Ransomware Research
LonleyCrypt Ransomware
LonleyCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- LonleyCrypt
- First Seen
- September 1, 2019
How LonleyCrypt Ransomware Works
Targeted Files
No ransom note. Some text in Chinese
File Encryption Patterns
LonleyCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..LonleyEncryptedFileElastio Can Help You
Don't let LonleyCrypt ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This LonleyCrypt 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 LonleyCrypt.
Last updated: July 30, 2025