{"id":2018,"date":"2017-05-15T21:43:09","date_gmt":"2017-05-15T14:43:09","guid":{"rendered":"https:\/\/engisv.info\/?p=2018"},"modified":"2017-05-15T21:43:09","modified_gmt":"2017-05-15T14:43:09","slug":"ransomware-ma-doc-ma-hoa-du-lieu","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=2018","title":{"rendered":"Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u"},"content":{"rendered":"<p><strong>Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/strong><\/p>\n<p>M\u00e3 h\u00f3a d\u1eef li\u1ec7u l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 nh\u1eb1m b\u1ea3o v\u1ec7 c\u00e1c d\u1eef li\u1ec7u quan tr\u1ecdng, nh\u1ea1y c\u1ea3m, ri\u00eang t\u01b0&#8230; tr\u00e1nh vi\u1ec7c truy c\u1eadp tr\u00e1i ph\u00e9p, nh\u01b0ng m\u1eb7t tr\u00e1i c\u1ee7a n\u00f3 l\u00e0 \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebb x\u1ea5u l\u1ee3i d\u1ee5ng \u0111\u1ec3 t\u1ed1ng ti\u1ec1n ng\u01b0\u1eddi d\u00f9ng. Ransomware, lo\u1ea1i m\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a t\u1eadp tin s\u1eed d\u1ee5ng Public key, d\u1eabn \u0111\u1ebfn tr\u00ecnh tr\u1ea1ng kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i c\u00e1c t\u1eadp tin \u0111\u00e3 b\u1ecb m\u00e3 h\u00f3a. Tr\u01b0\u1edbc kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 l\u00e2y lan r\u1ed9ng r\u00e3i c\u1ee7a lo\u1ea1i m\u00e3 \u0111\u1ed9c n\u00e0y.\u00a0\u0110\u00e2y l\u00e0 c\u00e1ch g\u1ecdi t\u00ean c\u1ee7a d\u1ea1ng m\u00e3 \u0111\u1ed9c m\u1edbi nh\u1ea5t v\u00e0 c\u00f3 t\u00ednh nguy hi\u1ec3m cao \u0111\u1ed9 \u0111\u1ed1i v\u1edbi nh\u00e2n vi\u00ean v\u0103n ph\u00f2ng, b\u1edfi n\u00f3 s\u1ebd\u00a0m\u00e3 h\u00f3a to\u00e0n b\u1ed9 c\u00e1c file word, excel\u00a0v\u00e0 c\u00e1c t\u1eadp tin kh\u00e1c tr\u00ean m\u00e1y t\u00ednh b\u1ecb nhi\u1ec5m l\u00e0m cho n\u1ea1n nh\u00e2n kh\u00f4ng th\u1ec3 m\u1edf \u0111\u01b0\u1ee3c file.\u00a0\u0110\u1ec3 gi\u1ea3i m\u00e3 b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 kho\u00e1 b\u00ed m\u1eadt (private key) m\u00e0 ch\u1ec9 c\u00f3 k\u1ebb ph\u00e1t t\u00e1n m\u1edbi c\u00f3 v\u00e0 n\u1ea1n nh\u00e2n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o tr\u00ean desktop \u0111\u00f2i ti\u1ec1n chu\u1ed9c n\u1ebfu mu\u1ed1n gi\u1ea3i m\u00e3 file.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2019 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/05\/Ransomware.jpg\" alt=\"\" width=\"634\" height=\"312\" \/><\/p>\n<p><strong>C\u00e1ch ph\u00e1t t\u00e1n v\u00e0 khuy\u1ebfn ngh\u1ecb ph\u00f2ng ng\u1eeba m\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u.<\/strong><\/p>\n<ul>\n<li>Kh\u00f4ng m\u1edf c\u00e1c file \u0111\u00ednh k\u00e8m t\u1eeb nh\u1eefng email ch\u01b0a r\u00f5 danh t\u00ednh, x\u00e1c \u0111\u1ecbnh r\u00f5 ng\u01b0\u1eddi g\u1edfi email \u0111\u00f3 c\u00f3 \u0111\u00e1ng tin c\u1eady hay kh\u00f4ng. C\u00e1c file \u0111\u00ednh k\u00e8m ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 l\u00e0 c\u00e1c file gi\u1ea3 m\u1ea1o c\u00e1c file th\u00f4ng th\u01b0\u1eddng nh\u01b0 word, excel, h\u00ecnh \u1ea3nh,pdf&#8230; \u0111\u1ec3 l\u1eeba ng\u01b0\u1eddi d\u00f9ng k\u00edch ho\u1ea1t.<\/li>\n<li>Kh\u00f4ng truy c\u1eadp v\u00e0o \u0111\u01b0\u1eddng d\u1ea9n, c\u00e1c trang web, t\u1ea3i c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c tr\u00ecnh duy\u1ec7t hay ph\u1ea7n m\u1ec1m di\u1ec7t virus c\u1ea3nh b\u00e1o kh\u00f4ng an to\u00e0n.