Ransomware Research
DataLeak Ransomware
DataLeak is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- DataLeak
- First Seen
- June 1, 2025
How DataLeak Ransomware Works
File Encryption Patterns
DataLeak modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..dataleak1Ransom Note and Payment Demands
After encrypting files, DataLeak displays ransom notes demanding payment for file recovery:
READ_NOTE.htmlRansom message:
notes/READ_NOTE.html
Note locations:
EveryFolderRansom message:
notes/output.png
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with DataLeak ransomware:
dataleak1.exe
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About This Analysis
This DataLeak 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 DataLeak.
Last updated: July 30, 2025