Categories: Virus

Virus:Win32/Butool.A (file analysis)

The Virus:Win32/Butool.A 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 Virus:Win32/Butool.A virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics
  • Binary compilation timestomping detected

How to determine Virus:Win32/Butool.A?


File Info:

name: 8A3252D7951E5115B3B7.mlwpath: /opt/CAPEv2/storage/binaries/9c7b39c3d5655d4c9fa58f88688b2526771eb1a21db2dcbb0872f9006f0d4ddecrc32: 2D2FDA3Amd5: 8a3252d7951e5115b3b7455c260f47c3sha1: 0686d2570911df9ea540e34f577ee11e1c576c3esha256: 9c7b39c3d5655d4c9fa58f88688b2526771eb1a21db2dcbb0872f9006f0d4ddesha512: 8e110f708b6750fef0dcde50906c394c34b9d341cbfab45c1de6de11ecfef1e6d6540d23ab5f4f872209087bce2273f8394fda21155ee9593f432863e4c28788ssdeep: 24:OEhu70OaYUpJmZGsABcZk/s84D3cJ/xyZcVVFpBHHEIsGyP+1wh4jYH:OEPpJbBgk/sxDMxxyMnBH5wNhGYHtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T147E2529F41814D52C391293855AA1634F4BAF630FBB952226BE5E421C7633318D6AF28sha3_384: c108d7253a4bfbc58b51040c747cb19d30bed6e67edbf5eb70c413dcba04e3e5f7c1b4d471860ffca26540d32e651f77ep_bytes: 8b0424250000f0bf3d0000f0bf7518a1timestamp: 2034-04-20 08:52:19

Version Info:

0: [No Data]

Virus:Win32/Butool.A also known as:

tehtris Generic.Malware
DrWeb Win95.Whg.910
MicroWorld-eScan Win95.Butool.910.A
FireEye Generic.mg.8a3252d7951e5115
CAT-QuickHeal W32.Butool.910
ALYac Win95.Butool.910.A
Cylance Unsafe
Cybereason malicious.7951e5
BitDefenderTheta AI:Packer.EFF75C041D
VirIT Win95.Marburg
Cyren W32/Butool.910
Elastic malicious (high confidence)
ESET-NOD32 Win95/Butool.910
Zoner Probably Heur.ExeHeaderL
TrendMicro-HouseCall PE_SCHOOLGIRL.A
Paloalto generic.ml
Kaspersky Virus.Win9x.Butool.910
BitDefender Win95.Butool.910.A
NANO-Antivirus Virus.Win32.Butool.cbzx
Avast Win95:Rainer
Tencent Win32.Virus.Butool.Eana
Ad-Aware Win95.Butool.910.A
Sophos W95/SchGirl-910
Comodo Virus.Win95.Butool.9100@1fd2lh
TrendMicro PE_SCHOOLGIRL.A
McAfee-GW-Edition W32/Butool.a
Trapmine malicious.high.ml.score
Emsisoft Win95.Butool.910.A (B)
SentinelOne Static AI – Suspicious PE
GData Win95.Butool.910.A
Jiangmin Win95/Butool.910
Avira W95/Butool-910
MAX malware (ai score=80)
Microsoft Virus:Win32/Butool.A
Cynet Malicious (score: 100)
McAfee W32/Butool.a
VBA32 Trojan.Wacatac
Malwarebytes Malware.Heuristic.1003
APEX Malicious
Rising Win32.HooksGirl (CLASSIC)
Yandex Trojan.GenAsa!svZIbu21GNE
Ikarus Virus.Win32.Poson
MaxSecure Virus.W9X.Butool.910
Fortinet W32/Butool.910
AVG Win95:Rainer
Panda W32/Besc
CrowdStrike win/malicious_confidence_90% (W)

How to remove Virus:Win32/Butool.A?

  • 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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Paul Valéry

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