Categories: Malware

Win32/AutoRun.VB.AOK (file analysis)

The Win32/AutoRun.VB.AOK 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.AOK 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)
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Win32/AutoRun.VB.AOK?


File Info:

name: A89949C796B14F8022C0.mlwpath: /opt/CAPEv2/storage/binaries/36c36d2d1d84ce321151aae2559576225d5185bacd97a1f81e54fac8be6e517fcrc32: ED1F2BD3md5: a89949c796b14f8022c061ae0e0927absha1: 74d90df7f9a597d8b8d11303136e71a6fa2fc153sha256: 36c36d2d1d84ce321151aae2559576225d5185bacd97a1f81e54fac8be6e517fsha512: 3a04ac38bb6abb4c2b534544000209d054e3cdaf376b04593e05e3ca2e4e1a176108179d40fe52b17cb94b1eac7a3fd4c89a0d64df060fd413e0591e0d449791ssdeep: 6144:kkSD1y0FXrKnvmb7/D26OJYPsMiqDJlJNwHG6s20EBb4jHX3QA/hwNGhWhThPvMd:kdD1y0F7Knvmb7/D265DJlJNwHG6JTbOtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12E545317FB00A11AF56248F03A2DAB965D292D373650BC07BB835B1865B16DBB8F071Fsha3_384: 6fd2ef0ec8d3e5f858917362e56225cbd64c93934980b31660c526d0e96b005f1cbff2812098c84fdd0085df15939baaep_bytes: 68783b4000e8eeffffff000000000000timestamp: 2011-10-27 18:18:51

Version Info:

0: [No Data]

Win32/AutoRun.VB.AOK also known as:

Bkav W32.AIDetectMalware
AVG Win32:Evo-gen [Trj]
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.VBKrypt.23
CAT-QuickHeal Worm.VobfusVMF.S28965266
Skyhigh BehavesLike.Win32.VBObfus.dm
McAfee VBObfus.bs
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.796b14
BitDefenderTheta AI:Packer.CA46F90C20
VirIT Trojan.Win32.Zyx.FJ
Symantec W32.Changeup.C
tehtris Generic.Malware
ESET-NOD32 Win32/AutoRun.VB.AOK
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.dfrp
BitDefender Gen:Variant.VBKrypt.23
NANO-Antivirus Trojan.Win32.WBNA.cqkxpd
Avast Win32:Evo-gen [Trj]
Tencent Worm.Win32.Vobfus.n
TACHYON Worm/W32.Vobfus.303104
Emsisoft Gen:Variant.VBKrypt.23 (B)
Baidu Win32.Worm.Autorun.l
F-Secure Trojan.TR/Spy.Agent.303121
DrWeb Trojan.VbCrypt.60
VIPRE Gen:Variant.VBKrypt.23
TrendMicro WORM_VOBFUS.SMAC
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.a89949c796b14f80
Sophos Mal/SillyFDC-T
SentinelOne Static AI – Malicious PE
Varist W32/Vobfus.Z.gen!Eldorado
Avira TR/Spy.Agent.303121
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.999
Microsoft Worm:Win32/Vobfus.DM
Xcitium Worm.Win32.Pronny.AK@4ogvoo
Arcabit Trojan.VBKrypt.23
ZoneAlarm Worm.Win32.Vobfus.dfrp
GData Gen:Variant.VBKrypt.23
Google Detected
AhnLab-V3 Trojan/Win32.Diple.R15226
Acronis suspicious
VBA32 BScope.Trojan.Menti
ALYac Gen:Variant.VBKrypt.23
MAX malware (ai score=89)
Cylance unsafe
Panda W32/Vobfus.GEW.worm
TrendMicro-HouseCall WORM_VOBFUS.SMAC
Rising Worm.VobfusEx!1.99DB (CLASSIC)
Yandex Trojan.GenAsa!VQxTR22XDp8
Ikarus Worm.Win32.Vobfus
MaxSecure Trojan.Menti.ioif
Fortinet W32/VB.ADV!tr
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)
alibabacloud Trojan[spy]:Win/Vobfus.6b765a4e

How to remove Win32/AutoRun.VB.AOK?

  • 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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