Trojan

Trojan.Win32.Cosmu (file analysis)

Malware Removal

The Trojan.Win32.Cosmu 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.Cosmu virus can do?

  • Sample contains Overlay data
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine Trojan.Win32.Cosmu?


File Info:

name: C9855BE101A8893E4B42.mlw
path: /opt/CAPEv2/storage/binaries/cc25ea0d0219cb2df4f08b03e32a2606f16b20f48dcbd7881751c56be2f525ec
crc32: 53200065
md5: c9855be101a8893e4b4229612e40c60a
sha1: 714870c52c14313042952b5281209b183c079e54
sha256: cc25ea0d0219cb2df4f08b03e32a2606f16b20f48dcbd7881751c56be2f525ec
sha512: 439a172d9185a67aac9197c16cfb92c0e35ccb1e3e9f54682ac5c4fe1f71f21d2740a9d6b28687395d675df137c635e143d4f095ef9a02812e2f8bb41c7c2d9b
ssdeep: 3072:ygV7qR3tGXRvjxCb5NgXDY7uilkJcUa7kYQTcqW2NdQQGH/UDhSCUc4aqTBrgmQL:LVXlKgzOlZNQSBQGH/CSpWqTKmQpmQ1
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10D54E1057DB3D4B3E041497189A68BD1BB7F6C0379A1D11FFF580A4B1EB02984AA63AD
sha3_384: f1b29ee3a5e742d70efc94382d9eab8a935a306b7a65da1bb28048587c3d0de10f6c3332d89c6ee86f2581b3aa2b35e2
ep_bytes: e812470000e916feffff55545d81ec28
timestamp: 2008-09-27 04:51:42

Version Info:

CompanyName: Microsoft Corporation
FileDescription: Microsoft Application Error Reporting
FileVersion: 11.0.8160
InternalName: DW20
LegalCopyright: Copyright © 1999-2003 Microsoft Corporation. All rights reserved.
LegalTrademarks1: Microsoft® is a registered trademark of Microsoft Corporation.
LegalTrademarks2: Windows® is a registered trademark of Microsoft Corporation.
OriginalFilename: DW20.Exe
ProductName: Microsoft Application Error Reporting
ProductVersion: 11.0.8160
Translation: 0x0000 0x04e4

Trojan.Win32.Cosmu also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Cosmu.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.98676
FireEyeGeneric.mg.c9855be101a8893e
CAT-QuickHealTrojan.CosmuRI.S10808321
ALYacTrojan.GenericKDZ.98676
MalwarebytesGeneric.Trojan.Malicious.DDS
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.101a88
ArcabitTrojan.Generic.D18174
BitDefenderThetaGen:NN.ZexaF.36250.sy3@au5Bi7
VirITTrojan.Win32.Generic.BERI
CyrenW32/Cosmu.J.gen!Eldorado
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/Agent.NLP
APEXMalicious
ClamAVWin.Worm.Generic-9786786-0
KasperskyHEUR:Trojan.Win32.Cosmu.gen
BitDefenderTrojan.GenericKDZ.98676
NANO-AntivirusTrojan.Win32.Midie.idspbm
AvastWin32:TrojanX-gen [Trj]
TencentTrojan.Win32.Cosmu.c
EmsisoftTrojan.GenericKDZ.98676 (B)
BaiduWin32.Worm.Agent.bg
F-SecureWorm.WORM/Agent.2170901
DrWebWin32.HLLW.Siggen.10550
VIPRETrojan.GenericKDZ.98676
McAfee-GW-EditionBehavesLike.Win32.Generic.dh
Trapminemalicious.high.ml.score
SophosW32/Renamer-V
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Cosmu.acv
GoogleDetected
AviraWORM/Agent.2170901
MAXmalware (ai score=83)
Antiy-AVLGrayWare/Win32.Agent.nlp
XcitiumWorm.Win32.Agent.NLPA@4t56ql
MicrosoftVirus:Win32/Emdup.A
ZoneAlarmHEUR:Trojan.Win32.Cosmu.gen
GDataWin32.Trojan.PSE.10GH0WT
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Cosmu.R355421
Acronissuspicious
McAfeeGeneric-FAEY!C9855BE101A8
VBA32BScope.Trojan.Sabsik.FL
Cylanceunsafe
PandaTrj/Genetic.gen
ZonerTrojan.Win32.82524
RisingWorm.Agent!1.DAFA (CLASSIC)
YandexWorm.Agent!e/0aow2fYno
IkarusWorm.Agent
MaxSecureTrojan.Malware.7164915.susgen
FortinetW32/Agent.NLP!worm
AVGWin32:TrojanX-gen [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan.Win32.Cosmu?

Trojan.Win32.Cosmu 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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