{"id":23921,"date":"2023-12-08T08:53:00","date_gmt":"2023-12-08T01:53:00","guid":{"rendered":"https:\/\/cdcangiang.vn\/?p=23921"},"modified":"2023-12-08T08:53:00","modified_gmt":"2023-12-08T01:53:00","slug":"nhung-dieu-can-biet-ve-ma-doc-ransomware","status":"publish","type":"post","link":"https:\/\/cdcangiang.vn\/index.php\/2023\/12\/08\/nhung-dieu-can-biet-ve-ma-doc-ransomware\/","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 m\u00e3 \u0111\u1ed9c Ransomware"},"content":{"rendered":"

Trong th\u1eddi gian qua, m\u00e3 \u0111\u1ed9c m\u00e3 ho\u00e1 t\u00e0i li\u1ec7u Ransomware hay m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, s\u1eed d\u1ee5ng m\u00e3 h\u00f3a \u0111\u00e1nh c\u1eafp th\u00f4ng tin c\u1ee7a n\u1ea1n nh\u00e2n \u0111\u1ec3 \u0111\u00f2i ti\u1ec1n chu\u1ed9c. Khi Ransomware nhi\u1ec5m v\u00e0o m\u00e1y t\u00ednh, t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u s\u1ebd b\u1ecb m\u00e3 h\u00f3a, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 m\u1edf \u0111\u01b0\u1ee3c c\u00e1c t\u1eadp tin, c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c \u1ee9ng d\u1ee5ng. Trong qu\u00ed IV\/2023, B\u1ec7nh vi\u1ec7n \u0111a khoa Trung t\u00e2m An Giang \u0111\u00e3 b\u1ecb m\u00e3 \u0111\u1ed9c n\u00e0y t\u1ea5n c\u00f4ng 02 l\u1ea7n, g\u00e2y t\u00ea li\u1ec7t h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd kh\u00e1m ch\u1eefa b\u1ec7nh l\u00e0m \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn c\u00f4ng t\u00e1c kh\u00e1m, ch\u1eefa b\u1ec7nh ngo\u1ea1i tr\u00fa cho ng\u01b0\u1eddi d\u00e2n trong \u0111\u1ecba b\u00e0n t\u1ec9nh.<\/p>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e2y lan ch\u1ee7 y\u1ebfu c\u1ee7a m\u00e3 \u0111\u1ed9c m\u00e3 ho\u00e1 t\u00e0i li\u1ec7u:<\/strong><\/p>\n

    \n
  1. G\u1eedi t\u1eadp tin \u0111\u00ednh k\u00e8m th\u01b0 \u0111i\u1ec7n t\u1eed: khi ng\u01b0\u1eddi d\u00f9ng m\u1edf t\u1eadp tin th\u00ec m\u00e3 \u0111\u1ed9c s\u1ebd t\u1ef1 \u0111\u1ed9ng l\u00e2y nhi\u1ec5m v\u00e0o m\u00e1y t\u00ednh ng\u01b0\u1eddi d\u00f9ng.<\/li>\n
  2. G\u1eedi th\u01b0 \u0111i\u1ec7n t\u1eed ho\u1eb7c tin nh\u1eafn \u0111i\u1ec7n t\u1eed: c\u00f3 ch\u1ee9a \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn m\u00e3 \u0111\u1ed9c v\u00e0 y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng t\u1ea3i v\u1ec1 v\u00e0 c\u00e0i \u0111\u1eb7t.<\/li>\n
  3. Th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef ngo\u00e0i nh\u01b0: USB, \u1ed5 c\u1ee9ng di \u0111\u1ed9ng.<\/li>\n
  4. C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c, sao ch\u00e9p d\u1eef li\u1ec7u t\u1eeb m\u00e1y b\u1ecb nhi\u1ec5m m\u00e3 \u0111\u1ed9c.<\/li>\n<\/ol>\n

    D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft khi b\u1ecb nhi\u1ec5m m\u00e3 \u0111\u1ed9c:<\/strong><\/p>\n

