CyberDrill2 Ransomware
CyberDrill2 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick facts
How CyberDrill2 ransomware works
File encryption patterns
CyberDrill2 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, CyberDrill2 displays ransom notes demanding payment for file recovery:
notes/READ_IT.txt
notes/note.txt
Technical indicators
Associated executable files
The following executable files are associated with CyberDrill2 ransomware:
- Cyberdrill_2.exe
- r33efthglm.exe
About this analysis
This CyberDrill2 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 CyberDrill2.
Last updated: December 30, 2025
Elastio detects CyberDrill2 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify CyberDrill2 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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