Ransomware Research
CryptoShocker Ransomware
CryptoShocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- CryptoShocker
- First Seen
- June 1, 2016
How CryptoShocker Ransomware Works
Targeted Files
NOSAMPLE https://www.bleepingcomputer.com/forums/t/617601/cryptoshocker-ransomware-help-and-support-topic-locked-attentionurl/
File Encryption Patterns
CryptoShocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, CryptoShocker displays ransom notes demanding payment for file recovery:
Attention.urlNote locations:
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About This Analysis
This CryptoShocker 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 CryptoShocker.
Last updated: July 30, 2025