Categories: Malware

Should I remove “Win32:VB-ADNO [Trj]”?

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


File Info:

name: 640487B4F685D1430FA0.mlwpath: /opt/CAPEv2/storage/binaries/5e6e4d5aa77749bc8b47e49b4e5ad231d2e7fba1af7fe3d28c8c685d4e4aad43crc32: 2896C5A3md5: 640487b4f685d1430fa0efced820996fsha1: 2e24e5d66c2e42e6e718aeea841fe5eaf99d6a5bsha256: 5e6e4d5aa77749bc8b47e49b4e5ad231d2e7fba1af7fe3d28c8c685d4e4aad43sha512: 9a2849c65b4916c460e9b64e8e10fa769cd9122e297eae0b0fb909c6d58016dba36af69b20e733dad3fc367bbe20a08ce82e33d43824b155a82e7ff5e4410934ssdeep: 1536:g3j4EVT8JNenyIGmvcTlfbfwVocTzFJ0T72Vpcz:AxYhTxSBTzFJ0T72Qztype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15A930E1A77615422F70879723B43C7E339A76C4E9E1F91867744B9DB68A8E080C1DBE3sha3_384: 8673f15828a34c62e74e4c03e9759291d00d3178b3c3ea35e945890004ef916bcae4911297aaf6d8f46d170966072d55ep_bytes: 6824124000e8eeffffff000000000000timestamp: 2012-06-29 22:39:21

Version Info:

Translation: 0x0409 0x04b0Comments: GastricCompanyName: GastricFileDescription: GastricLegalCopyright: GastricLegalTrademarks: GastricProductName: GastricFileVersion: 8.44ProductVersion: 8.44InternalName: PortlessOriginalFilename: Portless.exe

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

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Jorik.lwz0
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner1.18337
MicroWorld-eScan Gen:Heur.VB.Agent.3
FireEye Generic.mg.640487b4f685d143
CAT-QuickHeal Trojan.Beebone.D
ALYac Gen:Heur.VB.Agent.3
Malwarebytes Generic.Malware.AI.DDS
VIPRE Gen:Heur.VB.Agent.3
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus EmailWorm ( 0054d10f1 )
Alibaba Malware:Win32/km_27b2.None
K7GW EmailWorm ( 0054d10f1 )
Cybereason malicious.4f685d
BitDefenderTheta Gen:NN.ZevbaF.36196.fm0@aaCXSFki
VirIT Worm.Win32.X-Autorun.BBDH
Cyren W32/Vobfus.AT.gen!Eldorado
Symantec W32.Changeup
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Pronny.BF
APEX Malicious
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.WBNA.mxu
BitDefender Gen:Heur.VB.Agent.3
NANO-Antivirus Trojan.Win32.WBNA.cqkxzw
SUPERAntiSpyware Trojan.Agent/Gen-Vobfus
Avast Win32:VB-ADNO [Trj]
Tencent Worm.Win32.Vobfus.n
Emsisoft Gen:Heur.VB.Agent.3 (B)
F-Secure Trojan.TR/Dropper.Gen
Zillya Worm.WBNA.Win32.1536203
TrendMicro WORM_WBNA.SMD
McAfee-GW-Edition BehavesLike.Win32.VBObfus.nm
Trapmine malicious.high.ml.score
Sophos Mal/SillyFDC-Y
SentinelOne Static AI – Malicious PE
GData Gen:Heur.VB.Agent.3
Jiangmin Trojan/Vbobf.b
Google Detected
Avira TR/Dropper.Gen
MAX malware (ai score=80)
Antiy-AVL Worm/Win32.WBNA.gen
Xcitium TrojWare.Win32.VB.AVA@4paxk7
Arcabit Trojan.VB.Agent.3
ZoneAlarm Worm.Win32.WBNA.mxu
Microsoft Worm:Win32/Vobfus.gen!W
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Jorik.R48451
McAfee VBObfus.n
TACHYON Worm/W32.WBNA.94208.B
VBA32 TScope.Trojan.VB
Cylance unsafe
Panda W32/Vobfus.GEW.worm
TrendMicro-HouseCall WORM_WBNA.SMD
Rising Worm.VobfusEx!1.99E2 (CLASSIC)
Yandex Trojan.GenAsa!WyUHhF5NCFg
Ikarus Trojan.Crypt
MaxSecure Trojan.Malware.4205716.susgen
Fortinet W32/VBObfus.C!tr
AVG Win32:VB-ADNO [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32:VB-ADNO [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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