{"id":2698,"date":"2013-10-28T10:14:26","date_gmt":"2013-10-28T10:14:26","guid":{"rendered":"http:\/\/tapchicntt.com\/2013\/10\/28\/ransomware-tai-sao-goi-no-la-ma-doc-nguy-hiem-va-cach-phong-tranh-the-nao\/"},"modified":"2013-10-28T10:18:03","modified_gmt":"2013-10-28T10:18:03","slug":"ransomware-tai-sao-goi-no-la-ma-doc-nguy-hiem-va-cach-phong-tranh-the-nao","status":"publish","type":"post","link":"https:\/\/tapchicntt.com\/ransomware-tai-sao-goi-no-la-ma-doc-nguy-hiem-va-cach-phong-tranh-the-nao\/","title":{"rendered":"Ransomware – T\u1ea1i sao g\u1ecdi n\u00f3 l\u00e0 m\u00e3 \u0111\u1ed9c nguy hi\u1ec3m v\u00e0 c\u00e1ch ph\u00f2ng tr\u00e1nh th\u1ebf n\u00e0o?"},"content":{"rendered":"

Ransomware l\u00e0 lo\u1ea1i malware s\u1eed d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1eadt m\u00e3 \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u thu\u1ed9c v\u1ec1 m\u1ed9t c\u00e1 nh\u00e2n v\u00e0 \u0111\u00f2i ti\u1ec1n chu\u1ed9c th\u00ec m\u1edbi kh\u00f4i ph\u1ee5c l\u1ea1i.<\/p>\n

Ransomware l\u00e0 lo\u1ea1i malware s\u1eed d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1eadt m\u00e3 \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u thu\u1ed9c v\u1ec1 m\u1ed9t c\u00e1 nh\u00e2n v\u00e0 \u0111\u00f2i ti\u1ec1n chu\u1ed9c th\u00ec m\u1edbi kh\u00f4i ph\u1ee5c l\u1ea1i. M\u1ed9t trong nh\u1eefng \u0111\u1ea1i di\u1ec7n n\u1ed5i ti\u1ebfng nh\u1ea5t c\u1ee7a lo\u1ea1i malware n\u00e0y c\u00f3 t\u00ean l\u00e0 CryptoLocker, n\u00f3 s\u1ebd ti\u1ebfn h\u00e0nh \u201cb\u1eaft c\u00f3c\u201d d\u1eef li\u1ec7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng l\u00e0m con tin v\u00e0 \u0111\u00f2i h\u1ecd chi tr\u1ea3 h\u00e0ng tr\u0103m USD \u0111\u1ec3 \u201cchu\u1ed9c\u201d l\u1ea1i ch\u00fang.<\/p>\n

\"Ransomware<\/p>\n

C\u00e1ch th\u1ee9c l\u00e0m vi\u1ec7c c\u1ee7a n\u00f3 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c lo\u1ea1i malware kh\u00e1c, Ransomware x\u00e2m nh\u1eadp v\u00e0o m\u00e1y t\u00ednh ng\u01b0\u1eddi d\u00f9ng th\u00f4ng qua c\u00e1c d\u1eef li\u1ec7u \u0111\u00ednh k\u00e8m t\u1eeb email, ph\u1ea7n m\u1ec1m t\u1ea3i t\u1eeb Internet hay ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1eeb c\u00e1c website m\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 duy\u1ec7t qua.<\/p>\n

Sau khi x\u00e2m nh\u1eadp v\u00e0o m\u00e1y t\u00ednh, n\u00f3 s\u1ebd ti\u1ebfn h\u00e0nh m\u00e3 h\u00f3a d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n nh\u01b0ng kh\u00f4ng y\u00eau c\u1ea7u b\u1ea1n \u0111\u01b0a ra ti\u1ec1n chu\u1ed9c ngay. M\u00e0 n\u00f3 s\u1ebd \u0111\u01b0a ra cho b\u1ea1n danh s\u00e1ch c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u1ec3 b\u1ebb kh\u00f3a d\u1eef li\u1ec7u khi b\u1ea1n ti\u1ebfn h\u00e0nh t\u00ecm ki\u1ebfm tr\u00ean m\u1ea1ng. T\u1ea5t nhi\u00ean c\u00e1c ph\u1ea7n m\u1ec1m n\u00e0y \u0111\u1ec1u c\u00f3 ph\u00ed.<\/p>\n

