{"id":7225,"date":"2023-07-28T15:30:19","date_gmt":"2023-07-28T08:30:19","guid":{"rendered":"https:\/\/vacif.com\/?p=7225"},"modified":"2023-07-28T15:30:19","modified_gmt":"2023-07-28T08:30:19","slug":"phuong-phap-xoa-bo-ransomware-hieu-qua","status":"publish","type":"post","link":"https:\/\/vacif.com\/en\/phuong-phap-xoa-bo-ransomware-hieu-qua\/","title":{"rendered":"PH\u01af\u01a0NG PH\u00c1P X\u00d3A B\u1ece RANSOMWARE HI\u1ec6U QU\u1ea2"},"content":{"rendered":"\n

T\u1ed5ng quan :<\/strong><\/p>\n\n\n\n

Ransomware l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda nguy hi\u1ec3m nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c v\u00e0 c\u00e1 nh\u00e2n. C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i n\u1eb7ng n\u1ec1, kh\u00f4ng ch\u1ec9 v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn danh ti\u1ebfng v\u00e0 uy t\u00edn c\u1ee7a m\u1ed9t doanh nghi\u1ec7p. \u0110\u1ec3 b\u1ea3o v\u1ec7 an to\u00e0n th\u00f4ng tin v\u00e0 d\u1eef li\u1ec7u, ng\u0103n ch\u1eb7n cu\u1ed9c t\u1ea5n c\u00f4ng ransomware l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

M\u1ee5c l\u1ee5c :<\/strong><\/p>\n\n\n\n

I. Nguy\u00ean nh\u00e2n nhi\u1ec5m Ransomware<\/strong><\/p>\n\n\n\n

II. Lo\u1ea1i b\u1ecf Ransomware nh\u01b0 th\u1ebf n\u00e0o khi b\u1ecb nhi\u1ec5m<\/strong><\/p>\n\n\n\n

N\u1ed9i dung b\u00e0i vi\u1ebft :<\/strong><\/p>\n\n\n\n

I. Nguy\u00ean nh\u00e2n nhi\u1ec5m Ransomware<\/strong><\/p>\n\n\n\n

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware c\u00f3 th\u1ec3 t\u1ea1o ra l\u1ee3i nhu\u1eadn l\u1edbn cho c\u00e1c t\u00ean t\u1ed9i ph\u1ea1m m\u1ea1ng v\u00e0 c\u0169ng kh\u00e1 d\u1ec5 th\u1ef1c hi\u1ec7n. V\u00ec v\u1eady, nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng n\u00e0y \u0111\u00e3 ph\u00e1t tri\u1ec3n nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 tri\u1ec3n khai m\u00e3 \u0111\u1ed9c n\u00e0y v\u00e0o m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u01a1 ch\u1ebf ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 tri\u1ec3n khai ransomware: <\/p>\n\n\n\n

1. T\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o (Phishing): <\/strong> <\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

T\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o th\u00f4ng qua email, m\u1ea1ng x\u00e3 h\u1ed9i ho\u1eb7c c\u00e1c n\u1ec1n t\u1ea3ng kh\u00e1c l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 tri\u1ec3n khai m\u00e3 \u0111\u1ed9c ransomware. C\u00e1c k\u1ebb t\u1ea5n c\u00f4ng t\u1ea1o ra c\u00e1c th\u00f4ng \u0111i\u1ec7p l\u1eeba \u0111\u1ea3o v\u1edbi n\u1ed9i dung \u0111\u1ed9c h\u1ea1i, th\u01b0\u1eddng gi\u1ea3 m\u1ea1o th\u00e0nh c\u00e1c t\u1ed5 ch\u1ee9c, ng\u00e2n h\u00e0ng, ho\u1eb7c d\u1ecbch v\u1ee5 quen thu\u1ed9c \u0111\u1ec3 t\u1ea1o ra s\u1ef1 tin t\u01b0\u1edfng c\u1ee7a ng\u01b0\u1eddi nh\u1eadn. Nh\u1eefng email ho\u1eb7c th\u00f4ng \u0111i\u1ec7p l\u1eeba \u0111\u1ea3o n\u00e0y th\u01b0\u1eddng c\u00f3 li\u00ean k\u1ebft \u0111\u1ed9c h\u1ea1i ho\u1eb7c t\u1ec7p \u0111\u00ednh k\u00e8m m\u00e0 khi ng\u01b0\u1eddi d\u00f9ng b\u1ea5m v\u00e0o, m\u00e1y t\u00ednh c\u1ee7a h\u1ecd s\u1ebd b\u1ecb nhi\u1ec5m ransomware m\u00e0 kh\u00f4ng h\u1ec1 hay bi\u1ebft. \u0110\u1ec3 ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c minh ngu\u1ed3n g\u1ed1c c\u1ee7a email v\u00e0 tr\u00e1nh b\u1ea5m v\u00e0o c\u00e1c li\u00ean k\u1ebft ho\u1eb7c m\u1edf t\u1ec7p \u0111\u00ednh k\u00e8m t\u1eeb c\u00e1c ngu\u1ed3n kh\u00f4ng r\u00f5.<\/p>\n\n\n\n

