Ransomware Research
CrazyCrypt Ransomware
CrazyCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Crazy NotDharma.
Quick Facts
- Ransomware Family
- CrazyCrypt
- First Seen
- February 1, 2019
- Known Aliases
- Crazy NotDharma
How CrazyCrypt Ransomware Works
Targeted Files
Full format of extension for encrypted files -> .id.9AAE9C16.[pagar40br@gmail.com] 4d0d2f0e7000be7dbafa95adb3886ab0b07b148079360bd779ab3d365a6d0653 -> 5 min delay before encryption
File Encryption Patterns
CrazyCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..crazy..[pagar40br@gmail.com]Ransom Note and Payment Demands
After encrypting files, CrazyCrypt displays ransom notes demanding payment for file recovery:
FILES ENCRYPTED.txtRansom message:
notes/FILES ENCRYPTED.txt
Note locations:
DesktopRansom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with CrazyCrypt ransomware:
user.exeShockwave.exeCrazyCrypt.exe
Elastio Can Help You
Don't let CrazyCrypt ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This CrazyCrypt 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 CrazyCrypt.
Last updated: July 30, 2025