Ransomware Research
FridayBoycrazy Ransomware
FridayBoycrazy is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- FridayBoycrazy
- First Seen
- March 1, 2024
How FridayBoycrazy Ransomware Works
File Encryption Patterns
FridayBoycrazy modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z-0-9]{4}$/Ransom Note and Payment Demands
After encrypting files, FridayBoycrazy displays ransom notes demanding payment for file recovery:
WarningRansom message:
notes/Warning
Note locations:
EveryFolderRansom message:
notes/zkn66kzl1.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with FridayBoycrazy ransomware:
SatanCE.exe
Elastio Can Help You
Don't let FridayBoycrazy ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This FridayBoycrazy 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 FridayBoycrazy.
Last updated: July 30, 2025