Ransomware Research
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
- Ransomware Family
- CyberDrill2
- First Seen
- September 1, 2017
How CyberDrill2 Ransomware Works
Targeted Files
Encrypts Desktop\Cyberdrill2 folder only Ransom note in the same folder Current sample contains SlowlorisAttack
File Encryption Patterns
CyberDrill2 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cyberdrillRansom Note and Payment Demands
After encrypting files, CyberDrill2 displays ransom notes demanding payment for file recovery:
READ_IT.txtRansom message:
notes/READ_IT.txt
Note locations:
DesktopRansom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with CyberDrill2 ransomware:
Cyberdrill_2.exer33efthglm.exe
Elastio Can Help You
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About This Analysis
This CyberDrill2 ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like CyberDrill2.
Last updated: July 30, 2025