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