Ransomware Research
UltraCrypter Ransomware
UltraCrypter 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
- UltraCrypter
- First Seen
- June 1, 2016
How UltraCrypter Ransomware Works
File Encryption Patterns
UltraCrypter modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
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About This Analysis
This UltraCrypter 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 UltraCrypter.
Last updated: July 30, 2025