    C\u00e1c t\u00e0i li\u1ec7u, v\u0103n b\u1ea3n s\u1ebd b\u1ecb thay \u0111\u1ed5i n\u1ed9i dung, b\u1ecb m\u00e3 ho\u00e1 v\u00e0 b\u1ecb \u0111\u1ed5i t\u00ean ph\u1ea7n m\u1edf r\u1ed9ng, ph\u1ed5 bi\u1ebfn l\u00e0 c\u00e1c t\u1eadp tin c\u00f3 \u0111\u1ecbnh d\u1ea1ng: .doc, .docx, .pdf, .xls, .xlsx, .jpg, .txt, .ppt, .pptx,…<\/p>\n

    M\u1ed9t s\u1ed1 lo\u1ea1i c\u00f2n kho\u00e1 m\u00e1y t\u00ednh kh\u00f4ng cho s\u1eed d\u1ee5ng v\u00e0 \u0111\u00f2i ti\u1ec1n chu\u1ed9c.<\/p>\n

    C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba m\u00e3 \u0111\u1ed9c Ransomware:<\/strong><\/p>\n

    Nh\u1eb1m h\u1ea1n ch\u1ebf t\u1ed1i \u0111a kh\u1ea3 n\u0103ng b\u1ecb nhi\u1ec5m m\u00e3 \u0111\u1ed9c, Trung t\u00e2m \u1ee8ng c\u1ee9u kh\u1ea9n c\u1ea5p m\u00e1y t\u00ednh Vi\u1ec7t Nam (VNCERT) khuy\u1ebfn c\u00e1o th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p sau:<\/p>\n

    Th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat, m\u00e3 \u0111\u1ed9c: Kaspersky, Symantec, Avast, AVG, MSE, Bkav, CMC.<\/p>\n

    C\u1ea3nh gi\u00e1c v\u1edbi c\u00e1c t\u1eadp tin \u0111\u00ednh k\u00e8m, c\u00e1c \u0111\u01b0\u1eddng li\u00ean k\u1ebft \u1ea9n \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn th\u01b0 \u0111i\u1ec7n t\u1eed, k\u1ec3 c\u1ea3 ng\u01b0\u1eddi g\u1eedi t\u1eeb trong n\u1ed9i b\u1ed9. Kh\u00f4ng c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c.<\/p>\n

    C\u00e1c t\u00e0i kho\u1ea3n c\u00e1 nh\u00e2n (mail, v\u0103n ph\u00f2ng \u0111i\u1ec7n t\u1eed, c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c) ph\u1ea3i \u0111\u1eb7t m\u1eadt kh\u1ea9u c\u00f3 nhi\u1ec1u h\u01a1n 8 k\u00fd t\u1ef1 bao g\u1ed3m: ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t.<\/p>\n

    \u0110\u1ed1i v\u1edbi m\u00e1y t\u00ednh c\u00f3 d\u1eef li\u1ec7u quan tr\u1ecdng: \u0111\u1ecbnh k\u1ef3 c\u1ea7n sao ch\u00e9p d\u1eef li\u1ec7u tr\u00ean m\u00e1y t\u00ednh v\u00e0o USB, \u1ed5 c\u1ee9ng di \u0111\u1ed9ng, l\u01b0u tr\u1eef tr\u00ean \u0111\u00e1m m\u00e2y (google drive, one drive, \u2026). Vi\u1ec7c sao ch\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u00e1y t\u00ednh c\u00f3 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat, m\u00e3 \u0111\u1ed9c.<\/p>\n

    \u0110\u1ed1i v\u1edbi qu\u1ea3n tr\u1ecb c\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng tin, qu\u1ea3n tr\u1ecb ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd ph\u1ea3i th\u01b0\u1eddng xuy\u00ean sao l\u01b0u c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0o USB, \u1ed5 c\u1ee9ng di \u0111\u1ed9ng, l\u01b0u tr\u1eef tr\u00ean \u0111\u00e1m m\u00e2y.<\/p>\n

    H\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng USB, \u1ed5 c\u1ee9ng di \u0111\u1ed9ng c\u00f3 d\u1eef li\u1ec7u quan tr\u1ecdng tr\u00ean c\u00e1c m\u00e1y t\u00ednh l\u1ea1.<\/p>\n

