- Home
- Detectable Ransomware
- Bitcoin666
Ransomware Research
Bitcoin666 Ransomware
Bitcoin666 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Bitcoin666
- First Seen
- April 1, 2019
How Bitcoin666 Ransomware Works
File Encryption Patterns
Bitcoin666 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..bitcoin666@cock.li.word
Ransom Note and Payment Demands
After encrypting files, Bitcoin666 displays ransom notes demanding payment for file recovery:
Recover Files.TXT
Ransom message:
notes/Recover Files.TXT
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with Bitcoin666 ransomware:
bitcoin666.exe
Elastio Can Help You
Don't let Bitcoin666 ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Bitcoin666 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 Bitcoin666.
Last updated: July 30, 2025