Categories: Malware

Win32/GenCBL.BFL removal instruction

The Win32/GenCBL.BFL 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 Win32/GenCBL.BFL virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Attempts to modify desktop wallpaper
  • Harvests cookies for information gathering
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Win32/GenCBL.BFL?


File Info:

name: 8B91F12424B088E27A9F.mlwpath: /opt/CAPEv2/storage/binaries/c1aa2eca40cff21c45737b8781b5109504439a2c919e22017b2080a350f6c1afcrc32: CA0E29B9md5: 8b91f12424b088e27a9f32a89a4eba2csha1: 32c3e24429689f524617b91d075c2d56c25c7cfbsha256: c1aa2eca40cff21c45737b8781b5109504439a2c919e22017b2080a350f6c1afsha512: bdebb778c27db2bd3e0f6107333126e9111a5178caf1d62c3d9b32a0163b9f9cec0be754d98f9f89c07b7620f4925652f90ec9d18ced6e0d22dff064aa2be7afssdeep: 24576:8D8kI2Qt4AYVzWYhWqsmEGXuApdbG5j5amA9VVqc:8DHnRVzruj4DIlPA1qctype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15475AE31B691C433C2733ABC9D1B6255942DBE632A3454CA2BE52F8CDF392413B2599Fsha3_384: 2e377940d6d3138796bc318db0929922c419551d861e33d29adbd32812cf35627f5fc36e1e4e4415705f24cdb85d8d58ep_bytes: 558bec83c4f0b884894c00e870d7f3fftimestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Win32/GenCBL.BFL also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Siggen16.3417
MicroWorld-eScan Trojan.GenericKD.38244141
FireEye Trojan.GenericKD.38244141
McAfee Artemis!8B91F12424B0
Cylance Unsafe
Zillya Trojan.GenCBL.Win32.3613
K7AntiVirus Trojan ( 0058ba011 )
Alibaba Backdoor:Win32/GenCBL.2ed5ee74
K7GW Trojan ( 0058ba011 )
BitDefenderTheta Gen:NN.ZelphiCO.34084.MHY@aGZR0vgO
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenCBL.BFL
TrendMicro-HouseCall TROJ_GEN.R03FC0WLF21
Avast Win32:DangerousSig [Trj]
Kaspersky HEUR:Backdoor.Win32.Agent.gen
BitDefender Trojan.GenericKD.38244141
Tencent Malware.Win32.Gencirc.11dc37ae
Ad-Aware Trojan.GenericKD.38244141
Sophos Mal/Generic-S
TrendMicro TROJ_GEN.R03FC0WLF21
McAfee-GW-Edition BehavesLike.Win32.Dropper.th
Emsisoft Trojan.GenericKD.38244141 (B)
Paloalto generic.ml
Avira BDS/Agent.cgyox
Gridinsoft Ransom.Win32.Sabsik.sa
Microsoft Trojan:Win32/Sabsik.FL.B!ml
ViRobot Trojan.Win32.Z.Sabsik.1671679
GData Win32.Trojan.BSE.178PN2A
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4834281
VBA32 TScope.Trojan.Delf
ALYac Trojan.GenericKD.38244141
MAX malware (ai score=81)
Malwarebytes Spyware.Stealer
APEX Malicious
Rising Trojan.Generic@ML.88 (RDML:JfjhjEhmc4P3slfJe8CpLQ)
Yandex Trojan.GenCBL!b9w/fzLZDTA
SentinelOne Static AI – Malicious PE
Fortinet W32/GenKryptik.FMWI!tr
AVG Win32:DangerousSig [Trj]
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_90% (W)

How to remove Win32/GenCBL.BFL?

  • 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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