Ransomware Research
Covid29 Ransomware
Covid29 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Covid29
- First Seen
- January 1, 2023
How Covid29 Ransomware Works
Targeted Files
Destroys MBR
File Encryption Patterns
Covid29 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z]{4}\b/Ransom Note and Payment Demands
After encrypting files, Covid29 displays ransom notes demanding payment for file recovery:
covid29-is-here.txtRansom message:
notes/covid29-is-here.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Covid29 ransomware:
Covid29 Ransomware.zip
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About This Analysis
This Covid29 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 Covid29.
Last updated: July 30, 2025