Categories: Malware

Win32/AutoRun.VB.ASB removal instruction

The Win32/AutoRun.VB.ASB 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.ASB 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 win api 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.ASB?


File Info:

name: 29BECCFEE2355E3154E0.mlwpath: /opt/CAPEv2/storage/binaries/5d2dfb5efab74e15c041bedff4dfbcb2cad2ead7d8a12842d9102d1b8edc5b30crc32: BC323116md5: 29beccfee2355e3154e0ddce7dfbb039sha1: 7106e6aa82bc0abafd78b95e3bbaab63733b0989sha256: 5d2dfb5efab74e15c041bedff4dfbcb2cad2ead7d8a12842d9102d1b8edc5b30sha512: 69e0d4850a19d48c579cd421e496fd97662bd2c9b30494a9f7cdee8a1a8bc1ed6034ec5b97f61722678f8b6a36a7734174b5c43c0134570f7e41f7c7894a27cfssdeep: 3072:mtAKE9tC8lsacWYCs5fDF4LJSImbV8UvR77D9G5UEDVR/bwutUqQJ8HN:m0tazbF4NN28UJ77hGGED/bbJttype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1AC34A329B3A0E73EE065C7F829AA43A4446EBD3421E5B407F3D15A2576F1EF39221743sha3_384: f0d792b6dec39fe5e232e60f95e4dee966ddd2a25f24931f69cd2e341abfbebbddbdcc7a34764cb5675143ff155cf7a7ep_bytes: 688c584000e8eeffffff000000000000timestamp: 2012-02-10 20:49:49

Version Info:

Translation: 0x0409 0x04b0ProductName: CISYzvFileVersion: 1.00ProductVersion: 1.00InternalName: cSwVzPXiOriginalFilename: cSwVzPXi.exe

Win32/AutoRun.VB.ASB also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Application.Symmi.11352
FireEye Generic.mg.29beccfee2355e31
CAT-QuickHeal Worm.VobfusVMF.S20641892
Skyhigh BehavesLike.Win32.VBObfus.dm
ALYac Gen:Variant.Application.Symmi.11352
Malwarebytes Generic.Worm.AutoRun.DDS
Zillya Worm.Vobfus.Win32.1516073
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Malware:Win32/km_2ff7.None
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZevbaF.36802.om0@a8En21fi
VirIT Trojan.Win32.SHeur4.PZF
Symantec W32.Changeup
ESET-NOD32 Win32/AutoRun.VB.ASB
APEX Malicious
TrendMicro-HouseCall WORM_VOBFUS.SMAB
ClamAV Win.Trojan.Vobfus-70350
Kaspersky Worm.Win32.Vobfus.efph
BitDefender Gen:Variant.Application.Symmi.11352
NANO-Antivirus Trojan.Win32.VB.rilqj
Avast Win32:VB-ABEV [Trj]
Tencent Worm.Win32.Vobfus.n
TACHYON Worm/W32.WBNA.237568.H
Emsisoft Gen:Variant.Application.Symmi.11352 (B)
Baidu Win32.Worm.Pronny.d
F-Secure Worm.WORM/Vobfus.aqrta
DrWeb Trojan.VbCrypt.81
VIPRE Gen:Variant.Application.Symmi.11352
TrendMicro WORM_VOBFUS.SMAB
Trapmine malicious.moderate.ml.score
Sophos Mal/VBCheMan-B
Ikarus Worm.Win32.Vobfus
Google Detected
Avira WORM/Vobfus.aqrta
Varist W32/Vobfus.AI.gen!Eldorado
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.1000
Microsoft Worm:Win32/Vobfus!pz
Xcitium Worm.Win32.Pronny.AK@4ogvoo
Arcabit Trojan.Application.Symmi.D2C58
ZoneAlarm Worm.Win32.Vobfus.efph
GData Gen:Variant.Application.Symmi.11352
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Menti.R20177
Acronis suspicious
McAfee VBObfus.cm
MAX malware (ai score=73)
VBA32 BScope.Trojan.VB.Diple.01583
Cylance unsafe
Panda W32/Vobfus.GEW.worm
Rising Worm.VobfusEx!1.99DB (CLASSIC)
Yandex Trojan.GenAsa!2B6wK8yPm5k
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBKrypt.C!tr
AVG Win32:VB-ABEV [Trj]
DeepInstinct MALICIOUS
alibabacloud Worm:Win/Vobfus.d831376f

How to remove Win32/AutoRun.VB.ASB?

  • 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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