u00ea m\u00e1y ch\u1ee7 VPS ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/gioi-thieu-ve-vps-va-4-dich-vu-vps-free-viet-nam-ban-nen-tham-khao\/\">Gi\u1edbi thi\u1ec7u v\u1ec1 VPS v\u00e0 4 d\u1ecbch v\u1ee5 d\u00f9ng th\u1eed VPS Vi\u1ec7t Nam b\u1ea1n n\u00ean tham kh\u1ea3o<\/a><\/li>\n<\/ul><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee5c ti\u00eau c\u1ee7a b\u1ea5t k\u1ef3 virus m\u00e1y t\u00ednh n\u00e0o l\u00e0 x\u00e2m nh\u1eadp v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n v\u1edbi m\u00e3 l\u1ec7nh g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 cho h\u1ec7 th\u1ed1ng v\u00e0 ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Virus c\u00f3 th\u1ec3 thay \u0111\u1ed5i ho\u1eb7c x\u00f3a c\u00e1c t\u1ec7p tin, g\u00e2y ra s\u1ef1 c\u1ed1, cho ph\u00e9p hacker truy c\u1eadp, \u0111\u00e1nh c\u1eafp d\u1eef [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":9270,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2949],"tags":[2979,2981,25,21,37,640,2982,2951,2980,28],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Virus m\u00e1y t\u00ednh l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a, c\u00e1c lo\u1ea1i v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng<\/title>\n<meta name=\"description\" content=\"M\u1ee5c ti\u00eau c\u1ee7a b\u1ea5t k\u1ef3 virus m\u00e1y t\u00ednh n\u00e0o l\u00e0 x\u00e2m nh\u1eadp v\u00e0o thi\u1ebft b\u1ecb c\u1ee7a n\u1ea1n nh\u00e2n v\u1edbi m\u00e3 l\u1ec7nh g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 cho h\u1ec7 th\u1ed1ng v\u00e0 ng\u01b0\u1eddi s\u1eed d\u1ee5ng...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/idconline.vn\/blog\/virus-may-tinh-la-gi-dinh-nghia-cac-loai-va-cach-chung-hoat-dong\/\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"IDC Online Content\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"17 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Virus m\u00e1y t\u00ednh l\u00e0 g\u00ec? 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