Categories: Backdoor

What is “Backdoor:Win32/Zegost!ml”?

The Backdoor:Win32/Zegost!ml is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Backdoor:Win32/Zegost!ml virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Russian
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid

How to determine Backdoor:Win32/Zegost!ml?


File Info:

name: BB3467F9E60089C0A242.mlwpath: /opt/CAPEv2/storage/binaries/6433c70af644b0b7f8e74dd522e0db47174cf0b4b9c0a01bac4de8b34bff6bb5crc32: 1E166F7Fmd5: bb3467f9e60089c0a242cd9f5bbfac57sha1: fd89169ef7384fa6685ce1d4fc5561fd342d2d4asha256: 6433c70af644b0b7f8e74dd522e0db47174cf0b4b9c0a01bac4de8b34bff6bb5sha512: 01be87331499affd4f22d573ab10d9bb990503094b68e3de3771c3462c5577fb9e94d199d11f163c6a4caf187b0632a8a67812f29d54488e6d8aa2bc0d5257cbssdeep: 49152:m84yIzUBrjW0xp/Sugw3M0FbCcK3aV1c23VQ5H9dm9QhTw6j80MFP/dBMFjo:mcAUE0xp/Snw3fbCcKqVq8SYuhMmE8jotype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1DE062309AA9170F3CA61C8375965B5715329BE210F12CEB767F87D29A8331D47320BAFsha3_384: 4ec4b468623b70d6fd49842bb09f58ed2f920247e4b11387815b926fb98b69675f2a073b25615f43f182bb5e960329b5ep_bytes: e864040000e988feffff3b0d68e64300timestamp: 2021-06-11 09:16:47

Version Info:

0: [No Data]

Backdoor:Win32/Zegost!ml also known as:

Bkav W32.AIDetect.malware1
tehtris Generic.Malware
Cynet Malicious (score: 100)
Cylance Unsafe
Cybereason malicious.ef7384
Cyren W32/Trojan.FFG.gen!Eldorado
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Packed.EnigmaProtector.J suspicious
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Packed.Bladabindi-9840992-0
Sophos Generic ML PUA (PUA)
F-Secure Heuristic.HEUR/AGEN.1215870
DrWeb Trojan.Inject3.3994
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
FireEye Generic.mg.bb3467f9e60089c0
SentinelOne Static AI – Malicious SFX
Avira HEUR/AGEN.1215870
Microsoft Backdoor:Win32/Zegost!ml
AhnLab-V3 Trojan/Win.Generic.R419630
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34606.fzW@aKMZj2m
VBA32 Trojan.Zpevdo
Malwarebytes Malware.AI.4076630999
Rising Trojan.Generic@AI.99 (RDMK:cmRtazrdD8rkZgEeeWynRJ12QVfh)
Ikarus Trojan.Rasftuby
AVG Win32:Evo-gen [Susp]

How to remove Backdoor:Win32/Zegost!ml?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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