2. <\/strong> T\u1ea3i xu\u1ed1ng ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed9c h\u1ea1i (Malicious Downloads):<\/strong><\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

C\u01a1 ch\u1ebf tri\u1ec3n khai ransomware th\u00f4ng qua vi\u1ec7c t\u1ea3i xu\u1ed1ng \u0111\u1ed9c h\u1ea1i tr\u00ean Internet l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 l\u00e2y nhi\u1ec5m m\u00e1y t\u00ednh ng\u01b0\u1eddi d\u00f9ng b\u1eb1ng ransomware. K\u1ebb t\u1ea5n c\u00f4ng th\u01b0\u1eddng s\u1eed d\u1ee5ng trojan – m\u1ed9t lo\u1ea1i m\u00e3 \u0111\u1ed9c gi\u1ea3 m\u1ea1o th\u00e0nh ph\u1ea7n m\u1ec1m h\u1eefu \u00edch ho\u1eb7c \u1ee9ng d\u1ee5ng kh\u00e1c – \u0111\u1ec3 l\u1eeba ng\u01b0\u1eddi d\u00f9ng v\u00e0o t\u1ea3i v\u00e0 c\u00e0i \u0111\u1eb7t t\u1ec7p \u0111\u1ed9c h\u1ea1i. Ngo\u00e0i ra, c\u00e1c t\u1eadp l\u1ec7nh \u0111\u1ed9c h\u1ea1i c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng trong tr\u00ecnh duy\u1ec7t web \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng t\u1ea3i xu\u1ed1ng v\u00e0 ch\u1ea1y m\u00e3 \u0111\u1ed9c khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp c\u00e1c trang web \u0111\u1ed9c h\u1ea1i. \u0110\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi t\u1ea3i xu\u1ed1ng \u0111\u1ed9c h\u1ea1i, ng\u01b0\u1eddi d\u00f9ng n\u00ean lu\u00f4n c\u1eadp nh\u1eadt c\u00e1c ph\u1ea7n m\u1ec1m v\u00e0 tr\u00ecnh duy\u1ec7t c\u1ee7a h\u1ecd, s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt t\u1ed1t, v\u00e0 ch\u1ec9 t\u1ea3i xu\u1ed1ng c\u00e1c t\u1ec7p t\u1eeb ngu\u1ed3n \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n

3.<\/strong> S\u1eed d\u1ee5ng th\u00f4ng tin \u0111\u0103ng nh\u1eadp b\u1ecb r\u00f2 r\u1ec9 (Compromised Credentials):<\/strong> <\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

S\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a l\u00e0m vi\u1ec7c t\u1eeb xa \u0111\u00e3 khi\u1ebfn nhi\u1ec1u c\u00f4ng ty tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p truy c\u1eadp t\u1eeb xa nh\u01b0 m\u1ea1ng ri\u00eang \u1ea3o (VPN) v\u00e0 giao th\u1ee9c Remote Desktop Protocol (RDP). Tuy nhi\u00ean, n\u1ebfu k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 thu th\u1eadp \u0111\u01b0\u1ee3c th\u00f4ng tin \u0111\u0103ng nh\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cho nh\u1eefng h\u1ec7 th\u1ed1ng n\u00e0y th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng th\u1ee9c t\u1ea5n c\u00f4ng nh\u01b0 keyloggers, h\u1ecd c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o m\u1ea1ng d\u01b0\u1edbi t\u01b0 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng h\u1ee3p ph\u00e1p v\u00e0 c\u00e0i \u0111\u1eb7t v\u00e0 ch\u1ea1y m\u00e3 \u0111\u1ed9c ransomware tr\u00ean m\u00e1y t\u00ednh doanh nghi\u1ec7p. \u0110\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c s\u1eed d\u1ee5ng th\u00f4ng tin \u0111\u0103ng nh\u1eadp b\u1ecb x\u00e2m nh\u1eadp, c\u00e1c t\u1ed5 ch\u1ee9c c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh nh\u01b0 s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1, gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng truy c\u1eadp t\u1eeb xa v\u00e0 th\u01b0\u1eddng xuy\u00ean \u0111\u1ed5i m\u1eadt kh\u1ea9u.<\/p>\n\n\n\n

