Malware

Win32:VB-ACEJ [Trj] (file analysis)

Malware Removal

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


File Info:

name: 964296B9D50B145EE88F.mlw
path: /opt/CAPEv2/storage/binaries/0b87bfe63aa1be9a88aa34773fae1bc0b9e51edf16b1c0b33764a90f8c2fc55b
crc32: 5E16DEE8
md5: 964296b9d50b145ee88f928d1177d461
sha1: af25cbd24f4ff58560b2a95a58ff13d4090223ea
sha256: 0b87bfe63aa1be9a88aa34773fae1bc0b9e51edf16b1c0b33764a90f8c2fc55b
sha512: d076971169558d287bceced0374914df3bca2fb5b2d0c24cdad3a4ce47e0f9696d9d3fc026168f7fdfa8c615aad40928b10713e1f048707c523e26fded634be9
ssdeep: 1536:EPXL/lgjJ8isVycDEJfNOPcDGwmgRouYmvqwMewT/0Xu+b5kroNIjnZ4W:INiGyccm/3iu+bFCnWW
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17CA371973F352459F55955302EF38AF23BD2A88C4A1B46426B3436281FEFE322D25B53
sha3_384: 4584b542b85153e88dc171e3aaae62081f5c4a56e32ed86c00125f02438222fb6207a6bd572ec8e8b7e3e994500d3010
ep_bytes: 6810124000e8f0ffffff000000000000
timestamp: 2012-04-03 18:20:42

Version Info:

Translation: 0x0409 0x04b0
ProductName: DqEpbAkzpj
FileVersion: 1.00
ProductVersion: 1.00
InternalName: aYEJsOfs
OriginalFilename: aYEJsOfs.exe

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

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Barys.950
ClamAVWin.Trojan.VB-73682
CAT-QuickHealTrojan.Beebone.D
SkyhighBehavesLike.Win32.VBObfus.ct
McAfeeVBObfus.dv
MalwarebytesGeneric.Malware.AI.DDS
ZillyaTrojan.VobfusGen.Win32.2
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
Cybereasonmalicious.24f4ff
BaiduWin32.Trojan.AutoRun.bb
VirITTrojan.Win32.Zyx.JM
SymantecW32.Changeup
ESET-NOD32Win32/AutoRun.VB.AUF
APEXMalicious
CynetMalicious (score: 100)
KasperskyTrojan.Win32.Vobfus.dtb
BitDefenderGen:Variant.Barys.950
NANO-AntivirusTrojan.Win32.Vobfus.cqkxxr
SUPERAntiSpywareTrojan.Agent/Gen-Vobfus
AvastWin32:VB-ACEJ [Trj]
TencentWorm.Win32.Vobfus.h
TACHYONWorm/W32.Agent.106496
EmsisoftGen:Variant.Barys.950 (B)
F-SecureTrojan.TR/Otran.aztrza
DrWebWin32.HLLW.Autoruner2.18834
VIPREGen:Variant.Barys.950
TrendMicroWORM_VOBFUS.SM41
FireEyeGeneric.mg.964296b9d50b145e
SophosW32/Vobfus-AA
IkarusTrojan.Win32.Vobfus
GDataGen:Variant.Barys.950
JiangminTrojan/Vobfus.mlf
GoogleDetected
AviraTR/Otran.aztrza
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
XcitiumWorm.Win32.Pronny.AK@4ogvoo
ArcabitTrojan.Barys.950
ZoneAlarmTrojan.Win32.Vobfus.dtb
MicrosoftWorm:Win32/Vobfus.EC
VaristW32/VBInject.CO.gen!Eldorado
AhnLab-V3Worm/Win32.VBNA.R23055
Acronissuspicious
VBA32TScope.Trojan.VB
ALYacGen:Variant.Barys.950
MAXmalware (ai score=84)
Cylanceunsafe
PandaW32/Vobfus.GEW.worm
TrendMicro-HouseCallWORM_VOBFUS.SM41
RisingTrojan.FakeIcon!1.64A0 (CLASSIC)
YandexTrojan.GenAsa!66q+qwjMeX0
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.W32.SuperThreat.m
FortinetW32/VBObfus.AU!tr
BitDefenderThetaGen:NN.ZevbaF.36744.gm0@a4AqUBhi
AVGWin32:VB-ACEJ [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)

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

Win32:VB-ACEJ [Trj] removal tool
  • 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.

About the author

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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