Malware

Should I remove “Win32/VB.OZA”?

Malware Removal

The Win32/VB.OZA 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.OZA virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • The binary contains an unknown PE section name indicative of packing
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Win32/VB.OZA?



File Info:

name: 135C3DF240A2ECEB15AD.mlw
path: /opt/CAPEv2/storage/binaries/ecec34ab831017886102f6b810c159a81438935e1c8b18269696931e083954c2
crc32: C5800671
md5: 135c3df240a2eceb15adb258d4f1857f
sha1: a162bce83f4fb4da3fffe34b3a10f99cca251505
sha256: ecec34ab831017886102f6b810c159a81438935e1c8b18269696931e083954c2
sha512: 487572d1da24402d606a2714f244f9c50d45c600a33a1e6d02f930005aaeb40a7e0d4848fe84a8f59bf373f237f1efda59cf6e434fd83d8c18376a79ac92f862
ssdeep: 768:Ac/TbblapQNwC3BEc4QEfu0Ei8XxNDIgrlvFaaz6JZ1Ssw63BEfG:x7bblaeThavEjD7rlvFaaAXZL0G
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1FA042943B752C581F68A6578588343A92793FD319E13BA033264BF3F3AB35A14D95B32
sha3_384: 15e2f2ab6fbe081bca5148c8fdd3cdad638e5fef836e37fcbc9be82861dcb1fb86cb095571b2981f06dc901616bdc46f
ep_bytes: 68186d4000e8f0ffffff000000000000
timestamp: 2009-01-06 03:42:02


Version Info:

Translation: 0x0409 0x04b0
ProductName: Microsoft Windows
FileVersion: 1.00.0054
ProductVersion: 1.00.0054
InternalName: musicvn
OriginalFilename: musicvn.exe

Win32/VB.OZA also known as:

BkavW32.AIDetectMalware
Elasticmalicious (moderate confidence)
CynetMalicious (score: 100)
McAfeeVilsel.gen.l
Cylanceunsafe
SangforWorm.Win32.VB.pro3
K7AntiVirusTrojan ( 004bcce41 )
K7GWTrojan ( 004bcce41 )
Cybereasonmalicious.83f4fb
BaiduWin32.Trojan.VB.h
VirITTrojan.Win32.Siggen2.CWVN
CyrenW32/S-41b6fa4a!Eldorado
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/VB.OZA
APEXMalicious
ClamAVWin.Malware.Genpack-6989317-0
KasperskyTrojan.Win32.Vilsel.bpxe
BitDefenderTrojan.GenericKDZ.98941
NANO-AntivirusTrojan.Win32.Vilsel.juotsv
MicroWorld-eScanTrojan.GenericKDZ.98941
AvastWin32:Vilsel-CT [Trj]
TencentTrojan.Win32.VB.sf
EmsisoftTrojan.GenericKDZ.98941 (B)
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.Siggen2.50583
VIPRETrojan.GenericKDZ.98941
McAfee-GW-EditionBehavesLike.Win32.Vilsel.cz
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.135c3df240a2eceb
SophosTroj/VB-FTX
IkarusTrojan.Crypt
JiangminTrojan.Vilsel.dat
AviraTR/Dropper.Gen
Antiy-AVLTrojan/Win32.Vilsel
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
XcitiumTrojWare.Win32.Vilsel.ALY@4bdezk
ArcabitTrojan.Generic.D1827D
ZoneAlarmTrojan.Win32.Vilsel.bpxe
GDataWin32.Trojan.Vilsel.A
GoogleDetected
AhnLab-V3Trojan/Win.Vilsel.R569597
BitDefenderThetaGen:NN.ZevbaF.36196.lm1@aeOowxai
ALYacTrojan.GenericKDZ.98941
MAXmalware (ai score=87)
VBA32Trojan.Vilsel
MalwarebytesVB.Trojan.Generic.DDS
PandaTrj/Genetic.gen
RisingTrojan.VB!1.BE89 (CLASSIC)
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Vilsel.aly
FortinetW32/Agent.OZA!worm
AVGWin32:Vilsel-CT [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/VB.OZA?

Win32/VB.OZA 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.

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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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