Retch Ransomware
Retch is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick facts
How Retch ransomware works
File encryption patterns
Retch modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Retch displays ransom notes demanding payment for file recovery:
notes/HOW TO RECOVER YOUR FILES.txt
Technical indicators
Associated executable files
The following executable files are associated with Retch ransomware:
- teste25.exe
About this analysis
This Retch 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 Retch.
Last updated: December 30, 2025
Elastio detects Retch inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Retch 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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