<\/li>\n<li>Ki\u1ec3m tra c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i d\u1eef li\u1ec7u nh\u01b0 \u1ed5 \u0111\u1ec9a USB, th\u1ebb nh\u1edb&#8230; k\u1ebft n\u1ed1i v\u00e0o m\u00e1y t\u00ednh, c\u00e1c k\u1ebft n\u1ed1i th\u00f4ng qua c\u00e1c c\u1ed5ng truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<li>Lu\u00f4n \u0111\u1ea3m b\u1ea3o h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m \u1ee9ng d\u1ee5ng c\u00f3 b\u1ea3n quy\u1ec1n v\u00e0 lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt c\u00e1c b\u1ea3n v\u00e1 l\u1ed7i. Th\u00f4ng th\u01b0\u1eddng, ch\u00ednh c\u00e1c l\u1ed7i b\u1ea3o m\u1eadt s\u1ebd l\u00e0m cho c\u00e1c m\u00e3 \u0111\u1ed9c v\u00e0 virus ph\u00e1t t\u00e1n nhanh h\u01a1n th\u00f4ng qua vi\u1ec7c l\u00e2y nhi\u1ec5m ch\u00e9o, nguy hi\u1ec3m h\u01a1n.<\/li>\n<li>C\u00e0i \u0111\u1eb7t \u00a0ph\u1ea7n m\u1ec1m di\u1ec7t virus \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean v\u00e0 kh\u00f4ng t\u1eaft ch\u01b0\u01a1ng tr\u00ecnh di\u1ec7t virus\u00a0trong m\u1ecdi th\u1eddi \u0111i\u1ec3m.<\/li>\n<li>Sao l\u01b0u d\u1eef li\u1ec7u v\u00e0 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb r\u1eddi. C\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n c\u1ee7a d\u1eef li\u1ec7u quan tr\u1ecdng l\u00e0 c\u00f3 m\u1ed9t l\u1ecbch tr\u00ecnh sao l\u01b0u ph\u00f9 h\u1ee3p. Sao l\u01b0u ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u01b0\u1eddng xuy\u00ean v\u00e0 h\u01a1n th\u1ebf n\u1eefa b\u1ea3n sao c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb l\u01b0u tr\u1eef ch\u1ec9 c\u00f3 th\u1ec3 truy c\u1eadp trong qu\u00e1 tr\u00ecnh sao l\u01b0u.<\/li>\n<li>C\u1ea5u h\u00ecnh h\u1ea1n ch\u1ebf truy c\u1eadp \u0111\u1ebfn c\u00e1c th\u01b0 m\u1ee5c chia s\u1ebb trong m\u1ea1ng.<\/li>\n<li>B\u1eadt t\u00ednh n\u0103ng System Protection (System Restore) cho t\u1ea5t c\u1ea3 c\u00e1c \u1ed5 \u0111\u0129a.<\/li>\n<li>N\u1ebfu l\u00e0 doanh nghi\u1ec7p, h\u00e3y d\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 t\u01b0\u1eddng l\u1eeda t\u00edch h\u1ee3p ki\u1ec3m so\u00e1t antivirus \u0111\u1ec3 h\u1ea1n ch\u1ebf s\u1ef1 x\u00e2m nh\u1eadp virus v\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i th\u00f4ng qua c\u00e1c k\u1ebft n\u1ed1i v\u00e0 c\u00e1c truy c\u1eadp kh\u00f4ng an to\u00e0n th\u00f4ng qua m\u00f4i tr\u01b0\u1eddng internet.<\/li>\n<\/ul>\n<p><strong>C\u00e1c c\u00f4ng c\u1ee5 h\u1ed5 tr\u1ee3 ph\u00e1t hi\u1ec7n m\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.avg.com\/gb-en\/ransomware-decryption-tools\" target=\"_blank\" rel=\"noopener noreferrer\">Free Ransomware Decryption Tools<\/a><\/li>\n<li><a href=\"https:\/\/esupport.trendmicro.com\/en-us\/home\/pages\/technical-support\/1105975.aspx\" target=\"_blank\" rel=\"noopener noreferrer\">Trend Micro\u2122 Ransomware Screen Unlocker Tool<\/a><\/li>\n<li><a href=\"https:\/\/www.bitdefender.com\/solutions\/anti-ransomware-tool.html\" target=\"_blank\" rel=\"noopener noreferrer\">Anti-Ransomware Tool<\/a><\/li>\n<li><a href=\"https:\/\/go.kaspersky.com\/Anti-ransomware-tool.html\" target=\"_blank\" rel=\"noopener noreferrer\">Kaspersky anti-ransomware tool<\/a><\/li>\n<li><a href=\"https:\/\/noransom.kaspersky.