Ransomware Research
SplinterJoke Ransomware
SplinterJoke is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- SplinterJoke
- First Seen
- May 1, 2021
How SplinterJoke Ransomware Works
File Encryption Patterns
SplinterJoke modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..SplinterJokeRansom Note and Payment Demands
After encrypting files, SplinterJoke displays ransom notes demanding payment for file recovery:
ransom_note.txtRansom message:
notes/ransom_note.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with SplinterJoke ransomware:
SplinterJoke.exebackup.exe
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About This Analysis
This SplinterJoke 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 SplinterJoke.
Last updated: July 30, 2025