Categories: Malware

Win32/AutoRun.VB.YJ removal guide

The Win32/AutoRun.VB.YJ 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/AutoRun.VB.YJ virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • 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 rule detections observed from a process memory dump/dropped files/CAPE

How to determine Win32/AutoRun.VB.YJ?


File Info:

name: 549E866D1DCF6651AD87.mlwpath: /opt/CAPEv2/storage/binaries/aab0c35be7dbf01817b2af0f009c763c10c0f87c0434a40c8fb12d755975423ecrc32: FD3F73EEmd5: 549e866d1dcf6651ad87cf72f81b1ea5sha1: 3ca7aa83300b4c24962c7a63808c301d0438b0d0sha256: aab0c35be7dbf01817b2af0f009c763c10c0f87c0434a40c8fb12d755975423esha512: 1ae3cfba11f7b055db3fcdfbbe31ab9979a9f6994cba67160443bf299af5ba5db5b7a98626e31e0ca250eaf9419c74087dd1bb6f3eaeb03034f54b578abaabdessdeep: 1536:fqIwL0MazsAKLgm08hn7ttU0CNY+cToFllx1Hq2PYO8VUmPbfzFLazfsF/pYWC/d:yl0JEglon/yDKfzFLazk76QDPQ8GDietype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F674FC68A3E310C1D86699B87183B3DB843A3064BA731596DB121795CE29F80D77CDBFsha3_384: a8287b23072e568c844c1242d89a81f9d8909bf62f2619835cb9e9fce0a667942c06912377de1aca71a8e39be65457fdep_bytes: 6824124000e8f0ffffff000000000000timestamp: 1999-10-10 08:09:01

Version Info:

0: [No Data]

Win32/AutoRun.VB.YJ also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.VBKrypt.lkoQ
MicroWorld-eScan Gen:Variant.Barys.431203
FireEye Generic.mg.549e866d1dcf6651
CAT-QuickHeal Worm.VobfusMF.S22387715
Skyhigh BehavesLike.Win32.VBObfus.ft
McAfee Artemis!549E866D1DCF
Cylance unsafe
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus Trojan-Downloader ( 001ff72a1 )
K7GW Trojan-Downloader ( 001ff72a1 )
Cybereason malicious.3300b4
Arcabit Trojan.Barys.D69463
Baidu Win32.Worm.AutoRun.cj
VirIT Trojan.Win32.VBCrypt.A
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/AutoRun.VB.YJ
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Malware.Vobfus-9806879-0
Kaspersky Worm.Win32.Vobfus.dhos
BitDefender Gen:Variant.Barys.431203
NANO-Antivirus Trojan.Win32.Vobfus.cojbpg
Avast Win32:VB-QRI [Drp]
Tencent Win32.Worm.Vobfus.Rimw
Sophos Troj/VB-KVQ
F-Secure Trojan.TR/Patched.Ren.Gen
DrWeb Win32.HLLW.Autoruner.42131
VIPRE Gen:Variant.Barys.431203
Emsisoft Gen:Variant.Barys.431203 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Generic.arygj
Varist W32/Vobfus.O.gen!Eldorado
Avira TR/Patched.Ren.Gen
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.1000
Xcitium Worm.Win32.VB.YK@4on2wz
Microsoft Worm:Win32/Vobfus!pz
ViRobot Trojan.Win32.A.VBKrypt.258048.CN
ZoneAlarm Worm.Win32.Vobfus.dhos
GData Gen:Variant.Barys.431203
Google Detected
Acronis suspicious
BitDefenderTheta AI:Packer.31AC6A9F1E
ALYac Gen:Variant.Barys.431203
VBA32 Trojan.VBRA.07070
Malwarebytes Generic.Malware.AI.DDS
Panda Generic Malware
Rising Worm.Autorun!1.D163 (CLASSIC)
Yandex Trojan.GenAsa!kzGc1bM1Y3c
Ikarus Trojan.Win32.VBKrypt
Fortinet W32/AutoRun.XM!worm
AVG Win32:VB-QRI [Drp]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/AutoRun.VB.YJ?

  • 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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