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Ransomware Research
DonnaRenniCrypt Ransomware
DonnaRenniCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2022, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- DonnaRenniCrypt
- First Seen
- March 1, 2022
How DonnaRenniCrypt Ransomware Works
File Encryption Patterns
DonnaRenniCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..crypt
Ransom Note and Payment Demands
After encrypting files, DonnaRenniCrypt displays ransom notes demanding payment for file recovery:
WARNING.txt
Ransom message:
notes/WARNING.txt
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About This Analysis
This DonnaRenniCrypt 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 DonnaRenniCrypt.
Last updated: July 30, 2025