Categories: Malware

Win32:VB-AASR [Trj] malicious file

The Win32:VB-AASR [Trj] 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:VB-AASR [Trj] 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:VB-AASR [Trj]?


File Info:

name: 7618DFB6848C14CBD077.mlwpath: /opt/CAPEv2/storage/binaries/ede193b6e5d9b4ae8e5cea9ecc3cb745d4d41f89fface15f357ac874cf606ebacrc32: 2E7AB4E8md5: 7618dfb6848c14cbd077a285d870106bsha1: a9aa854a4327b28192df9de31a473a999a9c0ea2sha256: ede193b6e5d9b4ae8e5cea9ecc3cb745d4d41f89fface15f357ac874cf606ebasha512: 90539722fcf1e899711fa36961e9bad27a011ae830a69f97d5e2fe1c1ae05d9543085ce73c0345c8e302c1d6acd904a68c6303c9a926e22e15ea45ebb611df5fssdeep: 3072:8sgANcTiooHiUS41IGymUU5fkUehyB456J2Lw6BoiEx4PvsL2o5Y33ygot:nKToHiUBiGyuT236J2deiEx4PvRo5eFgtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C844811972C0F77ED821C6F43A5643A4A53EED322491A807F6D21F1A37B5E87E261363sha3_384: 6c858ad728503d64751fa9cdba730e371360e89810575f3cb350e9b9d6c79018c8e621b83857b0ebdeca4d38097f2afbep_bytes: 6810404000e8f0ffffff000000000000timestamp: 2012-01-14 07:23:56

Version Info:

0: [No Data]

Win32:VB-AASR [Trj] also known as:

Bkav W32.AIDetectMalware
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.VBInject.11
FireEye Generic.mg.7618dfb6848c14cb
CAT-QuickHeal Trojan.Beebone.D
Skyhigh BehavesLike.Win32.VBObfus.dm
McAfee VBObfus.eq
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.6848c1
BitDefenderTheta Gen:NN.ZevbaF.36802.qmW@aWkeW3gi
VirIT Trojan.Win32.Zyx.HH
Symantec W32.Changeup!gen15
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/AutoRun.VB.AQN
APEX Malicious
Avast Win32:VB-AASR [Trj]
Cynet Malicious (score: 100)
Kaspersky Worm.Win32.Vobfus.efid
BitDefender Gen:Variant.VBInject.11
NANO-Antivirus Trojan.Win32.Otran.jwdzws
SUPERAntiSpyware Trojan.Agent/Gen-Multi[VB]
Rising Worm.VobfusEx!1.99DB (CLASSIC)
Emsisoft Gen:Variant.VBInject.11 (B)
Baidu Win32.Trojan.VBObfus.f
F-Secure Trojan.TR/Otran.aymb
DrWeb Trojan.VbCrypt.81
VIPRE Gen:Variant.VBInject.11
TrendMicro WORM_VOBFUS.SM10
Trapmine malicious.moderate.ml.score
Sophos Mal/SillyFDC-U
SentinelOne Static AI – Malicious PE
Google Detected
Avira TR/Otran.aymb
MAX malware (ai score=86)
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.1000
Xcitium TrojWare.Win32.Diple.EMIB@4pez3w
Arcabit Trojan.VBInject.11
ViRobot Trojan.Win32.A.Vobfus.266240.A
ZoneAlarm Worm.Win32.Vobfus.efid
GData Gen:Variant.VBInject.11
Varist W32/Vobfus.BE.gen!Eldorado
AhnLab-V3 Trojan/Win32.Vobfus.R19883
Acronis suspicious
VBA32 BScope.Trojan-Dropper.Injector
ALYac Gen:Variant.VBInject.11
TACHYON Worm/W32.Vobfus.266240
Cylance unsafe
Panda W32/Vobfus.GEW.worm
TrendMicro-HouseCall WORM_VOBFUS.SM10
Tencent Worm.Win32.Vobfus.kh
Yandex Trojan.GenAsa!SaCOTwa1z30
Ikarus Worm.Win32.Vobfus
Fortinet W32/Diple.EJQE!tr
AVG Win32:VB-AASR [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)
alibabacloud Trojan:Win/Vobfus.a47ddc06

How to remove Win32:VB-AASR [Trj]?

  • 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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