C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i nghi\u00eam tr\u1ecdng cho c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c. Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba nh\u1eb1m ng\u0103n ch\u1eb7n c\u00e1c c\u01a1 ch\u1ebf l\u00e2y nhi\u1ec5m ti\u1ec1m \u1ea9n n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 n\u1ebfu th\u00e0nh c\u00f4ng trong vi\u1ec7c ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

II. Lo\u1ea1i b\u1ecf Ransomware nh\u01b0 th\u1ebf n\u00e0o khi b\u1ecb nhi\u1ec5m<\/strong><\/p>\n\n\n\n

Khi b\u1ecb nhi\u1ec5m ransomware, lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i n\u00e0y l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n v\u00e0 ti\u1ebfp t\u1ee5c m\u00e3 h\u00f3a d\u1eef li\u1ec7u tr\u00ean h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u01b0\u1edbc h\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n \u0111\u1ec3 lo\u1ea1i b\u1ecf ransomware kh\u1ecfi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n

L\u01b0u \u00fd<\/strong>: Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 b\u01b0\u1edbc n\u00e0o \u0111\u1ec3 lo\u1ea1i b\u1ecf ransomware, h\u00e3y sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh m\u1ea5t d\u1eef li\u1ec7u khi c\u00f3 th\u1ec3 ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p quy\u1ebft li\u1ec7t v\u00e0 nguy hi\u1ec3m \u0111\u1ec3 lo\u1ea1i b\u1ecf ransomware.<\/p>\n\n\n\n

1. Isolate and Disconnect: <\/strong><\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

Ng\u1eebng k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng nhi\u1ec5m ransomware v\u1edbi m\u1ea1ng v\u00e0 Internet ngay l\u1eadp t\u1ee9c. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n ransomware kh\u1ecfi lan truy\u1ec1n sang c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c.
Khi ph\u00e1t hi\u1ec7n b\u1ecb nhi\u1ec5m ransomware ho\u1eb7c c\u00f3 nghi ng\u1edd v\u1ec1 vi\u1ec7c h\u1ec7 th\u1ed1ng b\u1ecb t\u1ea5n c\u00f4ng, vi\u1ec7c \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 c\u00f4 l\u1eadp h\u1ec7 th\u1ed1ng b\u1ecb nhi\u1ec5m kh\u1ecfi m\u1ea1ng v\u00e0 ng\u1eaft k\u1ebft n\u1ed1i v\u1edbi Internet. T\u1eaft Wi-Fi ho\u1eb7c c\u00e1p m\u1ea1ng \u0111\u1ec3 c\u00f4 l\u1eadp h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n ransomware kh\u1ecfi ti\u1ebfp t\u1ee5c l\u00e2y lan qua m\u1ea1ng v\u00e0 t\u1ea5n c\u00f4ng c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

2. Identify the Ransomware: <\/strong><\/p>\n\n\n

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\"\"<\/figure>\n<\/div>\n\n\n

C\u1ed1 g\u1eafng x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c lo\u1ea1i ransomware b\u1ea1n \u0111ang b\u1ecb nhi\u1ec5m. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u1ea1n t\u00ecm ki\u1ebfm c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 lo\u1ea1i b\u1ecf ph\u00f9 h\u1ee3p.
X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c lo\u1ea1i ransomware b\u1ea1n \u0111ang g\u1eb7p ph\u1ea3i l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u r\u00f5 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u00ecm c\u00e1ch lo\u1ea1i b\u1ecf n\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

M\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u gi\u00fap b\u1ea1n nh\u1eadn bi\u1ebft lo\u1ea1i ransomware g\u1ed3m:<\/strong><\/p>\n\n\n\n

