Ransomware Research
WhyCry Ransomware
WhyCry is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- WhyCry
- First Seen
- June 1, 2017
How WhyCry Ransomware Works
File Encryption Patterns
WhyCry modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..whycryRansom Note and Payment Demands
After encrypting files, WhyCry displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with WhyCry ransomware:
WhyCry-Ransomware.exeWHY CRY.binWhyCry Ransomware.exeWhy-Cry.exe
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About This Analysis
This WhyCry 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 WhyCry.
Last updated: July 30, 2025