Ransomware Research
NIGHT CROW Ransomware
NIGHT CROW is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- NIGHT CROW
- First Seen
- September 1, 2023
How NIGHT CROW Ransomware Works
File Encryption Patterns
NIGHT CROW modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..NIGHT_CROWRansom Note and Payment Demands
After encrypting files, NIGHT CROW displays ransom notes demanding payment for file recovery:
NIGHT_CROW_RECOVERY.txtRansom message:
notes/NIGHT_CROW_RECOVERY.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with NIGHT CROW ransomware:
execute.exesvchost.exe
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About This Analysis
This NIGHT CROW 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 NIGHT CROW.
Last updated: July 30, 2025