\"Ransomware<\/p>\n

Nhi\u1ec1u Ransomware \u0111\u01b0\u1ee3c ng\u1ee5y trang kh\u00e1 t\u1ed1t. \u0110\u00f4i khi n\u00f3 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “scareware” b\u1edfi ch\u00fang s\u1ebd \u0111\u01b0a ra nh\u1eefng c\u1ea3nh b\u00e1o gi\u1ea3 cho ng\u01b0\u1eddi d\u00f9ng nh\u01b0 “M\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111\u00e3 b\u1ecb nhi\u1ec5m malware, h\u00e3y mua ph\u1ea7n m\u1ec1m [xxx] \u0111\u1ec3 ti\u1ebfn h\u00e0nh lo\u1ea1i b\u1ecf malware n\u00e0y” ho\u1eb7c “M\u00e1y t\u00ednh c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea3i v\u1ec1 c\u00e1c d\u1eef li\u1ec7u vi ph\u1ea1m ph\u00e1p lu\u1eadt, h\u00e3y n\u1ed9p ph\u1ea1t \u0111\u1ec3 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh”.<\/p>\n

M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p kh\u00e1c, Ransomware s\u1ebd tr\u1ef1c ti\u1ebfp n\u00eau l\u00ean v\u1ea5n \u0111\u1ec1 cho b\u1ea1n. Ch\u00fang s\u1ebd th\u00e2m nh\u1eadp s\u00e2u v\u00e0o b\u00ean trong h\u1ec7 th\u1ed1ng c\u1ee7a m\u00e1y r\u1ed3i hi\u1ec3n th\u1ecb m\u1ed9t th\u00f4ng b\u00e1o r\u1eb1ng ch\u00fang s\u1ebd ch\u1ec9 bi\u1ebfn m\u1ea5t khi b\u1ea1n tr\u1ea3 ti\u1ec1n cho t\u00e1c gi\u1ea3 c\u1ee7a Ransomware \u0111\u00f3. Ki\u1ec3u ph\u1ea7n m\u1ec1m \u0111\u1ed9c n\u00e0y c\u00f3 th\u1ec3 b\u1ecb tr\u1ecb b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 g\u1ee1 b\u1ecf m\u00e3 \u0111\u1ed9c ho\u1eb7c c\u00e0i l\u1ea1i Windows.<\/p>\n

\"Ransomware<\/p>\n

M\u1ed9t trong nh\u1eefng v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh nh\u1ea5t l\u00e0 CryptoLocker. Ph\u1ea7n m\u1ec1m n\u00e0y s\u1ebd kh\u00f3a v\u00e0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n ngay khi ch\u00fang x\u00e2m nh\u1eadp \u0111\u01b0\u1ee3c v\u00e0o h\u1ec7 th\u1ed1ng. Sau \u0111\u00f3 ch\u00fang s\u1ebd kh\u00f4ng cho ph\u00e9p b\u1ea1n ti\u1ebfp c\u1eadn c\u00e1c d\u1eef li\u1ec7u n\u00e0y n\u1ebfu kh\u00f4ng c\u00f3 kh\u00f3a m\u00e3 h\u00f3a. Ti\u1ebfp \u0111\u00f3 CryptoLocker s\u1ebd hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o t\u00ecnh h\u00ecnh cho b\u1ea1n v\u00e0 \u0111\u01b0a ra cho b\u1ea1n v\u00e0i ng\u00e0y \u0111\u1ec3 suy ngh\u0129. N\u1ebfu b\u1ea1n ch\u1ea5p nh\u1eadn tr\u1ea3 300 USD, nh\u1eefng t\u00ean t\u1ed9i ph\u1ea1m s\u1ebd \u0111\u01b0a cho b\u1ea1n kh\u00f3a m\u00e3 h\u00f3a \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i l\u1ea1i d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh. CryptoLocker h\u01b0\u1edbng d\u1eabn ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n cho n\u1ea1n nh\u00e2n r\u1ea5t t\u1ec9 m\u1ec9, v\u00e0 gi\u1eef \u0111\u00fang l\u1eddi h\u1ee9a c\u1ee7a m\u00ecnh sau khi n\u1ea1n nh\u00e2n ch\u1ecbu \u201cchi\u201d<\/p>\n

