Ransomware Research

Rever Ransomware

Rever is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2022, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Rever
First Seen
July 1, 2022

How Rever ransomware works

File encryption patterns

Rever modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.rever./\.[0-9A-F]{8}/

Ransom note and payment demands

After encrypting files, Rever displays ransom notes demanding payment for file recovery:

fileREADME_recovery.txt
notes/README_recovery.txt
file@@@ To Restore Your Files.txt
notes/@@@ To Restore Your Files.txt

About this analysis

This Rever 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 Rever.

Last updated: December 30, 2025

Detection coverage

Elastio detects Rever inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Rever 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.

See How the Hunt Engine WorksRequest a Demo

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