Malware

Win32:VB-ZGN [Trj] (file analysis)

Malware Removal

The Win32:VB-ZGN [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-ZGN [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
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • 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-ZGN [Trj]?


File Info:

name: D2EFFF72DAE953DB51F8.mlw
path: /opt/CAPEv2/storage/binaries/7d4e788efda287c28137167d707a393f0fbc6191b33675f272d64103059691f7
crc32: C8528F77
md5: d2efff72dae953db51f87f0c47a7f821
sha1: 2215e8b3da29a2a633c1a932072de9f6ebcd822c
sha256: 7d4e788efda287c28137167d707a393f0fbc6191b33675f272d64103059691f7
sha512: 14755d2a64f463300d0f48f5374c235e91f1a8002f9f14207ac6270cd50005fe7af9f6458003ab9b219475cad0a51b2a33aa4375e00698755566fe1616e33666
ssdeep: 6144:t7Ekh5BE64iUO/Yrl4Knvmb7/D26+rC3T8RUFSjkKZdI9usFug9CEQv8BuidAne:xH4a/gl4Knvmb7/D26n3T8RUFSjkKZdS
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F0441C16AA11A02FD64299F92A68A64E383C1D7A3790FC8377C26F1966F14D774F034F
sha3_384: 32084a51d47e4eaebec39bb36fde604725ec8bc92d298052ff1fbad936af3af2b627fea2e39bffdf32faabd8e6d75352
ep_bytes: 6808364000e8f0ffffff000000000000
timestamp: 2011-10-20 19:01:56

Version Info:

fg: vcvc

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

BkavW32.AIDetectMalware
tehtrisGeneric.Malware
MicroWorld-eScanGen:Variant.VBKrypt.23
FireEyeGeneric.mg.d2efff72dae953db
CAT-QuickHealTrojan.VBCryptVMF.S29651643
ALYacGen:Variant.VBKrypt.23
MalwarebytesGeneric.Trojan.Injector.DDS
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaAI:Packer.8079E00420
VirITTrojan.Win32.VBCrypt.EHS
CyrenW32/Vobfus.AA.gen!Eldorado
SymantecW32.Changeup!gen15
Elasticmalicious (high confidence)
ESET-NOD32Win32/AutoRun.VB.ANZ
APEXMalicious
ClamAVWin.Trojan.VB-1499
KasperskyTrojan-Dropper.Win32.Dorifel.acne
BitDefenderGen:Variant.VBKrypt.23
NANO-AntivirusTrojan.Win32.WBNA.crgjdp
SUPERAntiSpywareTrojan.Agent/Gen-Vban
AvastWin32:VB-ZGN [Trj]
TencentWorm.Win32.Vobfus.n
TACHYONTrojan-Dropper/W32.VB-Dorifel.262144
EmsisoftGen:Variant.VBKrypt.23 (B)
BaiduWin32.Worm.Autorun.l
F-SecureTrojan.TR/Vobfus.1761282
DrWebTrojan.VbCrypt.60
VIPREGen:Variant.VBKrypt.23
TrendMicroWORM_VOBFUS.SMAC
McAfee-GW-EditionBehavesLike.Win32.VBObfus.dh
Trapminemalicious.moderate.ml.score
SophosMal/SillyFDC-T
SentinelOneStatic AI – Malicious PE
AviraTR/Vobfus.1761282
Antiy-AVLWorm/Win32.WBNA.gen
MicrosoftWorm:Win32/Vobfus.gen!O
XcitiumTrojWare.Win32.VB.AVA@4paxk7
ArcabitTrojan.VBKrypt.23
ZoneAlarmTrojan-Dropper.Win32.Dorifel.acne
GDataGen:Variant.VBKrypt.23
CynetMalicious (score: 100)
AhnLab-V3HEUR/Fakon.mwf.X1381
McAfeeVBObfus.bs
MAXmalware (ai score=80)
VBA32BScope.Trojan-Dropper.VB.01545
Cylanceunsafe
PandaW32/Vobfus.GEW.worm
TrendMicro-HouseCallWORM_VOBFUS.SMAC
RisingWorm.VobfusEx!1.99DC (CLASSIC)
YandexTrojan.GenAsa!GKdGAqxZSS8
IkarusWorm.Win32.Vobfus
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VB.ADV!tr
AVGWin32:VB-ZGN [Trj]
Cybereasonmalicious.2dae95
DeepInstinctMALICIOUS

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

Win32:VB-ZGN [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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