Categories: Trojan

Trojan:Win32/Cozer.A!dha removal

The Trojan:Win32/Cozer.A!dha 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 Trojan:Win32/Cozer.A!dha virus can do?

  • Sample contains Overlay data
  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Uses Windows utilities to create a scheduled task
  • Behavioural detection: Injection (inter-process)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan:Win32/Cozer.A!dha?


File Info:

name: 90BD910EE161B71C7A37.mlwpath: /opt/CAPEv2/storage/binaries/ff9edb92ee8125519aa1eea60cab9999bcd4caa87b891882caddc73a2a5ae9cfcrc32: 7CEB15C5md5: 90bd910ee161b71c7a37ac642f910059sha1: 93d53be2c3e7961bc01e0bfa5065a2390305268csha256: ff9edb92ee8125519aa1eea60cab9999bcd4caa87b891882caddc73a2a5ae9cfsha512: 90a6c72147e75dd47d914987f38b31f384ff8f069ba967fc5e76032c54606bcb6dedea8b0630aede7daad703731c96c2c514ca65ed0239e5e4c074c003bd0773ssdeep: 24576:h35dPpXW2PPjglCyJNyBGBYsTnbFCeDxQHqK8:hBDMlCynyclCZ38type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19F455902994848AFD303C7331466A3D0D150A83F2A6F679A3D69711BFF7DD8BA1C275Asha3_384: bde2ee17bac3123196cc17a91223ae18d9f78cf56207269d0b9e741100d849a35f472b99162845046db4ad37a3a00e10ep_bytes: e8f0570000e978feffff8bff558bec56timestamp: 2013-07-26 07:53:37

Version Info:

0: [No Data]

Trojan:Win32/Cozer.A!dha also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.CozyDuke.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.90bd910ee161b71c
ALYac Trojan.Dropper.SFX
Cylance unsafe
Zillya Trojan.CozyDuke.Win32.21
Sangfor Trojan.Win32.APT29.IOC
K7AntiVirus Riskware ( 0040eff71 )
Alibaba Trojan:Win32/Cozer.777b5f2f
K7GW Riskware ( 0040eff71 )
Cybereason malicious.2c3e79
VirIT Backdoor.Win32.Generic.BVTE
Symantec Trojan.Dropper
ESET-NOD32 a variant of Win32/Cozer.D
APEX Malicious
ClamAV Win.Dropper.Cozybear-3
Kaspersky UDS:Trojan.Win32.CozyDuke.gen
BitDefender Gen:Variant.Midie.58686
NANO-Antivirus Trojan.Win32.Cozybear.dpusrt
MicroWorld-eScan Gen:Variant.Midie.58686
Tencent Win32.Trojan.Cozyduke.Cgow
Emsisoft Gen:Variant.Midie.58686 (B)
F-Secure Trojan-Dropper:W32/CozyDuke.C
DrWeb BackDoor.CozyDuke.15
VIPRE Gen:Variant.Midie.58686
TrendMicro BKDR_COZER.B
McAfee-GW-Edition Generic Trojan.bn
Trapmine malicious.moderate.ml.score
Sophos Mal/RarMal-H
Ikarus Trojan.Win32.Cozer
GData Gen:Variant.Midie.58686
Jiangmin Trojan.MSIL.akcou
Webroot W32.Trojan.GenKD
Avira HEUR/AGEN.1320145
Antiy-AVL Trojan[APT]/Win32.Apt29
Xcitium Malware@#2mvcf6fbtz3de
Arcabit Trojan.Midie.DE53E
ViRobot Dropper.S.CozyDuke.1176141
ZoneAlarm HEUR:Trojan.Win32.CozyDuke.gen
Microsoft Trojan:Win32/Cozer.gen.A!dha
Google Detected
AhnLab-V3 Trojan/Win32.Cozer.C820329
McAfee Generic Trojan.bn
MAX malware (ai score=100)
DeepInstinct MALICIOUS
VBA32 BScope.Trojan.CozyDuke
Malwarebytes Malware.AI.3183754212
Panda Trj/CI.A
TrendMicro-HouseCall BKDR_COZER.B
Rising Trojan.CozyDuke!8.5A5F (TFE:5:4MSTiO4zmcK)
Yandex Trojan.GenAsa!U7+dIZiQSsU
MaxSecure Trojan.Malware.8230505.susgen
Fortinet W32/Cozybear.H!tr
AVG Win32:CozyDuke-F [Cryp]
Avast Win32:CozyDuke-F [Cryp]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/Cozer.A!dha?

  • 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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