Categories: Malware

Win32:VB-AEMB [Trj] removal instruction

The Win32:VB-AEMB [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-AEMB [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)
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Win32:VB-AEMB [Trj]?


File Info:

name: E543BF791D08E0ECA738.mlwpath: /opt/CAPEv2/storage/binaries/39fa86059d9cdba3f14747691c637a2c34c2ae6cc6f386ca489e41793ffaea52crc32: 7B293A22md5: e543bf791d08e0eca738c08c0aef902bsha1: e1a0e8e032f28fddf87c34159e37e0a29af39630sha256: 39fa86059d9cdba3f14747691c637a2c34c2ae6cc6f386ca489e41793ffaea52sha512: 7c56295d3beb788510f49b5b0a20115fca024f614d4bbb20e4f51ed100aab01370a212eb9278c3425f8b7803fd8b5d4f15a0cfb9adc0343f35519c1fc6b5b40essdeep: 768:vAr68qOJ+TtzxfwHpFeh6gM1rA8dOsc7jUq4RkA5o3K1DfsvtzsXjLft+9o1mm:vArHqlZzxILFjnAzA5o6BfItoXjLl0hmtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17F93D63FBB169881E55CA27416F6CBF516FB7C57270B100BA74037AA28E6E041DACD93sha3_384: 246b0f594c65d676b36564d67fb61336c55124231c05139081432b199103ba773fc61244f757a2c3af48bdf1b8213eb1ep_bytes: 6828124000e8f0ffffff000000000000timestamp: 2012-09-14 05:23:58

Version Info:

Translation: 0x0409 0x04b0ProductName: acoponFileVersion: 2.69ProductVersion: 2.69InternalName: topsailiteOriginalFilename: topsailite.exe

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

Bkav W32.AIDetectMalware
tehtris Generic.Malware
DrWeb Win32.HLLW.Autoruner1.25776
MicroWorld-eScan Gen:Variant.Barys.950
ClamAV Win.Trojan.Changeup-6169544-0
FireEye Generic.mg.e543bf791d08e0ec
CAT-QuickHeal Trojan.Beebone.D
ALYac Gen:Variant.Barys.950
Malwarebytes Pronny.Worm.Spreader.DDS
Sangfor Suspicious.Win32.Save.a
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.91d08e
BitDefenderTheta Gen:NN.ZevbaF.36196.fm0@a0r3F3pi
VirIT Worm.Win32.X-Autorun.BMDK
Cyren W32/Vobfus.AT.gen!Eldorado
Symantec W32.Changeup!gen20
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Pronny.BJ
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Worm.Win32.Vobfus.dhlj
BitDefender Gen:Variant.Barys.950
NANO-Antivirus Trojan.Win32.Autoruner1.jvjuka
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-AEMB [Trj]
Tencent Worm.Win32.Vobfus.ha
Emsisoft Gen:Variant.Barys.950 (B)
F-Secure Trojan.TR/Dropper.Gen
VIPRE Gen:Variant.Barys.950
TrendMicro WORM_VOBFUS.SM02
McAfee-GW-Edition BehavesLike.Win32.VBObfus.mm
Trapmine malicious.high.ml.score
Sophos Mal/BeeBone-AE
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Barys.950
Jiangmin Trojan/Vbobf.b
Webroot W32.Trojan.Agent.Gen
Avira TR/Dropper.Gen
Antiy-AVL Worm/Win32.WBNA.gen
Xcitium TrojWare.Win32.Pronny.EB@4qtzpj
Arcabit Trojan.Barys.950
ZoneAlarm Worm.Win32.Vobfus.dhlj
Microsoft Worm:Win32/Vobfus.HU
Google Detected
AhnLab-V3 Trojan/Win32.Menti.R36560
McAfee GenDownloader.rv
MAX malware (ai score=86)
VBA32 Trojan.Agent
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SM02
Rising Trojan.VB!1.99F7 (CLASSIC)
Yandex Trojan.GenAsa!6+Gc6qr5vwQ
Ikarus Trojan.Win32.Agent
MaxSecure Trojan.Malware.5486835.susgen
Fortinet W32/Diple.EJQE!tr
AVG Win32:VB-AEMB [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32:VB-AEMB [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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