Ransomware Research
NETCrypton Ransomware
NETCrypton is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Crypton.NET.
Quick Facts
- Ransomware Family
- NETCrypton
- First Seen
- November 1, 2017
- Known Aliases
- Crypton.NET
How NETCrypton Ransomware Works
File Encryption Patterns
NETCrypton modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encrptdRansom Note and Payment Demands
After encrypting files, NETCrypton displays ransom notes demanding payment for file recovery:
Ransom message:
notes/Crypton.bmp
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with NETCrypton ransomware:
EaseUSDataRecovery.exe
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About This Analysis
This NETCrypton 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 NETCrypton.
Last updated: July 30, 2025