Ransomware Research
Noctua Ransomware
Noctua is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2022, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Noctua
- First Seen
- April 1, 2022
How Noctua Ransomware Works
Targeted Files
Full extension -> .[7E40E7FB].[noctua0302@goat.si].noctua
File Encryption Patterns
Noctua modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..noctuaRansom Note and Payment Demands
After encrypting files, Noctua displays ransom notes demanding payment for file recovery:
readme-warning.txtRansom message:
notes/readme-warning.txt
Note locations:
EveryFolderElastio Can Help You
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About This Analysis
This Noctua 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 Noctua.
Last updated: July 30, 2025