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Kaspersky Lab decryptors<\/a><\/li>\n<li><a href=\"https:\/\/blog.malwarebytes.com\/malwarebytes-news\/2016\/01\/introducing-the-malwarebytes-anti-ransomware-beta\/\" target=\"_blank\" rel=\"noopener noreferrer\">Malwarebytes anti-ransomware (formerly CryptoMonitor)<\/a><\/li>\n<li><a href=\"https:\/\/www.bkav.com.vn\/tin_tuc_noi_bat\/-\/chi_tiet\/442644\/bkav-phat-hanh-cong-cu-mien-phi-kiem-tra-wannacry\" target=\"_blank\" rel=\"noopener noreferrer\">Bkav Check WannaCry<\/a><\/li>\n<\/ul>\n<p>Tuy c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3, nh\u01b0ng vi\u1ec7c ph\u00f2ng tr\u00e1nh v\u00e0 sao l\u01b0u \u00a0v\u1eabn l\u00e0 vi\u1ec7c quan tr\u1ecdng nh\u1ea5t, trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 b\u1ea5t k\u1ef3 lo\u1ea1i\u00a0Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u m\u1edbi th\u00ec c\u00e1c ph\u1ea7n m\u1ec1m c\u0169 c\u00f3 th\u1ec3 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng m\u00e0 ph\u1ea3i ch\u1edf \u0111\u1ee3i c\u1eadp nh\u1eadt.<\/p>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p x\u00f3a s\u1ea1ch d\u1eef li\u1ec7u trong \u1ed5 c\u1ee9ng v\u00e0 d\u00f9ng c\u00e1c c\u00f4ng c\u1ee5 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u \u0111\u1ec3 kh\u00f4i ph\u1ee5c c\u00e1c d\u1eef li\u1ec7u \u1edf m\u00f3c tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m b\u1ecb nhi\u1ec5m\u00a0Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u, nh\u01b0ng c\u00e1ch n\u00e0y c\u1ef1c k\u1ef3 m\u1ea1o hi\u1ec3m.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u l\u00e0 g\u00ec? M\u00e3 h\u00f3a d\u1eef li\u1ec7u l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 nh\u1eb1m b\u1ea3o v\u1ec7 c\u00e1c d\u1eef li\u1ec7u quan tr\u1ecdng, nh\u1ea1y c\u1ea3m, ri\u00eang t\u01b0&#8230; tr\u00e1nh vi\u1ec7c truy c\u1eadp tr\u00e1i ph\u00e9p, nh\u01b0ng m\u1eb7t tr\u00e1i c\u1ee7a n\u00f3 l\u00e0 \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebb x\u1ea5u l\u1ee3i d\u1ee5ng \u0111\u1ec3 t\u1ed1ng ti\u1ec1n ng\u01b0\u1eddi d\u00f9ng. Ransomware, lo\u1ea1i m\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a t\u1eadp tin s\u1eed d\u1ee5ng Public key, d\u1eabn \u0111\u1ebfn tr\u00ecnh tr\u1ea1ng kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i c\u00e1c t\u1eadp tin \u0111\u00e3 b\u1ecb m\u00e3 h\u00f3a. Tr\u01b0\u1edbc kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 l\u00e2y lan r\u1ed9ng r\u00e3i c\u1ee7a&hellip;<\/p>\n","protected":false},"author":2,"featured_media":2019,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[18,6],"tags":[27],"class_list":["post-2018","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat","category-infotech","tag-antivirus"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u - EngISV<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engisv.info\/?p=2018\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u - EngISV\" \/>\n<meta property=\"og:description\" content=\"Ransomware \u2013 M\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u l\u00e0 g\u00ec? M\u00e3 h\u00f3a d\u1eef li\u1ec7u l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 nh\u1eb1m b\u1ea3o v\u1ec7 c\u00e1c d\u1eef li\u1ec7u quan tr\u1ecdng, nh\u1ea1y c\u1ea3m, ri\u00eang t\u01b0&#8230; tr\u00e1nh vi\u1ec7c truy c\u1eadp tr\u00e1i ph\u00e9p, nh\u01b0ng m\u1eb7t tr\u00e1i c\u1ee7a n\u00f3 l\u00e0 \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebb x\u1ea5u l\u1ee3i d\u1ee5ng \u0111\u1ec3 t\u1ed1ng ti\u1ec1n ng\u01b0\u1eddi d\u00f9ng. Ransomware, lo\u1ea1i m\u00e3 \u0111\u1ed9c m\u00e3 h\u00f3a t\u1eadp tin s\u1eed d\u1ee5ng Public key, d\u1eabn \u0111\u1ebfn tr\u00ecnh tr\u1ea1ng kh\u00f4ng th\u1ec3 ph\u1ee5c h\u1ed3i c\u00e1c t\u1eadp tin \u0111\u00e3 b\u1ecb m\u00e3 h\u00f3a. 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