Malware

Should I remove “Win32:VB-YOK [Trj]”?

Malware Removal

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

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • 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
  • 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-YOK [Trj]?


File Info:

name: FA380DCFC7ECCFB63FF2.mlw
path: /opt/CAPEv2/storage/binaries/39f66b9cb113748cc2e07ec0ce8907af6facc2748f7ced042515932eb25fa478
crc32: BF2F00D0
md5: fa380dcfc7eccfb63ff2f6c20ee6b2fe
sha1: bf254a5bc9655683a47ab46d0504888a6f6b2a1b
sha256: 39f66b9cb113748cc2e07ec0ce8907af6facc2748f7ced042515932eb25fa478
sha512: 22739f150b079f4601999fbf109d8e3ce9212cb1c2ee0eec43434fa01ea6bee2ad75e55fd5191f8277be31a10a0b99991a1e33eed4bc27a9b9b78bb2208b8b97
ssdeep: 3072:IGzsrBYoe5g+GwJs8K9YUoIrJaRuSZ/JlQPj/PYv2wM0B2vmkHgHAGFAhD4oQZid:IGwrpP9YErMRuSZ/JlQLHYv2PvzGAMA7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T145F3831636C0F23EC815CAF43D6E4790A479AD3625D2A813F6C26F26B6B1DA7D230717
sha3_384: 2e30e7c5ba6339be4b68bd69d6c8962bec2bbda8947b8066ec23150056a4b121a210d7d534535ec9bad5c4d3cc4c1a02
ep_bytes: 6810404000e8f0ffffff000000000000
timestamp: 1970-01-01 00:00:00

Version Info:

Translation: 0x0409 0x04b0
ProductName: rjRgtZMxsFj
FileVersion: 1.00
ProductVersion: 1.00
InternalName: mNpJFDbtRCAGIy
OriginalFilename: mNpJFDbtRCAGIy.exe

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

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.VBKrypt.23
FireEyeGeneric.mg.fa380dcfc7eccfb6
CAT-QuickHealTrojan.Vobfus.gen
SkyhighBehavesLike.Win32.VBObfus.cm
McAfeeVBObfus.bc
MalwarebytesGeneric.Malware.AI.DDS
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
Cybereasonmalicious.fc7ecc
BaiduWin32.Trojan.Inject.n
VirITWorm.Win32.Generic.AZUA
SymantecW32.Changeup!gen15
tehtrisGeneric.Malware
ESET-NOD32Win32/AutoRun.VB.AMD
APEXMalicious
TrendMicro-HouseCallWORM_VOBFUS.SMAC
ClamAVWin.Trojan.VB-1491
KasperskyWorm.Win32.Vobfus.efex
BitDefenderGen:Variant.VBKrypt.23
NANO-AntivirusTrojan.Win32.Diple.covkye
SUPERAntiSpywareTrojan.Agent/Gen-Vobfus
AvastWin32:VB-YOK [Trj]
SophosMal/SillyFDC-T
F-SecureTrojan.TR/Spy.Agent.163847
DrWebTrojan.VbCrypt.60
VIPREGen:Variant.VBKrypt.23
TrendMicroWORM_VOBFUS.SMAC
Trapminemalicious.high.ml.score
EmsisoftGen:Variant.VBKrypt.23 (B)
IkarusWorm.Win32.WBNA
GoogleDetected
AviraTR/Spy.Agent.163847
VaristW32/Vobfus.Z.gen!Eldorado
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
MicrosoftWorm:Win32/Vobfus!pz
XcitiumTrojWare.Win32.VB.AVA@4paxk7
ArcabitTrojan.VBKrypt.23
ZoneAlarmWorm.Win32.Vobfus.efex
GDataGen:Variant.VBKrypt.23
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Diple.R13793
Acronissuspicious
VBA32BScope.Trojan.VB.Diple.01583
ALYacGen:Variant.VBKrypt.23
MAXmalware (ai score=88)
Cylanceunsafe
PandaTrj/Genetic.gen
RisingWorm.Vobfus!1.99C7 (CLASSIC)
YandexTrojan.GenAsa!3+0rkNP74OI
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VB.CNE!worm
BitDefenderThetaAI:Packer.9DAD55EE20
AVGWin32:VB-YOK [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (W)
alibabacloudTrojan[spy]:Win/Vobfus.e9fb81dc

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

Win32:VB-YOK [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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