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Ransomware Research
NyanWare Ransomware
NyanWare is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2026, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- NyanWare
- First Seen
- April 1, 2026
How NyanWare ransomware works
File modification behavior
NyanWare updates file modification timestamps after encryption.
File encryption patterns
NyanWare modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .nyan
Ransom note and payment demands
After encrypting files, NyanWare displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with NyanWare ransomware:
- NyanWare.exe
About this analysis
This NyanWare ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like NyanWare.
Detection coverage
Elastio detects NyanWare inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify NyanWare across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.