fileREADME_NOVA.me
notes/README_NOVA.me
Ransomware Research
Nova Ransomware
Nova is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2026, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- Nova
- First Seen
- February 1, 2026
How Nova ransomware works
File modification behavior
Nova updates file modification timestamps after encryption.
File encryption patterns
Nova modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- ./\.\w{8}$/
Ransom note and payment demands
After encrypting files, Nova displays ransom notes demanding payment for file recovery:
Technical indicators
Associated executable files
The following executable files are associated with Nova ransomware:
- hsn25t2.exe
- nova-encryptor.exe
About this analysis
This Nova 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 Nova.
Detection coverage
Elastio detects Nova inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Nova 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.