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Ransomware Research
Coin Locker Ransomware
Coin Locker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2015, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: CoinLocker.
Quick Facts
- Ransomware Family
- Coin Locker
- First Seen
- February 1, 2015
- Known Aliases
- CoinLocker
How Coin Locker Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Coin Locker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encrypted
Ransom Note and Payment Demands
After encrypting files, Coin Locker displays ransom notes demanding payment for file recovery:
Coin.Locker.txt
Ransom message:
notes/Coin.Locker.txt
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About This Analysis
This Coin Locker 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 Coin Locker.
Last updated: July 30, 2025