Categories: Malware

Win32:VB-ACFO [Trj] removal

The Win32:VB-ACFO [Trj] 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:VB-ACFO [Trj] virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Win32:VB-ACFO [Trj]?


File Info:

name: 624DEBDEF8AA383076DE.mlwpath: /opt/CAPEv2/storage/binaries/b232e3adaa74289765278bf8648e953a15d1e41e0864ffc6f57177dc886315f4crc32: 0EDB8B10md5: 624debdef8aa383076de5ac62c376a72sha1: 495e39b6b7f6a90aa036a28192724235386a9696sha256: b232e3adaa74289765278bf8648e953a15d1e41e0864ffc6f57177dc886315f4sha512: a03c579d2c5592ecc7fc48193dd181dc957edf52ec6d016b946c59ed5d19fc5b966e898303aa09d805b74bb0761ff28a5d56b7dadf50d6a0237a942e67033f4fssdeep: 1536:hft0O82NTdwfzLGZcYADZPU1+73BD88b0nysNIjnZq:PwfugZPUQJsCnYtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1FBA39023770414A8E978663467B786E739F3A89C4A0B65837B3436395C7FE421D21BE3sha3_384: 58a9298aedd817682e3ba2b94c2beac8d251d09f963de85d3fd4c55db2440afa5495c5766950a0d04143d86eef3a98b9ep_bytes: 6820124000e8eeffffff000000000000timestamp: 2012-04-06 18:24:31

Version Info:

ProductName: FileVersion: 1.88ProductVersion: 1.77InternalName: OriginalFilename: Translation: 0x0409 0x04b0

Win32:VB-ACFO [Trj] also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Jorik.lvqp
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKDZ.83003
ClamAV Win.Trojan.VB-1576
FireEye Generic.mg.624debdef8aa3830
CAT-QuickHeal Trojan.Beebone.D
McAfee W32/Autorun.worm.aaeh
Cylance unsafe
VIPRE Trojan.GenericKDZ.83003
Sangfor Suspicious.Win32.Save.vb
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Worm:Win32/SuperThreat.fb40
K7GW P2PWorm ( 0038227d1 )
K7AntiVirus EmailWorm ( 003c363a1 )
Baidu Win32.Trojan.SuperThreat.e
VirIT Trojan.Win32.Zyx.KR
Cyren W32/VBInject.CO.gen!Eldorado
Symantec W32.Changeup!gen20
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/AutoRun.VB.AUK
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.SuperThreat.m
BitDefender Trojan.GenericKDZ.83003
NANO-Antivirus Trojan.Win32.Jorik.cihuhi
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-ACFO [Trj]
Tencent Worm.Win32.Vobfus.h
TACHYON Trojan/W32.SuperThreat.102400
Emsisoft Trojan.GenericKDZ.83003 (B)
F-Secure Worm.WORM/Vobfus.EG.90
DrWeb Win32.HLLW.Autoruner1.14731
Zillya Trojan.SuperThreatGen.Win32.1
TrendMicro WORM_VOBFUS.SMCK
McAfee-GW-Edition BehavesLike.Win32.VBObfus.cm
Trapmine malicious.high.ml.score
Sophos W32/Vobfus-Z
SentinelOne Static AI – Malicious PE
GData Trojan.GenericKDZ.83003
Jiangmin Trojan/SuperThreat.cuf
Avira WORM/Vobfus.EG.90
Antiy-AVL Worm/Win32.WBNA.gen
Xcitium Worm.Win32.Pronny.AK@4ogvoo
Arcabit Trojan.Generic.D1443B
ZoneAlarm Trojan.Win32.SuperThreat.m
Microsoft Trojan:Win32/Vindor!pz
Google Detected
AhnLab-V3 Worm/Win32.VBNA.R23055
BitDefenderTheta Gen:NN.ZevbaF.36318.gm0@aWW7Z2oi
ALYac Trojan.GenericKDZ.83003
MAX malware (ai score=84)
VBA32 Trojan.SuperThreat
Malwarebytes Generic.Malware.AI.DDS
Panda W32/Vobfus.GEW.worm
Zoner Trojan.Win32.146867
TrendMicro-HouseCall WORM_VOBFUS.SMCK
Rising Worm.Vobfus!1.99C3 (CLASSIC)
Yandex Trojan.GenAsa!NJz+QeX5uVg
Ikarus Trojan.Win32.Vobfus
MaxSecure Trojan.W32.SuperThreat.m
Fortinet W32/VBObfus.AU!tr
AVG Win32:VB-ACFO [Trj]
DeepInstinct MALICIOUS

How to remove Win32:VB-ACFO [Trj]?

  • 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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