Malware

How to remove “Win32:AutoRun-COJ [Trj]”?

Malware Removal

The Win32:AutoRun-COJ [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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Win32:AutoRun-COJ [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:AutoRun-COJ [Trj]?


File Info:

name: E23EAAEE51C3A91AB62D.mlw
path: /opt/CAPEv2/storage/binaries/3ed67b63cb3bd53bc51152c5f5d69ef21b4f1dd218d7175e2953a9a0221f4201
crc32: 2AE7ED31
md5: e23eaaee51c3a91ab62d50550633d7b7
sha1: 56984cc74344b5a8e3f8e70bfe1045db8debee43
sha256: 3ed67b63cb3bd53bc51152c5f5d69ef21b4f1dd218d7175e2953a9a0221f4201
sha512: d9948b106ed8379d3d0f78ad4b86f0248ce84a9d739589c6fdc51ab6f6876599af39013c68bc552c6c0815e7297f77ab2f57424337d4e2e70fa7f6c52261fd96
ssdeep: 6144:1jGDh4jLt4NVcWgyGELwXiS8T+bbhn7aRjS5ZgBbT:lGWntWyD1LiS8lS5ZI
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15D3494157280F73ED925C6F43D5A8390A43AED3215A5AC07F6D26F2A73B1D97E221323
sha3_384: 07e132b82afab94318ffce5a0d015f499bae4a1a1a486f372c976bc734ba6ab2b9b21f964368ca0d3c67fc1e133f7391
ep_bytes: 685c414000e8f0ffffff000000000000
timestamp: 2012-01-18 19:54:22

Version Info:

Translation: 0x0409 0x04b0
ProductName: CAixqyRS
FileVersion: 1.00
ProductVersion: 1.00
InternalName: zmnBfjkh
OriginalFilename: zmnBfjkh.exe

Win32:AutoRun-COJ [Trj] also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Chinky.7
FireEyeGeneric.mg.e23eaaee51c3a91a
CAT-QuickHealTrojan.Beebone.D
SkyhighBehavesLike.Win32.VBObfus.dm
ALYacGen:Variant.Chinky.7
Cylanceunsafe
ZillyaWorm.Vobfus.Win32.1522812
SangforSuspicious.Win32.Save.vb
AlibabaMalware:Win32/km_2ff5.None
K7GWEmailWorm ( 0054d10f1 )
K7AntiVirusEmailWorm ( 0054d10f1 )
BitDefenderThetaGen:NN.ZevbaF.36802.om0@a4L7Kyoi
VirITTrojan.Win32.Zyx.HJ
SymantecW32.Changeup
ESET-NOD32Win32/Pronny.AC
APEXMalicious
TrendMicro-HouseCallWORM_VOBFUS.SMAB
ClamAVWin.Trojan.Vobfus-30
KasperskyWorm.Win32.Vobfus.dezg
BitDefenderGen:Variant.Chinky.7
NANO-AntivirusTrojan.Win32.Diple.covlai
AvastWin32:AutoRun-COJ [Trj]
TencentWorm.Win32.Vobfus.kad
TACHYONWorm/W32.Vobfus.233472.C
SophosW32/SillyFDC-GX
BaiduWin32.Worm.Pronny.d
F-SecureTrojan.TR/VB.Agent.auoa
DrWebTrojan.VbCrypt.60
VIPREGen:Variant.Chinky.7
TrendMicroWORM_VOBFUS.SMAB
Trapminesuspicious.low.ml.score
EmsisoftGen:Variant.Chinky.7 (B)
SentinelOneStatic AI – Malicious PE
JiangminWorm.Vobfus.kwzs
GoogleDetected
AviraTR/VB.Agent.auoa
VaristW32/VBcrypt.T.gen!Eldorado
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
MicrosoftWorm:Win32/Vobfus!pz
XcitiumTrojWare.Win32.Diple.EMIB@4pez3w
ArcabitTrojan.Chinky.7
ViRobotTrojan.Win32.A.Diple.233472.K
ZoneAlarmWorm.Win32.Vobfus.dezg
GDataGen:Variant.Chinky.7
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Menti.R20177
Acronissuspicious
McAfeeVBObfus.cm
MAXmalware (ai score=82)
VBA32BScope.Trojan.Diple
MalwarebytesPronny.Worm.Spreader.DDS
PandaW32/Vobfus.GEV.worm
RisingWorm.VobfusEx!1.99DB (CLASSIC)
YandexTrojan.GenAsa!SbK12zg9s+k
IkarusWorm.Win32.Vobfus
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Jorik_Vobfus.FELF!tr
AVGWin32:AutoRun-COJ [Trj]
DeepInstinctMALICIOUS
alibabacloudTrojan:Win/Vobfus.da1f9077

How to remove Win32:AutoRun-COJ [Trj]?

Win32:AutoRun-COJ [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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