Categories: Malware

About “Win32/AutoRun.VB.AUZ” infection

The Win32/AutoRun.VB.AUZ 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.AUZ 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.AUZ?


File Info:

name: 91FA100B71F33B783465.mlwpath: /opt/CAPEv2/storage/binaries/5282ad5e2f603d2148950bedafa6b7fbed9e2961657683fda293bcdd7caebdc6crc32: 73A3E2E7md5: 91fa100b71f33b78346502273843f97dsha1: 3a444ff0039c51eee52a0d7ad7a3279f938b9d9dsha256: 5282ad5e2f603d2148950bedafa6b7fbed9e2961657683fda293bcdd7caebdc6sha512: 9ebadfcb1ab02368143921f3f906e6b29d9dd1292dbae6a472ae7ee8869796ba8cc44880caf5bd1ac5f27dee5cdaf6e6e42de4abd86cc8d09a97f0aeee9dc4abssdeep: 3072:dORUEUbaxvN3wSUh2XZDutcHdVmn8+3o7:dORUcI3qdVy8+Y7type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T146D3A6AB3F762058F45405702DF282F23BF6A84E5A47614BEB6476242FFBE311D24A53sha3_384: b8949f14c5c749c9afeed966569c1d37b50baa93075e2d15e27173906597f894898055a34049efcc052726879a615d7eep_bytes: 6818124000e8eeffffff000000000000timestamp: 2012-04-19 06:45:01

Version Info:

0: [No Data]

Win32/AutoRun.VB.AUZ also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.VBRan.Gen.2
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.VBObfus.cm
McAfee VBObfus.dv
Cylance unsafe
VIPRE Trojan.VBRan.Gen.2
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (W)
Baidu Win32.Worm.VB.y
VirIT Trojan.Win32.Cryptor.CE
Symantec W32.Changeup!gen20
ESET-NOD32 a variant of Win32/AutoRun.VB.AUZ
APEX Malicious
TrendMicro-HouseCall WORM_VOBFUS.SMJO
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.euuo
BitDefender Trojan.VBRan.Gen.2
NANO-Antivirus Trojan.Win32.Barys.cojbbu
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-ACLF [Trj]
Tencent Worm.Win32.Vobfus.ht
Emsisoft Trojan.VBRan.Gen.2 (B)
Google Detected
F-Secure Trojan.TR/Barys.629.jh.4
DrWeb Win32.HLLW.Autoruner1.16502
TrendMicro WORM_VOBFUS.SMJO
Trapmine malicious.high.ml.score
FireEye Generic.mg.91fa100b71f33b78
Sophos Mal/VBCheMan-J
SentinelOne Static AI – Malicious PE
Jiangmin Worm/VBNA.gxeq
Webroot W32.Worm.Smjo
Varist W32/VBInject.ACK.gen!Eldorado
Avira TR/Barys.629.jh.4
MAX malware (ai score=81)
Antiy-AVL Worm/Win32.WBNA.gen
Microsoft Worm:Win32/Vobfus.EO
Xcitium Worm.Win32.VB.AUA@4o7zkg
Arcabit Trojan.VBRan.Gen.2
ZoneAlarm Worm.Win32.Vobfus.euuo
GData Trojan.VBRan.Gen.2
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Jorik.R25364
Acronis suspicious
VBA32 Trojan.Crypted.18605
ALYac Trojan.VBRan.Gen.2
TACHYON Trojan/W32.Agent.139264
Malwarebytes Generic.Malware.AI.DDS
Panda W32/Vobfus.GEW.worm
Rising Worm.VobfusEx!1.99DB (CLASSIC)
Yandex Trojan.GenAsa!DIHftyp0lSc
Ikarus Trojan.Win32.Jorik
MaxSecure Trojan.Malware.7548949.susgen
Fortinet W32/VBObfus.AU!tr
BitDefenderTheta Gen:NN.ZevbaF.36802.imW@a8fwoKpi
AVG Win32:VB-ACLF [Trj]
Cybereason malicious.b71f33
DeepInstinct MALICIOUS
alibabacloud Trojan:Win/Vobfus.90e0f92b

How to remove Win32/AutoRun.VB.AUZ?

  • 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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