PySimCrypt Ransomware
PySimCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
Ransom note and payment demands
After encrypting files, PySimCrypt displays ransom notes demanding payment for file recovery:
notes/README.txt
About this analysis
This PySimCrypt 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 PySimCrypt.
Last updated: December 30, 2025
Elastio detects PySimCrypt inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify PySimCrypt across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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