ArisLocker Ransomware
ArisLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Aris Locker.
Quick facts
How ArisLocker ransomware works
File encryption patterns
ArisLocker modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, ArisLocker displays ransom notes demanding payment for file recovery:
notes/readme.txt
About this analysis
This ArisLocker 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 ArisLocker.
Last updated: December 30, 2025
Elastio detects ArisLocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify ArisLocker 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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