Ransomware Research
Kryptonite RBY Ransomware
Kryptonite RBY is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Kryptonite RBY
- First Seen
- September 1, 2017
How Kryptonite RBY Ransomware Works
File Encryption Patterns
Kryptonite RBY modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedRansom Note and Payment Demands
After encrypting files, Kryptonite RBY displays ransom notes demanding payment for file recovery:
Ransom message:
notes/wallpaper.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Kryptonite RBY ransomware:
Kryptonite.exekrypt.exe.blah
Elastio Can Help You
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About This Analysis
This Kryptonite RBY 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 Kryptonite RBY.
Last updated: July 30, 2025