Categories: Malware

Troj/Emotet-COJ removal tips

The Troj/Emotet-COJ 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 Troj/Emotet-COJ virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Mimics the system’s user agent string for its own requests
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Deletes its original binary from disk
  • Attempts to remove evidence of file being downloaded from the Internet
  • Installs itself for autorun at Windows startup
  • Created a service that was not started

How to determine Troj/Emotet-COJ?


File Info:

crc32: EEEFEEBAmd5: 1629a361efd24d41f1445bd4a681d06aname: 1629A361EFD24D41F1445BD4A681D06A.mlwsha1: 67633a6741eab0fab24c8afc988623aaa4040fb7sha256: 95569eba1495c0e763c8c301a875f207fd7b44c1b37c56ac3c4441aca68cef6bsha512: 478b1412ff39bf3a6b5393b86a61527381012ba51d617203b087b17bb570cf9aa04c969a82e54d192c28b3faad29116c34636188e3f28d95b6c269588584a81cssdeep: 3072:/t0kQHEE+CXFaWoBclgQ0S7kNNcaxVTOVi6WXJs+u:wENVW0BS7qcaxKizGtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2003 Ariel ProductionsInternalName: Advanced Window SystemFileVersion: 1, 0, 0, 1CompanyName: Ariel ProductionsPrivateBuild: LegalTrademarks: UltimaX, Ariel Productions - All Rights ReservedComments: Programmer - James DoughertyProductName: Ariel Productions Advanced Window SystemSpecialBuild: ProductVersion: 1, 0, 0, 1FileDescription: Advanced Window SystemOriginalFilename: Advanced Window System.exeTranslation: 0x0409 0x04b0

Troj/Emotet-COJ also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Emotet.1027
MicroWorld-eScan Trojan.Agent.EWTQ
McAfee Emotet-FSD!1629A361EFD2
Malwarebytes Trojan.Emotet
K7AntiVirus Riskware ( 0040eff71 )
K7GW Trojan ( 00577e111 )
Cybereason malicious.1efd24
Cyren W32/Emotet.ATB.gen!Eldorado
APEX Malicious
Kaspersky HEUR:Trojan-Banker.Win32.Emotet.pef
BitDefender Trojan.Agent.EWTQ
NANO-Antivirus Trojan.Win32.Emotet.hvsoti
Avast Win32:BankerX-gen [Trj]
Rising Trojan.Kryptik!8.8 (TFE:6:NyO8o4egHmT)
Ad-Aware Trojan.Agent.EWTQ
TACHYON Trojan/W32.Agent.155648.CEZ
Emsisoft Trojan.Emotet (A)
F-Secure Trojan.TR/AD.Emotet.gfy
VIPRE Trojan.Win32.Generic!BT
FireEye Trojan.Agent.EWTQ
Sophos Troj/Emotet-COJ
GData Trojan.Agent.EWTQ
Jiangmin Trojan.Banker.Emotet.oov
Avira TR/AD.Emotet.gfy
Antiy-AVL Trojan[Banker]/Win32.Emotet
Gridinsoft Ransom.Win32.Wacatac.oa!s1
Arcabit Trojan.Agent.EWTQ
ViRobot Trojan.Win32.Emotet.155648.W
ZoneAlarm HEUR:Trojan-Banker.Win32.Emotet.pef
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Emotet.R351948
VBA32 BScope.Trojan.Zenpak
ALYac Trojan.Agent.Emotet
MAX malware (ai score=83)
ESET-NOD32 Win32/Emotet.CB
TrendMicro-HouseCall TrojanSpy.Win32.EMOTET.SMD4.hp
Tencent Malware.Win32.Gencirc.10ce0574
Fortinet W32/Emotet.1028!tr
AVG Win32:BankerX-gen [Trj]
Panda Trj/Genetic.gen
MaxSecure Trojan.Malware.11417434.susgen

How to remove Troj/Emotet-COJ?

  • 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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