Malware

What is “Win32/AutoRun.VB.ASA”?

Malware Removal

The Win32/AutoRun.VB.ASA 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/AutoRun.VB.ASA 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
  • Attempts to disable Windows Auto Updates
  • 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/AutoRun.VB.ASA?


File Info:

name: 947B0FDB20A2D1625A52.mlw
path: /opt/CAPEv2/storage/binaries/e0f2e18754a1bcb6b5e6cb6c1dbf88718ee9c9b364f6cfd144e0395146ca4f84
crc32: 013CEEFD
md5: 947b0fdb20a2d1625a529571de2535b7
sha1: 5c537628398dc7d8f404ab2de65d2375233e1860
sha256: e0f2e18754a1bcb6b5e6cb6c1dbf88718ee9c9b364f6cfd144e0395146ca4f84
sha512: db8133d7faa359f080d4b0bb939e1e1c33fdf4c3b76c53d9947cf9d10e34eec157fd6e80bf6c6a880cfb11c20dedbd3d8a6efd762d595434df589b43cab15700
ssdeep: 3072:grAchx7LapsNvZ0OgRqTAJcLGGO/xuiEyJeOOeGs5oxnkNzQKcjmq:gr0Cx/ZLA4PmG6d+
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13144B529B390F33EF061C7F9299943A4406DBD3615E9A41BF7C21B2936F09E39660B53
sha3_384: 00f2ded4bbc8ba8c2837f01a9ebdd2c38433111109a14518d7e8c63678abe59ade985f40c379ec50c6c6b1b1014fd305
ep_bytes: 6818524000e8eeffffff000000000000
timestamp: 2012-02-09 22:09:31

Version Info:

Translation: 0x0409 0x04b0
ProductName: MAiofkTwH
FileVersion: 1.00
ProductVersion: 1.00
InternalName: ZhpmOTYcBH
OriginalFilename: ZhpmOTYcBH.exe

Win32/AutoRun.VB.ASA also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Chinky.7
FireEyeGeneric.mg.947b0fdb20a2d162
CAT-QuickHealTrojan.Beebone.D
SkyhighBehavesLike.Win32.VBObfus.dm
ALYacGen:Variant.Chinky.7
MalwarebytesGeneric.Malware.AI.DDS
VIPREGen:Variant.Chinky.7
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
Cybereasonmalicious.b20a2d
BaiduWin32.Worm.Pronny.d
VirITTrojan.Win32.Zyx.HU
SymantecW32.Changeup
tehtrisGeneric.Malware
ESET-NOD32Win32/AutoRun.VB.ASA
APEXMalicious
TrendMicro-HouseCallWORM_VOBFUS.SMAB
ClamAVWin.Trojan.Vobfus-22
KasperskyWorm.Win32.Vobfus.dgii
BitDefenderGen:Variant.Chinky.7
NANO-AntivirusTrojan.Win32.VBKrypt.cinarp
TencentWorm.Win32.Vobfus.kak
EmsisoftGen:Variant.Chinky.7 (B)
GoogleDetected
F-SecureWorm.WORM/Vobfus.aqrtd
DrWebTrojan.VbCrypt.81
TrendMicroWORM_VOBFUS.SMAB
Trapminemalicious.moderate.ml.score
SophosMal/VBCheMan-B
SentinelOneStatic AI – Malicious PE
VaristW32/Vobfus.Z.gen!Eldorado
AviraWORM/Vobfus.aqrtd
MAXmalware (ai score=84)
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
XcitiumWorm.Win32.Pronny.AK@4ogvoo
ArcabitTrojan.Chinky.7
ZoneAlarmWorm.Win32.Vobfus.dgii
GDataGen:Variant.Chinky.7
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.VBKrypt.R22447
Acronissuspicious
VBA32BScope.Trojan.VB.Diple.01583
TACHYONWorm/W32.Vobfus.258048.B
Cylanceunsafe
ZonerTrojan.Win32.6610
RisingWorm.VobfusEx!1.99DB (CLASSIC)
YandexTrojan.GenAsa!2B6wK8yPm5k
IkarusTrojan.Win32.Vobfus
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VBObfus.CM!tr
BitDefenderThetaGen:NN.ZevbaF.36802.pm0@aeZwB!pi
PandaW32/Vobfus.GEW.worm
CrowdStrikewin/malicious_confidence_100% (D)
alibabacloudTrojan.Win.UnkAgent

How to remove Win32/AutoRun.VB.ASA?

Win32/AutoRun.VB.ASA 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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