Ransomware Research
NMoreira Ransomware
NMoreira is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Fake Maktub.
Quick Facts
- Ransomware Family
- NMoreira
- First Seen
- November 1, 2016
- Known Aliases
- Fake Maktub
How NMoreira Ransomware Works
File Encryption Patterns
NMoreira modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..maktubRansom Note and Payment Demands
After encrypting files, NMoreira displays ransom notes demanding payment for file recovery:
Recupere seus arquivos. Leia-me!.txtRansom message:
notes/Recupere seus arquivos. Leia-me!.txt
Note locations:
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About This Analysis
This NMoreira 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 NMoreira.
Last updated: July 30, 2025