Categories: Malware

Win32:VB-AACZ [Trj] removal guide

The Win32:VB-AACZ [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-AACZ [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)
  • CAPE detected the embedded pe malware family
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara detections observed in process dumps, payloads or dropped files

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


File Info:

name: 01A29F8833EF3157AC14.mlwpath: /opt/CAPEv2/storage/binaries/3f822b5f9694af646c9243080e0654b2db493c9f691ee4f86fca2d23c8548595crc32: CFC63E1Bmd5: 01a29f8833ef3157ac1432eec9f62315sha1: 79215fc904ee2fa764c9bb8fc520823451b0ee8dsha256: 3f822b5f9694af646c9243080e0654b2db493c9f691ee4f86fca2d23c8548595sha512: 04397ed2cd6fe35b0ab6e5f4936899b275b207162d71e6d42b346463fef467cba30331f952385ada9cb2d78c5ea387b32eea207d070a5cc1cac6c12e60746d47ssdeep: 3072:FebB9p6JUhfykwxvGQHhTiZemK/fObT/bGiU7dCyUHb9rXDdcNcXCn:8N2JUARhKK/fObT/bGiUJCyMrXDdB+type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17D14C616B650B02FD546C8F26928C29A342D2D7A13D4EC0773C1BF1966709A7B8F17AFsha3_384: d92bdae3849dc8ec6306c092e7d3b18d2193d9ad60f2e1610507e9bb9fc42df44d52feb9d85d46074bfbf6807466011fep_bytes: 68b03b4000e8f0ffffff000000000000timestamp: 2011-12-06 08:02:18

Version Info:

Translation: 0x0409 0x04b0ProductName: vqPrmkFileVersion: 1.00ProductVersion: 1.00InternalName: YipoqNhHOriginalFilename: YipoqNhH.exe

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

Bkav W32.AIDetectMalware
AVG Win32:VB-AACZ [Trj]
tehtris Generic.Malware
DrWeb Trojan.VbCrypt.81
MicroWorld-eScan Gen:Variant.Chinky.6
CAT-QuickHeal Worm.VobfusVMF.S21469912
Skyhigh BehavesLike.Win32.VBObfus.cm
McAfee VBObfus.cd
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (D)
BitDefenderTheta AI:Packer.5C751BD720
VirIT Worm.Win32.Generic.BDYB
Symantec W32.Changeup!gen15
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.AQE
Cynet Malicious (score: 100)
APEX Malicious
Avast Win32:VB-AACZ [Trj]
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.dfxx
BitDefender Gen:Variant.Chinky.6
NANO-Antivirus Trojan.Win32.Vobfus.chhpce
Tencent Worm.Win32.Vobfus.n
Emsisoft Gen:Variant.Chinky.6 (B)
F-Secure Worm.WORM/Vobfus.kefla
Baidu Win32.Worm.Autorun.l
VIPRE Gen:Variant.Chinky.6
TrendMicro WORM_VOBFUS.SMAB
Trapmine suspicious.low.ml.score
FireEye Generic.mg.01a29f8833ef3157
Sophos Mal/SillyFDC-T
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Diple.Gen
Varist W32/VBInject.BG.gen!Eldorado
Avira WORM/Vobfus.kefla
MAX malware (ai score=88)
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.999
Microsoft Worm:Win32/Vobfus!pz
Xcitium TrojWare.Win32.VB.AVA@4paxk7
Arcabit Trojan.Chinky.6
ViRobot Worm.Win32.A.WBNA.196608.AK
ZoneAlarm Worm.Win32.Vobfus.dfxx
GData Gen:Variant.Chinky.6
Google Detected
AhnLab-V3 Trojan/Win32.Jorik.R17307
Acronis suspicious
VBA32 BScope.Trojan.Diple
ALYac Gen:Variant.Chinky.6
TACHYON Worm/W32.VB-WBNA.196608.B
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SMAB
Rising Worm.VobfusEx!1.99DB (CLASSIC)
Yandex Trojan.GenAsa!yciN8HmLtyM
Ikarus Worm.Win32.WBNA
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBKrypt.C!tr
Cybereason malicious.833ef3
DeepInstinct MALICIOUS
alibabacloud Worm:Win/Vobfus.a851ed09

How to remove Win32:VB-AACZ [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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