Ransomware Research
7z Portuguese Ransomware
7z Portuguese is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- 7z Portuguese
- First Seen
- June 1, 2017
How 7z Portuguese Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
7z Portuguese modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..7zRansom Note and Payment Demands
After encrypting files, 7z Portuguese displays ransom notes demanding payment for file recovery:
READ ME.txtRansom message:
notes/READ ME.txt
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About This Analysis
This 7z Portuguese 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 7z Portuguese.
Last updated: July 30, 2025