Malware

What is “Win32:VB-AACZ [Trj]”?

Malware Removal

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)
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

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


File Info:

name: 6C75E6B74D67EC052AC3.mlw
path: /opt/CAPEv2/storage/binaries/4354983da306f8fa8d34f20d3ab4010baee983ccac15c5bfc8365a3d18963e39
crc32: 6AB282BE
md5: 6c75e6b74d67ec052ac30a310ca7a788
sha1: d271f688c3fe53336d662af9f75b3384f33f95de
sha256: 4354983da306f8fa8d34f20d3ab4010baee983ccac15c5bfc8365a3d18963e39
sha512: a6b406c6bc9eeef9492ce2351dae4b0939ba5dcca64cbc3ff55a502c700cf146e447421579b5233b2c7f6c3088be21e0cedf0da9b890d87fede28ff56a2f7f10
ssdeep: 3072:FebBbpxJUhfykwxvGQHhTiZemK/fObT/bGiU7dCyUHb9rXDdcNcXzK:8NTJUARhKK/fObT/bGiUJCyMrXDdBG
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D214C616B650B02FD546C8F26928839A342D2D7A13D4EC0773C1BF1966709A7B8F17AF
sha3_384: 68f35705509f645849489e0d8a38ff3fec684857705b39f80f27db62ce00236429b2e59f1ee11b8f47364a8cc9c21c19
ep_bytes: 68b03b4000e8f0ffffff000000000000
timestamp: 2011-12-06 08:02:18

Version Info:

Translation: 0x0409 0x04b0
ProductName: cVrsOX
FileVersion: 1.00
ProductVersion: 1.00
InternalName: QInKbIKR
OriginalFilename: QInKbIKR.exe

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

BkavW32.AIDetectMalware
AVGWin32:VB-AACZ [Trj]
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Chinky.6
FireEyeGeneric.mg.6c75e6b74d67ec05
CAT-QuickHealWorm.VobfusVMF.S21469912
SkyhighBehavesLike.Win32.VBObfus.cm
McAfeeVBObfus.cd
MalwarebytesGeneric.Malware.AI.DDS
VIPREGen:Variant.Chinky.6
SangforSuspicious.Win32.Save.vb
K7GWEmailWorm ( 0054d10f1 )
K7AntiVirusEmailWorm ( 0054d10f1 )
BitDefenderThetaAI:Packer.5C751BD720
SymantecW32.Changeup!gen15
tehtrisGeneric.Malware
ESET-NOD32Win32/AutoRun.VB.AQE
CynetMalicious (score: 100)
APEXMalicious
ClamAVWin.Trojan.Changeup-6169544-0
KasperskyWorm.Win32.Vobfus.dfxx
BitDefenderGen:Variant.Chinky.6
NANO-AntivirusTrojan.Win32.Vobfus.chhpce
AvastWin32:VB-AACZ [Trj]
TencentWorm.Win32.Vobfus.n
TACHYONWorm/W32.VB-WBNA.196608.B
EmsisoftGen:Variant.Chinky.6 (B)
BaiduWin32.Worm.Autorun.l
F-SecureWorm.WORM/Vobfus.kefla
DrWebTrojan.VbCrypt.81
TrendMicroWORM_VOBFUS.SMAB
Trapminesuspicious.low.ml.score
SophosMal/SillyFDC-T
IkarusWorm.Win32.WBNA
WebrootW32.Trojan.Diple.Gen
VaristW32/VBInject.BG.gen!Eldorado
AviraWORM/Vobfus.kefla
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.999
XcitiumTrojWare.Win32.VB.AVA@4paxk7
ArcabitTrojan.Chinky.6
ViRobotWorm.Win32.A.WBNA.196608.AK
ZoneAlarmWorm.Win32.Vobfus.dfxx
GDataGen:Variant.Chinky.6
GoogleDetected
AhnLab-V3Trojan/Win32.Jorik.R17307
Acronissuspicious
VBA32BScope.Trojan.Diple
ALYacGen:Variant.Chinky.6
MAXmalware (ai score=81)
Cylanceunsafe
PandaTrj/Genetic.gen
TrendMicro-HouseCallWORM_VOBFUS.SMAB
RisingWorm.VobfusEx!1.99DB (CLASSIC)
YandexTrojan.GenAsa!yciN8HmLtyM
SentinelOneStatic AI – Malicious PE
FortinetW32/VBKrypt.C!tr
DeepInstinctMALICIOUS
alibabacloudWorm:Win/Vobfus.a851ed09

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

Win32:VB-AACZ [Trj] removal tool
  • 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.

About the author

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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