L\u00e0m sao \u0111\u1ec3 t\u1ef1 b\u1ea3o v\u1ec7 v\u00e0 ph\u00f2ng tr\u00e1nh Ransomware?<\/strong><\/p>\n

Sao l\u01b0u d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ec3 tr\u00e1nh b\u1ecb c\u01b0\u1edbp d\u1eef li\u1ec7u t\u1eeb Ransomware. B\u00ean c\u1ea1nh \u0111\u00f3 b\u1ea1n c\u0169ng c\u1ea7n ph\u1ea3i trang b\u1ecb th\u00eam cho m\u00e1y t\u00ednh m\u1ed9t ph\u1ea7n m\u1ec1m b\u1ea3o v\u1ec7 v\u00e0 ch\u1ed1ng m\u00e3 \u0111\u1ed9c t\u1ed1t nh\u01b0 Avast!, AVG.. hay cao c\u1ea5p h\u01a1n nh\u01b0 Norton, Kaspersky. B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1n c\u0169ng n\u00ean tr\u00e1nh t\u1ea3i hay c\u00e0i \u0111\u1eb7t c\u00e1c t\u1eadp tin \u0111\u00e1ng ng\u1edd c\u00f3 \u0111\u1ecbnh d\u1ea1ng .EXE. V\u00e0 t\u1ed1t nh\u1ea5t l\u00e0 h\u00e3y t\u1eadp cho m\u00ecnh c\u00f3 th\u00f3i quen c\u1ea3nh gi\u00e1c v\u1edbi c\u00e1c t\u1eadp tin \u0111\u01b0\u1ee3c chia s\u1ebb \u1edf c\u00e1c ngu\u1ed3n cung c\u1ea5p hay ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng an to\u00e0n v\u00e0 \u201cch\u00ednh ch\u1ee7\u201d.<\/p>\n

\"Ransomware<\/p>\n

Khi b\u1ecb nhi\u1ec5m CryptoLocker, b\u1ea1n n\u00ean b\u00ecnh t\u0129nh v\u00e0 d\u00f9ng ShadowExplorer<\/a> \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i d\u1eef li\u1ec7u b\u1ecb kh\u00f3a. N\u1ebfu c\u00f3 sao l\u01b0u tr\u01b0\u1edbc \u0111\u00f3, b\u1ea1n h\u00e3y ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t l\u1ea1i m\u00e1y t\u00ednh \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n malware n\u00e0y.<\/p>\n

Hi v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd c\u00f3 \u00edch cho b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ransomware l\u00e0 lo\u1ea1i malware s\u1eed d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1eadt m\u00e3 \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u thu\u1ed9c v\u1ec1 m\u1ed9t c\u00e1 nh\u00e2n v\u00e0 \u0111\u00f2i ti\u1ec1n chu\u1ed9c th\u00ec m\u1edbi kh\u00f4i ph\u1ee5c l\u1ea1i.<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[180],"class_list":["post-2698","post","type-post","status-publish","format-standard","hentry","category-bao-mat","tag-bao-mat"],"views":427,"_links":{"self":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/2698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/comments?post=2698"}],"version-history":[{"count":0,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/2698\/revisions"}],"wp:attachment":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media?parent=2698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/categories?post=2698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/tags?post=2698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}