Categories: Malware

About “Win32:VB-AEJB [Trj]” infection

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


File Info:

name: CD3F6282DE3F8D7E52E8.mlwpath: /opt/CAPEv2/storage/binaries/122a36d3925a0fcdd9c801de4d5a522bb6a7e09758ce0a83d83121a895c017a3crc32: 2E2052DFmd5: cd3f6282de3f8d7e52e8d30fe0e03baasha1: 7086cdbb200700f035ffc3167779e4bca615b1dasha256: 122a36d3925a0fcdd9c801de4d5a522bb6a7e09758ce0a83d83121a895c017a3sha512: c232f37379fe14b317d81dceac55724381e65c43f286fab7e38bbafb127b04e74f996e6651e2e62fb243b8591cc6e1f9dbd33bc32e864cbcd88f605bb7872dd0ssdeep: 3072:Y0Ax6LNxwqRXuD7mEVSuekhGkYrQRVZq3eFo4ejLnlQISQLpyhZu6qyK6YWVVDbf:tAxoNxTR82WGk1Y3nmQcuyKHWVVNttype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T191647561BF26FD83E049163ED3E98BF605452DFE2E06D2CBC631359A5AF1E170806636sha3_384: 5aaca6e416592621270c4bc5f34f514c61ab2b17bd3516cf0ec054e69713b066e2c6bf375d67a908abd8090a46d999b9ep_bytes: 6868134000e8f0ffffff000000000000timestamp: 2012-09-01 17:32:56

Version Info:

Translation: 0x0409 0x04b0ProductName: PeriosteitisFileVersion: 1.98ProductVersion: 1.98InternalName: isomyarianOriginalFilename: isomyarian.exe

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

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Barys.950
FireEye Generic.mg.cd3f6282de3f8d7e
CAT-QuickHeal Trojan.VobfusMF.S19994081
Skyhigh BehavesLike.Win32.GenDownloader.fm
McAfee GenDownloader.rv
Malwarebytes Generic.Malware.AI.DDS
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (D)
Baidu Win32.Worm.Pronny.gm
VirIT Trojan.Win32.VB.ALK
Symantec W32.Changeup
tehtris Generic.Malware
ESET-NOD32 Win32/Pronny.DI
APEX Malicious
TrendMicro-HouseCall WORM_VOBFUS.SM02
ClamAV Win.Trojan.VB-1732
Kaspersky Trojan.Win32.Vobfus.njf
BitDefender Gen:Variant.Barys.950
NANO-Antivirus Trojan.Win32.VB.csnmnv
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-AEJB [Trj]
Tencent Worm.Win32.Vobfus.q
TACHYON Trojan/W32.VB-Vobfus.331776
Sophos Mal/Chuckee-E
Google Detected
F-Secure Trojan.TR/Barys.2644.91
DrWeb Trojan.Siggen6.18938
VIPRE Gen:Variant.Barys.950
TrendMicro WORM_VOBFUS.SM02
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Variant.Barys.950 (B)
Ikarus Trojan-Dropper.Vb
Jiangmin Trojan/Vobfus.qly
Varist W32/VB.HD.gen!Eldorado
Avira TR/Barys.2644.91
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.988
Microsoft Worm:Win32/Vobfus.HK
Xcitium Worm.Win32.Pronny.ABQ@4puwz1
Arcabit Trojan.Barys.950
ViRobot Worm.Win32.A.VBNA.331776.T
ZoneAlarm Trojan.Win32.Vobfus.njf
GData Gen:Variant.Barys.950
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Vobfus.R35238
Acronis suspicious
BitDefenderTheta AI:Packer.D746A1681F
ALYac Gen:Variant.Barys.950
MAX malware (ai score=88)
VBA32 Trojan.VB.Marian
Cylance unsafe
Panda Trj/Genetic.gen
Rising Worm.VobfusEx!1.99EB (CLASSIC)
Yandex Trojan.GenAsa!rmXDU4/U4uY
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.4454224.susgen
Fortinet W32/Diple.EJQE!tr
AVG Win32:VB-AEJB [Trj]
Cybereason malicious.2de3f8
DeepInstinct MALICIOUS
alibabacloud Trojan:Win/Vobfus.5f9d3fe6

How to remove Win32:VB-AEJB [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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