filelockdatareadme.txt
notes/lockdatareadme.txt
Location: EveryFolder
Ransomware Research
Warlock Ransomware
Warlock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- Warlock
- First Seen
- December 1, 2025
How Warlock ransomware works
File modification behavior
Warlock updates file modification timestamps after encryption.
File encryption patterns
Warlock modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .LOCKJ
- .x2anylock
Ransom note and payment demands
After encrypting files, Warlock displays ransom notes demanding payment for file recovery:
fileHow To Restore Your Files.txt
notes/How To Restore Your Files.txt
Location: EveryFolder
Technical indicators
Associated executable files
The following executable files are associated with Warlock ransomware:
- 9a8u1oaj.exe
About this analysis
This Warlock 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 Warlock.
Detection coverage
Elastio detects Warlock inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Warlock 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.