Ransomware Research
BtcKING Ransomware
BtcKING is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- BtcKING
- First Seen
- June 1, 2018
How BtcKING Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
BtcKING modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..BtcKINGRansom Note and Payment Demands
After encrypting files, BtcKING displays ransom notes demanding payment for file recovery:
How To Decode Files.txtRansom message:
notes/How To Decode Files.txt
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About This Analysis
This BtcKING 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 BtcKING.
Last updated: July 30, 2025