Categories: Malware

Should I remove “Win32/AutoRun.VB.AUN”?

The Win32/AutoRun.VB.AUN 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.AUN 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 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.AUN?


File Info:

name: B191E5725084C9A6C860.mlwpath: /opt/CAPEv2/storage/binaries/45b8a9a4a8f9eebeaa3c41a836a87d64956991590cab95e9f65581b200a5f01ecrc32: D011AEB7md5: b191e5725084c9a6c860b4db5f6a6d5esha1: 9118e271eab76087c95206cacfa3a25fe7d2e4a1sha256: 45b8a9a4a8f9eebeaa3c41a836a87d64956991590cab95e9f65581b200a5f01esha512: 4bf5ddde07d1ad874660ad341440e55e13bc8fd4128a17f37ff847e2c0e2349481b7072179cfee3861c98d228aa4c94f0b1c7b8df167cc5fed2ccfded3dbeef2ssdeep: 1536:pwAZssiAhgIuFQFvHwd6PXOYb7gXWgWKsEHTINeG0h/:+gssiqg/FQByYb7gvsEztype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14EF320A9FB82907DF55A113C13EAE6E325B634458D6FD08AB730B3A404DAD1188FD763sha3_384: c238f5c58ddd0cc9df0b98e14f36a4528bd77af059c71db5dfbf9d4d5202f30d88478e59e073ccddc0b9321475167790ep_bytes: 6880124000e8eeffffff000048000000timestamp: 2012-04-11 19:29:09

Version Info:

0: [No Data]

Win32/AutoRun.VB.AUN also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.Vobfus.o!c
MicroWorld-eScan Trojan.GenericKDZ.95603
FireEye Generic.mg.b191e5725084c9a6
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.VBObfus.ct
McAfee W32/Autorun.worm.aaeh
Malwarebytes Generic.Malware.AI.DDS
Sangfor Trojan.Win32.Save.a
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Worm:Win32/vobfus.9d6a
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.1eab76
Arcabit Trojan.Generic.D17573
BitDefenderTheta Gen:NN.ZevbaF.36744.kmY@aOM3P0e
VirIT Trojan.Win32.Cryptor.RR
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/AutoRun.VB.AUN
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Dropper.XtremeRAT-7708589-0
Kaspersky Worm.Win32.Vobfus.axgu
BitDefender Trojan.GenericKDZ.95603
NANO-Antivirus Trojan.Win32.VB.cmtitt
Avast Win32:Vitro [Inf]
Tencent Malware.Win32.Gencirc.10bf85ce
Emsisoft Trojan.GenericKDZ.95603 (B)
Baidu Win32.Worm.Autorun.u
F-Secure Trojan.TR/Otran.A.800
DrWeb Win32.HLLW.Autoruner1.15105
VIPRE Trojan.GenericKDZ.95603
TrendMicro TROJ_AGENT_050216.TOMB
Trapmine malicious.high.ml.score
Sophos Mal/VBCheMan-J
Ikarus Trojan.Patched
Varist W32/VB.HE.gen!Eldorado
Avira TR/Otran.A.800
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft Win32.Virut.nc.53248
Xcitium TrojWare.Win32.VB.AVA@4paxk7
Microsoft Worm:Win32/Vobfus!pz
ViRobot Worm.Win32.A.VBNA.131072.BY
ZoneAlarm Worm.Win32.Vobfus.axgu
GData Trojan.GenericKDZ.95603
Google Detected
Acronis suspicious
ALYac Trojan.GenericKDZ.95603
MAX malware (ai score=84)
VBA32 SScope.Malware-Cryptor.VBCR.1141
Cylance unsafe
Panda W32/Vobfus.GEW.worm
TrendMicro-HouseCall TROJ_AGENT_050216.TOMB
Rising Worm.VobfusEx!1.99E1 (CLASSIC)
Yandex Trojan.GenAsa!XRHX5NhasMM
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBObfus.AU!tr
AVG Win32:Vitro [Inf]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/AutoRun.VB.AUN?

  • 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.
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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