Categories: Malware

Win32:VB-AALG [Trj] removal tips

The Win32:VB-AALG [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-AALG [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)
  • 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-AALG [Trj]?


File Info:

name: F4802B0B953931E60461.mlwpath: /opt/CAPEv2/storage/binaries/0caf833d63935c0152f5d15885d0e71b43b057ce8d174d96c49a25d15b7e9a0ccrc32: 21455291md5: f4802b0b953931e60461b73c32365656sha1: 89243e3201631643b61190e2c54e0e1954ee6c3asha256: 0caf833d63935c0152f5d15885d0e71b43b057ce8d174d96c49a25d15b7e9a0csha512: 93a891229bfb038518234ee890ecaf066da52d9055e228e59dd5bf9a949ac367b9198462402e102177f44b338240515567997ee0d2fbfe8308d5ecefe80ccfa6ssdeep: 6144:JFAaAR9SLkWor+akVC5s/durgm7hv8htqiXkIvaX/m7bfTWaUspmHjYT9oFv6wHW:3G9SLkWor+akVC5s/dIdEhtqiXkIvaX6type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C174F723AB00E15ED96785F22568D36635262C3522457D83B3817F9979B2BC3BCB432Fsha3_384: 1603f9da0857c355b677af7fa623ec5d0bf67f40a9b8d584a0f858eb236dbe3cee55c7daddc751d683aacb111565c5e8ep_bytes: 68b8424000e8f0ffffff000048000000timestamp: 2011-12-23 20:22:55

Version Info:

FileVersion: 1.00Translation: 0x0409 0x04b0

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

Bkav W32.AIDetectMalware
tehtris Generic.Malware
DrWeb Trojan.VbCrypt.81
MicroWorld-eScan Gen:Variant.VBInject.11
ClamAV Win.Trojan.VB-73731
FireEye Generic.mg.f4802b0b953931e6
CAT-QuickHeal Worm.VobfusoVMF.S29651405
ALYac Gen:Variant.VBInject.11
Malwarebytes Generic.Malware.AI.DDS
VIPRE Gen:Variant.VBInject.11
Sangfor Trojan.Win32.Save.a
K7AntiVirus EmailWorm ( 0054d10f1 )
K7GW EmailWorm ( 0054d10f1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZevbaF.36250.vm0@a0qlGDmi
VirIT Trojan.Win32.Zyx.SF
Cyren W32/Vobfus.AA.gen!Eldorado
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.AQE
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Worm.Win32.Vobfus.efnq
BitDefender Gen:Variant.VBInject.11
NANO-Antivirus Trojan.Win32.Vobfus.jvuoxs
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-AALG [Trj]
Tencent Trojan.Win32.FakeFolder.pid
TACHYON Worm/W32.Vobfus.348160
Sophos W32/SillyFDC-GS
F-Secure Worm.WORM/Vobfus.ommlb
Baidu Win32.Worm.Autorun.l
TrendMicro WORM_VOBFUS.SMJA
McAfee-GW-Edition BehavesLike.Win32.VBObfus.fm
Emsisoft Gen:Variant.VBInject.11 (B)
SentinelOne Static AI – Suspicious PE
GData Gen:Variant.VBInject.11
Avira WORM/Vobfus.ommlb
Antiy-AVL Worm/Win32.WBNA.gen
Xcitium TrojWare.Win32.VB.AVA@4paxk7
Arcabit Trojan.VBInject.11
ViRobot Trojan.Win32.A.Diple.348160.G
ZoneAlarm Worm.Win32.Vobfus.efnq
Microsoft Worm:Win32/Vobfus.gen!O
Google Detected
AhnLab-V3 Trojan/Win32.Menti.R18663
McAfee VBObfus.df
MAX malware (ai score=84)
VBA32 Trojan.VBCR.2922
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VOBFUS.SMJA
Rising Worm.VobfusEx!1.99DC (CLASSIC)
Ikarus Worm.Win32.Vobfus
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Diple.EJQE!tr
AVG Win32:VB-AALG [Trj]
Cybereason malicious.b95393
DeepInstinct MALICIOUS

How to remove Win32:VB-AALG [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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