    \n
  • \u0110\u1ecdc th\u00f4ng b\u00e1o y\u00eau c\u1ea7u ti\u1ec1n chu\u1ed9c v\u00e0 l\u01b0u \u00fd nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng c\u1ee7a n\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111u\u00f4i t\u1ec7p tin b\u1ecb m\u00e3 h\u00f3a ho\u1eb7c nh\u1eefng th\u00f4ng \u0111i\u1ec7p \u0111\u1eb7c bi\u1ec7t.<\/li>\n\n\n\n
  • Tra c\u1ee9u tr\u00ean c\u00e1c ngu\u1ed3n b\u1ea3o m\u1eadt v\u00e0 di\u1ec5n \u0111\u00e0n an ninh m\u1ea1ng \u0111\u1ec3 t\u00ecm c\u00e1c b\u00e1o c\u00e1o v\u1ec1 c\u00e1c lo\u1ea1i ransomware t\u01b0\u01a1ng t\u1ef1.<\/li>\n\n\n\n
  • S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 ph\u00e2n t\u00edch m\u1ed9t m\u1eabu t\u1ec7p tin \u0111\u00e3 b\u1ecb m\u00e3 h\u00f3a \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh lo\u1ea1i ransomware ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n\n\n\n

    3. S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m di\u1ec7t virus v\u00e0 lo\u1ea1i b\u1ecf malware: <\/strong><\/p>\n\n\n

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    \"\"<\/figure>\n<\/div>\n\n\n

    Ch\u1ea1y m\u1ed9t ph\u1ea7n m\u1ec1m di\u1ec7t virus v\u00e0 ph\u1ea7n m\u1ec1m lo\u1ea1i b\u1ecf malware \u0111\u1ec3 qu\u00e9t v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c t\u1ec7p th\u1ef1c thi v\u00e0 m\u00e3 \u0111\u1ed9c h\u1ea1i c\u1ee7a ransomware. C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m di\u1ec7t virus tr\u01b0\u1edbc khi qu\u00e9t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n c\u00e1c bi\u1ebfn th\u1ec3 m\u1edbi nh\u1ea5t c\u1ee7a ransomware.<\/p>\n\n\n\n

    Ch\u1ea1y m\u1ed9t ph\u1ea7n m\u1ec1m di\u1ec7t virus v\u00e0 ph\u1ea7n m\u1ec1m lo\u1ea1i b\u1ecf malware l\u00e0 m\u1ed9t c\u00e1ch quan tr\u1ecdng \u0111\u1ec3 t\u00ecm v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c t\u1ec7p th\u1ef1c thi v\u00e0 m\u00e3 \u0111\u1ed9c h\u1ea1i c\u1ee7a ransomware. C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m di\u1ec7t virus th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 ch\u1ed1ng l\u1ea1i c\u00e1c bi\u1ebfn th\u1ec3 m\u1edbi c\u1ee7a ransomware. N\u1ebfu ph\u1ea7n m\u1ec1m di\u1ec7t virus kh\u00f4ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c lo\u1ea1i ransomware c\u1ee5 th\u1ec3, h\u00e3y ki\u1ec3m tra c\u00e1c ph\u1ea7n m\u1ec1m di\u1ec7t virus kh\u00e1c ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 lo\u1ea1i b\u1ecf malware t\u01b0\u01a1ng th\u00edch kh\u00e1c.<\/p>\n\n\n\n

    M\u1ed9t s\u1ed1 ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nh\u01b0 : Sophos endpoint , Kaspersky , Bitdefender<\/p>\n\n\n\n

    3. Th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng : <\/strong><\/p>\n\n\n\n

    N\u1ebfu ph\u1ea7n m\u1ec1m di\u1ec7t virus kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n ho\u1eb7c lo\u1ea1i b\u1ecf ransomware, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed lo\u1ea1i b\u1ecf th\u1ee7 c\u00f4ng b\u1eb1ng c\u00e1ch tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 cho lo\u1ea1i ransomware b\u1ea1n b\u1ecb nhi\u1ec5m. Tuy nhi\u00ean, h\u00e3y c\u1ea9n th\u1eadn v\u00e0 ch\u1ec9 th\u1ef1c hi\u1ec7n n\u1ebfu b\u1ea1n c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1ch l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c t\u1ec7p th\u1ef1c thi v\u00e0 Registry c\u1ee7a Windows.<\/p>\n\n\n\n

