Ransomware Research
Rektware Ransomware
Rektware is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: PRZT.
Quick Facts
- Ransomware Family
- Rektware
- First Seen
- September 1, 2018
- Known Aliases
- PRZT
How Rektware Ransomware Works
Targeted Files
https://app.any.run/tasks/89620283-5fc8-400d-83ff-b5aad37c7731/ https://app.any.run/tasks/0ae77e09-02fa-4e0b-a28d-62cd429ec3dd/ https://app.any.run/tasks/8113005b-b258-466f-aeeb-685243757218/ Written in AutoIt
File Encryption Patterns
Rektware modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[A-Za-z0-9]{7}$/..xd..HaHaHaHaHaHaHaHaRansom Note and Payment Demands
After encrypting files, Rektware displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with Rektware ransomware:
Rektware.exemyfile.exeRansomware.exe
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About This Analysis
This Rektware 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 Rektware.
Last updated: July 30, 2025