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Ransomware Research
cursoDFIR Ransomware
cursoDFIR is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- cursoDFIR
- First Seen
- March 1, 2024
How cursoDFIR Ransomware Works
File Encryption Patterns
cursoDFIR modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cursoDFIR
Ransom Note and Payment Demands
After encrypting files, cursoDFIR displays ransom notes demanding payment for file recovery:
meleaicara.txt
Ransom message:
notes/meleaicara.txt
Note locations:
EveryFolder
Ransom message:
notes/txkbsclcr.jpg
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with cursoDFIR ransomware:
Office2023.exe
cursoDFIR
svchost.exe
Elastio Can Help You
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About This Analysis
This cursoDFIR 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 cursoDFIR.
Last updated: July 30, 2025