Categories: Trojan

How to remove “Trojan.Win32.Cosmu.btcr”?

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

  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Attempts to masquerade or mimic a legitimate process or file name
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Trojan.Win32.Cosmu.btcr?


File Info:

name: 260B7D2CB57079455E4E.mlwpath: /opt/CAPEv2/storage/binaries/16d975cb09ca14907646836329bb4a800d7b687994b76d0057fa5d2948f8d5a8crc32: 3AE33AD9md5: 260b7d2cb57079455e4e616edf9897a1sha1: 5ac15a25c9f5d50d0a18cf4de9fc2c1dcfc0d12esha256: 16d975cb09ca14907646836329bb4a800d7b687994b76d0057fa5d2948f8d5a8sha512: f79c54d04b25ca8cf4fc6120b8afbe911c7e9199b3a5f4786e158c60d99fc1b7449b82200c2d561c3d216a23f2dd635c626151a36283c2cd15606be11c497580ssdeep: 6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYU:v6Wq4aaE6KwyF5L0Y2D1PqLVtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A65423EF72A4E902D8B80272FA930391C1E07931AB78DB7B71507A076CAF0156E6775Dsha3_384: 0dca450d185f2437c5d68bc50c3bcc9739f88406e3cc7f2ce3878c07f72f79e3758ea869683fdc769df2750e23d3ca77ep_bytes: 60be007047008dbe00a0f8ff57eb0b90timestamp: 2012-01-29 21:32:28

Version Info:

FileDescription: FileVersion: 3, 3, 8, 1CompiledScript: AutoIt v3 Script: 3, 3, 8, 1Translation: 0x0809 0x04b0

Trojan.Win32.Cosmu.btcr also known as:

Lionic Worm.Win32.Generic.lXua
MicroWorld-eScan Trojan.Generic.8121236
ClamAV Win.Malware.Autoit-6981134-0
FireEye Trojan.Generic.8121236
CAT-QuickHeal Trojan.AutoIt.Pistolar.A
ALYac Trojan.Generic.8121236
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 700000111 )
Alibaba TrojanDropper:Win32/Cosmu.0b194391
K7GW Trojan ( 700000111 )
CrowdStrike win/malicious_confidence_100% (W)
Baidu AutoIt.Worm.Agent.a
VirIT Trojan.Win32.Autoit.ES
Cyren W32/AutoIt.AK.gen!Eldorado
Symantec W32.SillyFDC
Elastic malicious (moderate confidence)
ESET-NOD32 Win32/Autoit.HZ
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Cosmu.btcr
BitDefender Trojan.Generic.8121236
NANO-Antivirus Trojan.Script.AutoIt.dbycns
Avast AutoIt:Agent-DP [Trj]
Ad-Aware Trojan.Generic.8121236
Emsisoft Trojan.Generic.8121236 (B)
Comodo TrojWare.Win32.Autoit.n@4p0xzq
DrWeb Trojan.MulDrop3.52876
VIPRE Trojan.Generic.8121236
McAfee-GW-Edition BehavesLike.Win32.Yahlover.dc
Trapmine malicious.high.ml.score
Sophos ML/PE-A + W32/AutoIt-QA
Ikarus Trojan.Win32.Autoit
GData Trojan.Generic.8121236
Jiangmin Trojan.MSIL.Zapchast.ag
Avira TR/Rogue.JH.7554630
Antiy-AVL Trojan/Generic.ASSuf.28B1F
Microsoft Trojan:Win32/Wacatac.B!ml
Google Detected
AhnLab-V3 Win-Trojan/Autoit.305824
McAfee W32/Yahlover.worm.gen.q
MAX malware (ai score=100)
VBA32 Worm.Autoit.Rush
Malwarebytes Generic.Trojan.Dropper.DDS
Rising Dropper.Pistolar/Autoit!1.A603 (CLASSIC)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Autoit.HZ!worm
BitDefenderTheta AI:Packer.05DA809615
AVG AutoIt:Agent-DP [Trj]
Cybereason malicious.cb5707
Panda Trj/Autoit.gen

How to remove Trojan.Win32.Cosmu.btcr?

  • 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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