Ransomware Research
Cpyt Ransomware
Cpyt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Cpyt
- First Seen
- January 1, 2023
How Cpyt Ransomware Works
Targeted Files
encrypted_files.txt on the Desktop
File Encryption Patterns
Cpyt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cpytRansom Note and Payment Demands
After encrypting files, Cpyt displays ransom notes demanding payment for file recovery:
Read me.txtRansom message:
notes/Read me.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Cpyt ransomware:
yroctp.exe
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About This Analysis
This Cpyt 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 Cpyt.
Last updated: July 30, 2025