Ransomware Research
Lock2017 Ransomware
Lock2017 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Lock2017
- First Seen
- February 1, 2017
How Lock2017 Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Lock2017 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
.__contact_me_lock2017@protonmail.com_or_lock2017@unseen.isRansom Note and Payment Demands
After encrypting files, Lock2017 displays ransom notes demanding payment for file recovery:
README.TXTRansom message:
notes/README.TXT
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About This Analysis
This Lock2017 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 Lock2017.
Last updated: July 30, 2025