Ransomware Research
Motocos Ransomware
Motocos is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Motocos
- First Seen
- May 1, 2021
How Motocos Ransomware Works
Targeted Files
need access to network contains anti-vm (sleep 60sec)
File Encryption Patterns
Motocos modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..mo2Ransom Note and Payment Demands
After encrypting files, Motocos displays ransom notes demanding payment for file recovery:
Readme.txtRansom message:
notes/Readme.txt
Note locations:
RootDiscsDesktopMotocos_Readme.txtRansom message:
notes/Motocos_Readme.txt
Note locations:
RootDiscsDesktopRansomware_Readme.txtRansom message:
notes/Ransomware_Readme.txt
Note locations:
RootDiscsDesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Motocos ransomware:
taskhos.exe
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About This Analysis
This Motocos ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Motocos.
Last updated: July 30, 2025