    N\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 k\u1ef9 n\u0103ng k\u1ef9 thu\u1eadt ho\u1eb7c kinh nghi\u1ec7m v\u1ec1 lo\u1ea1i ransomware b\u1ea1n \u0111ang b\u1ecb nhi\u1ec5m, kh\u00f4ng n\u00ean c\u1ed1 g\u1eafng lo\u1ea1i b\u1ecf th\u1ee7 c\u00f4ng m\u1ed9t c\u00e1ch \u0111\u01a1n \u0111\u1ed9c. Vi\u1ec7c thao t\u00e1c kh\u00f4ng c\u1ea9n th\u1eadn c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng h\u1ec7 th\u1ed1ng ho\u1eb7c l\u00e0m cho t\u00ecnh h\u00ecnh tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n.<\/p>\n\n\n\n

    N\u1ebfu b\u1ea1n mu\u1ed1n th\u1eed lo\u1ea1i b\u1ecf ransomware th\u1ee7 c\u00f4ng, h\u00e3y t\u00ecm ki\u1ebfm h\u01b0\u1edbng d\u1eabn t\u1eeb c\u00e1c trang web v\u00e0 di\u1ec5n \u0111\u00e0n an ninh m\u1ea1ng \u0111\u00e1ng tin c\u1eady. Ngo\u00e0i ra, tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 b\u01b0\u1edbc n\u00e0o, h\u00e3y sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n kh\u00f4ng m\u1ea5t d\u1eef li\u1ec7u quan tr\u1ecdng n\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1.<\/p>\n\n\n\n

    4. Kh\u00f4i ph\u1ee5c t\u1eeb b\u1ea3n sao l\u01b0u: <\/strong><\/p>\n\n\n

    \n
    \"\"<\/figure>\n<\/div>\n\n\n

    N\u1ebfu b\u1ea1n \u0111\u00e3 sao l\u01b0u d\u1eef li\u1ec7u tr\u01b0\u1edbc khi b\u1ecb nhi\u1ec5m ransomware, h\u00e3y x\u00f3a ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng b\u1ecb nhi\u1ec5m v\u00e0 kh\u00f4i ph\u1ee5c t\u1eeb b\u1ea3n sao l\u01b0u g\u1ea7n nh\u1ea5t.
    Sao l\u01b0u d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3 l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i d\u1eef li\u1ec7u trong tr\u01b0\u1eddng h\u1ee3p b\u1ecb nhi\u1ec5m ransomware ho\u1eb7c g\u1eb7p s\u1ef1 c\u1ed1 kh\u00e1c. N\u1ebfu b\u1ea1n c\u00f3 b\u1ea3n sao l\u01b0u d\u1eef li\u1ec7u g\u1ea7n nh\u1ea5t tr\u01b0\u1edbc khi b\u1ecb t\u1ea5n c\u00f4ng, h\u00e3y ng\u1eebng s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng b\u1ecb nhi\u1ec5m ngay l\u1eadp t\u1ee9c v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/p>\n\n\n\n

    a. C\u00f4 l\u1eadp h\u1ec7 th\u1ed1ng nhi\u1ec5m<\/strong>: Ng\u1eaft k\u1ebft n\u1ed1i m\u00e1y t\u00ednh b\u1ecb nhi\u1ec5m ransomware kh\u1ecfi m\u1ea1ng v\u00e0 Internet \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c m\u00e3 h\u00f3a d\u1eef li\u1ec7u ti\u1ebfp t\u1ee5c lan truy\u1ec1n.<\/p>\n\n\n\n

    b. Sao l\u01b0u d\u1eef li\u1ec7u m\u1edbi nh\u1ea5t<\/strong>: \u0110\u1ea3m b\u1ea3o b\u1ea1n \u0111\u00e3 sao l\u01b0u to\u00e0n b\u1ed9 d\u1eef li\u1ec7u m\u1edbi nh\u1ea5t c\u1ee7a m\u00ecnh tr\u01b0\u1edbc khi kh\u00f4i ph\u1ee5c l\u1ea1i t\u1eeb b\u1ea3n sao l\u01b0u g\u1ea7n nh\u1ea5t.<\/p>\n\n\n\n

    c. X\u00f3a ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng nhi\u1ec5m<\/strong>: N\u1ebfu b\u1ea1n \u0111\u00e3 sao l\u01b0u \u0111\u1ea7y \u0111\u1ee7 d\u1eef li\u1ec7u, h\u00e3y x\u00f3a ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng b\u1ecb nhi\u1ec5m ransomware \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u00e3 \u0111\u1ed9c h\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m \u0111\u1ecbnh d\u1ea1ng l\u1ea1i \u1ed5 c\u1ee9ng ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 lo\u1ea1i b\u1ecf \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n\n