    C\u00e1ch x\u1eed l\u00fd khi ph\u00e1t hi\u1ec7n l\u00e2y nhi\u1ec5m m\u00e3 \u0111\u1ed9c:<\/strong><\/p>\n

    C\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c sau, c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i cho d\u1eef li\u1ec7u tr\u00ean m\u00e1y t\u00ednh v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u b\u1ecb m\u00e3 ho\u00e1:<\/p>\n

    Nhanh ch\u00f3ng t\u1eaft m\u00e1y t\u00ednh b\u1eb1ng c\u00e1ch ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n

    Kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng m\u00e0 ph\u1ea3i kh\u1edfi \u0111\u1ed9ng t\u1eeb h\u1ec7 \u0111i\u1ec1u h\u00e0nh s\u1ea1ch kh\u00e1c (khuy\u1ebfn ngh\u1ecb h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux) nh\u01b0 t\u1eeb \u1ed5 \u0111\u0129a CD, USB sau \u0111\u00f3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra c\u00e1c t\u1eadp tin d\u1eef li\u1ec7u v\u00e0 sao l\u01b0u c\u00e1c d\u1eef li\u1ec7u ch\u01b0a b\u1ecb m\u00e3 ho\u00e1.<\/p>\n

    C\u00e1c t\u1eadp tin \u0111\u00e3 b\u1ecb m\u00e3 ho\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3 \u0111\u1ec3 gi\u1ea3i m\u00e3, tuy nhi\u00ean trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u nh\u01b0 ITK, EaseUs, R-STUDIO \u0111\u1ec3 kh\u00f4i ph\u1ee5c c\u00e1c t\u1eadp tin nguy\u00ean b\u1ea3n \u0111\u00e3 b\u1ecb xo\u00e1.<\/p>\n

    \u0110\u1ed3ng th\u1eddi ph\u1ea3i nhanh ch\u00f3ng c\u00e0i \u0111\u1eb7t l\u1ea1i to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng, c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m di\u1ec7t vi-r\u00fat, \u0111\u1ed3ng th\u1eddi thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n t\u1ef1 \u0111\u1ed9ng.<\/p>\n

    N\u1ebfu s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng c\u1ea7n nhanh ch\u00f3ng th\u00f4ng b\u00e1o v\u1ec1 T\u1ed5 C\u00f4ng ngh\u1ec7 th\u00f4ng tin c\u1ee7a \u0111\u01a1n v\u1ecb \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ecbp th\u1eddi.\/.<\/p>\n

    Minh H\u1ea3i – <\/em>Khoa TT-GDSK, TT.KSBT An Giang<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

    Trong th\u1eddi gian qua, m\u00e3 \u0111\u1ed9c m\u00e3 ho\u00e1 t\u00e0i li\u1ec7u Ransomware hay m\u00e3 \u0111\u1ed9c t\u1ed1ng ti\u1ec1n l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, s\u1eed d\u1ee5ng m\u00e3 h\u00f3a \u0111\u00e1nh c\u1eafp th\u00f4ng tin c\u1ee7a n\u1ea1n nh\u00e2n \u0111\u1ec3 \u0111\u00f2i ti\u1ec1n chu\u1ed9c. Khi Ransomware nhi\u1ec5m v\u00e0o m\u00e1y t\u00ednh, t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u s\u1ebd b\u1ecb m\u00e3 h\u00f3a, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 m\u1edf […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"limit_modified_date":"","last_modified_date":"","footnotes":""},"categories":[311],"tags":[],"class_list":["post-23921","post","type-post","status-publish","format-standard","hentry","category-tin-cds"],"_links":{"self":[{"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/posts\/23921","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/comments?post=23921"}],"version-history":[{"count":1,"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/posts\/23921\/revisions"}],"predecessor-version":[{"id":23922,"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/posts\/23921\/revisions\/23922"}],"wp:attachment":[{"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/media?parent=23921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/categories?post=23921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cdcangiang.vn\/index.php\/wp-json\/wp\/v2\/tags?post=23921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}