Ransomware Research
CrY-TrOwX Ransomware
CrY-TrOwX is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: CrY.
Quick Facts
- Ransomware Family
- CrY-TrOwX
- First Seen
- December 1, 2017
- Known Aliases
- CrY
How CrY-TrOwX Ransomware Works
File Encryption Patterns
CrY-TrOwX modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, CrY-TrOwX displays ransom notes demanding payment for file recovery:
/^READ_AND_CRY_\w+\.txt$/Ransom message:
notes/READ_AND_CRY_l3k5pJ2t.txt
Note locations:
DesktopRansom message:
notes/CrY.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with CrY-TrOwX ransomware:
CrY.exe
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About This Analysis
This CrY-TrOwX 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 CrY-TrOwX.
Last updated: July 30, 2025