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Should I remove “Worm.Win32.VBNA.aitt”?

Published Feb 8, 2024 Worm category 3 min read
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What to verify before removal

Use this report for a controlled check of Should I remove “Worm.Win32.VBNA.aitt”? when the affected machine shows suspicious processes, dropped files, or payload delivery behavior. The goal is to verify the exact file and persistence path before quarantine.

Start by comparing the local file name with 31A035192F5C47C84DDA.mlw, then review the behavior notes for persistence entries, dropped files, unusual processes, and browser or network changes. This helps separate a matching detection from a different file that only shares a similar alert name.

Observed file
31A035192F5C47C84DDA.mlw
  • Compare the suspicious file name with 31A035192F5C47C84DDA.mlw.
  • Confirm the detection name matches Should I remove “Worm.Win32.VBNA.aitt”? before removing related files.
  • Review the report for persistence entries, dropped files, unusual processes, and browser or network changes so the cleanup is based on observed behavior, not only the label.
  • Run a full scan, quarantine confirmed detections, and restart before signing back in to sensitive accounts.

The Worm.Win32.VBNA.aitt 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.

What Worm.Win32.VBNA.aitt 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
  • 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 Worm.Win32.VBNA.aitt?



File Info:

name: 31A035192F5C47C84DDA.mlw
path: /opt/CAPEv2/storage/binaries/08efe5716b1f32e5ca0fbe87baf74a334265049e1f2824b3c07ccf95cf72d4fe
crc32: AA630108
md5: 31a035192f5c47c84dda7856e992bf8f
sha1: 91f2b3dc2415308805a7b56b648f60d04e633b37
sha256: 08efe5716b1f32e5ca0fbe87baf74a334265049e1f2824b3c07ccf95cf72d4fe
sha512: 08f5b47a5c15e8121068c79fd3f161ebe88a9e983914c9c74e4230bb4d9929a0f6a93599390a006a665c5cf47ec9822d776ed6024dfc279956669f740e9ebfad
ssdeep: 1536:3yPgSNEY1ObCYUXhXAXzXakcUckn98kMEW7G:UVG0kcUckn98kME9
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A8436F6EFE05144BD60D6A313E67CADF1EB764CE2E4F1A87251873789D36E103825A0B
sha3_384: 68cb13902ea9d86043e54dff92aa54b8f13cdb8e7d322e17c8b706663526f23b0fe9048307bae8d33404cd28fed216b7
ep_bytes: 6874124000e8eeffffff000040000000
timestamp: 2010-07-08 11:37:18


Version Info:

Translation: 0x0409 0x04b0
ProductName: u
FileVersion: 6.96
ProductVersion: 6.96
InternalName: uuGBHNxz
OriginalFilename: uuGBHNxz.exe

Worm.Win32.VBNA.aitt also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.VBNA.lmeS
MicroWorld-eScan Gen:Variant.Midie.59905
ClamAV Win.Trojan.VB-1146
FireEye Generic.mg.31a035192f5c47c8
CAT-QuickHeal Worm.VBNA.gen
Skyhigh BehavesLike.Win32.VBObfus.qm
ALYac Gen:Variant.Midie.59905
Cylance unsafe
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( f1000d011 )
Alibaba Worm:Win32/Vobfus.441ce089
K7GW Trojan ( f1000d011 )
Cybereason malicious.c24153
BitDefenderTheta AI:Packer.3BEB779A20
VirIT Worm.Win32.VB.12.O
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.RD
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Worm.Win32.VBNA.aitt
BitDefender Gen:Variant.Midie.59905
NANO-Antivirus Trojan.Win32.Inject.covlpb
Avast Win32:VB-PQX [Wrm]
Tencent Worm.Win32.VBNA.hew
Emsisoft Gen:Variant.Midie.59905 (B)
Baidu Win32.Worm.VB.as
F-Secure Worm:W32/Vobfus.AX
DrWeb Trojan.Inject.8955
VIPRE Gen:Variant.Midie.59905
TrendMicro WORM_ESFURY.SMA
Trapmine suspicious.low.ml.score
Sophos W32/Autorun-BFG
Ikarus Worm.Win32.Vobfus
GData Gen:Variant.Midie.59905
Jiangmin Worm.VBNA.bjbf
Webroot W32.Obfuscated.Gen
Google Detected
Avira TR/Dldr.Gaat.A
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.1000
Xcitium TrojWare.Win32.VB.SWA@527lh3
Arcabit Trojan.Midie.DEA01
ZoneAlarm Worm.Win32.VBNA.aitt
Microsoft Worm:Win32/Vobfus.R
Varist W32/VB.BA.gen!Eldorado
AhnLab-V3 Win32/Vbna4.worm.Gen
McAfee Downloader-CJX.c
VBA32 Worm.VBNA
Malwarebytes Generic.Malware.AI.DDS
Panda W32/Vobfus.EQ
TrendMicro-HouseCall WORM_ESFURY.SMA
Rising Worm.VobfusEx!1.99EB (CLASSIC)
SentinelOne Static AI – Malicious PE
Fortinet W32/Injector.ADYA!tr
AVG Win32:VB-PQX [Wrm]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Worm.Win32.VBNA.aitt?

Recommended second-opinion scan

Verify the infection before changing system settings

Use GridinSoft Anti-Malware to run a full scan, review detected persistence entries, and quarantine confirmed threats before restarting Windows.

Download GridinSoft Anti-Malware
  • 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.