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:

..lock

Ransom Note and Payment Demands

After encrypting files, Brazilian displays ransom notes demanding payment for file recovery:

fileMENSAGEM.txt

Ransom message:

notes/MENSAGEM.txt

Note locations:

Desktop
message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Elastio Can Help You

Don't let Brazilian ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

Learn MoreRequest a Demo

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

Recent Ransomware

Explore other threats in our database

View all ransomware