Ransomware Research

RedLocker Ransomware

RedLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
RedLocker
First Seen
December 1, 2024

How RedLocker ransomware works

File encryption patterns

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

Extensions added after encryption
.redlocker

Ransom note and payment demands

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

fileredlocker.bat
notes/note.txt
Location: EveryFolder
screenshot
notes/20250107124756.png
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with RedLocker ransomware:

About this analysis

This RedLocker 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 RedLocker.

Last updated: December 30, 2025

Detection coverage

Elastio detects RedLocker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify RedLocker 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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