Ransomware Research
crYpt Ransomware
crYpt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- crYpt
- First Seen
- May 1, 2023
How crYpt Ransomware Works
File Encryption Patterns
crYpt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..crYpt
Ransom Note and Payment Demands
After encrypting files, crYpt displays ransom notes demanding payment for file recovery:
readme_for_unlock.txt
Ransom message:
notes/readme_for_unlock.txt
Note locations:
EveryFolder
Technical Indicators
Associated Executable Files
The following executable files are associated with crYpt ransomware:
77FE3F.exe
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About This Analysis
This crYpt 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 crYpt.
Last updated: July 30, 2025