    d. Kh\u00f4i ph\u1ee5c t\u1eeb b\u1ea3n sao l\u01b0u:<\/strong> Khi h\u1ec7 th\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00f3a s\u1ea1ch, kh\u00f4i ph\u1ee5c l\u1ea1i d\u1eef li\u1ec7u t\u1eeb b\u1ea3n sao l\u01b0u g\u1ea7n nh\u1ea5t. H\u00e3y ch\u1eafc ch\u1eafn r\u1eb1ng b\u1ea1n s\u1eed d\u1ee5ng b\u1ea3n sao l\u01b0u \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 kh\u00f4ng b\u1ecb nhi\u1ec5m ransomware.<\/p>\n\n\n\n

    Kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3: Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 mi\u1ec5n ph\u00ed ho\u1eb7c th\u01b0\u01a1ng m\u1ea1i cho m\u1ed9t s\u1ed1 lo\u1ea1i ransomware. H\u00e3y ki\u1ec3m tra c\u00e1c trang web b\u1ea3o m\u1eadt danh ti\u1ebfng \u0111\u1ec3 xem li\u1ec7u c\u00f3 s\u1eb5n c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 cho lo\u1ea1i ransomware b\u1ea1n b\u1ecb nhi\u1ec5m hay kh\u00f4ng.
    M\u1ed9t s\u1ed1 chuy\u00ean gia b\u1ea3o m\u1eadt v\u00e0 t\u1ed5 ch\u1ee9c an ninh m\u1ea1ng \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 mi\u1ec5n ph\u00ed ho\u1eb7c th\u01b0\u01a1ng m\u1ea1i \u0111\u1ec3 gi\u00fap c\u00e1c n\u1ea1n nh\u00e2n ph\u1ee5c h\u1ed3i d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n tr\u1ea3 ti\u1ec1n chu\u1ed9c. H\u00e3y ki\u1ec3m tra c\u00e1c trang web v\u00e0 di\u1ec5n \u0111\u00e0n b\u1ea3o m\u1eadt danh ti\u1ebfng \u0111\u1ec3 xem li\u1ec7u c\u00f3 s\u1eb5n c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 cho lo\u1ea1i ransomware b\u1ea1n b\u1ecb nhi\u1ec5m hay kh\u00f4ng. N\u1ebfu c\u00f3, h\u00e3y l\u00e0m theo h\u01b0\u1edbng d\u1eabn v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 \u0111\u1ec3 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Tuy nhi\u00ean, c\u0169ng l\u01b0u \u00fd r\u1eb1ng kh\u00f4ng ph\u1ea3i lo\u1ea1i ransomware \u0111\u1ec1u c\u00f3 c\u00f4ng c\u1ee5 gi\u1ea3i m\u00e3 s\u1eb5n c\u00f3. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, vi\u1ec7c s\u1eed d\u1ee5ng b\u1ea3n sao l\u01b0u \u0111\u00e3 sao l\u01b0u tr\u01b0\u1edbc \u0111\u00f3 l\u00e0 gi\u1ea3i ph\u00e1p an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

    T\u1ed5ng quan : Ransomware l\u00e0 m\u1ed9t trong nh\u1eefng m\u1ed1i \u0111e d\u1ecda nguy hi\u1ec3m nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c v\u00e0 c\u00e1 nh\u00e2n. C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ransomware c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i n\u1eb7ng n\u1ec1, kh\u00f4ng ch\u1ec9 v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn danh ti\u1ebfng v\u00e0 uy t\u00edn c\u1ee7a m\u1ed9t doanh nghi\u1ec7p. […]<\/p>\n","protected":false},"author":11,"featured_media":7234,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[18,17],"tags":[93,61,92,97],"class_list":["post-7225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-endpoint","category-bao-mat","tag-antivirus","tag-endpoint-security","tag-ransomware","tag-sophos-endpoint","entry","has-media"],"_links":{"self":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/7225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/comments?post=7225"}],"version-history":[{"count":0,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/posts\/7225\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media\/7234"}],"wp:attachment":[{"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/media?parent=7225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/categories?post=7225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vacif.com\/en\/wp-json\/wp\/v2\/tags?post=7225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}