Crypt0L0cker Ransomware
Crypt0L0cker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
How Crypt0L0cker ransomware works
File encryption patterns
Crypt0L0cker modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Crypt0L0cker displays ransom notes demanding payment for file recovery:
notes/COMMENT_RESTAURER_DES_FICHIERS.txt
notes/Wichtige Information zum Wiederherstellen der Daten.htm
notes/HOW_TO_RESTORE_FILES.txt
notes/DECRYPT_INSTRUCTIONS.TXT
notes/SIFRE_COZME_TALIMATI.txt
Technical indicators
Associated executable files
The following executable files are associated with Crypt0L0cker ransomware:
- oqezujlg.exe
- Send Bug Report
- file.exe
- file[1].exe
- aa
- VigXwo.vsd
- encrypt2.exe
- myfile.exe
About this analysis
This Crypt0L0cker 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 Crypt0L0cker.
Last updated: December 30, 2025
Elastio detects Crypt0L0cker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Crypt0L0cker 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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