Ransomware Research
Brazilian Ransomware
Brazilian is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2015, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Brazilian
- First Seen
- December 1, 2015
How Brazilian Ransomware Works
File Encryption Patterns
Brazilian modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockRansom Note and Payment Demands
After encrypting files, Brazilian displays ransom notes demanding payment for file recovery:
MENSAGEM.txtRansom message:
notes/MENSAGEM.txt
Note locations:
DesktopRansom message:
notes/note.txt
Note locations:
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About This Analysis
This Brazilian 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 Brazilian.
Last updated: July 30, 2025