Ransomware Research
Defi Ransomware
Defi is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Defi
- First Seen
- October 1, 2024
How Defi Ransomware Works
Targeted Files
Full extension -> .[7E40E7FB].[wewillrestoreyou@cyberfear.com].defi1328
File Encryption Patterns
Defi modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..defi1328Ransom Note and Payment Demands
After encrypting files, Defi displays ransom notes demanding payment for file recovery:
+README-WARNING+.txtRansom message:
notes/+README-WARNING+.txt
Note locations:
EveryFolderRansom message:
notes/C8E5.png
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Defi ransomware:
defi1328_visual.exe
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About This Analysis
This Defi 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 Defi.
Last updated: July 30, 2025