Ransomware Research
Koxic Ransomware
Koxic is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Koxic Doxware.
Quick Facts
- Ransomware Family
- Koxic
- First Seen
- September 1, 2021
- Known Aliases
- Koxic Doxware
How Koxic Ransomware Works
File Encryption Patterns
Koxic modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.KOXIC_[A-Z]{5}/Ransom Note and Payment Demands
After encrypting files, Koxic displays ransom notes demanding payment for file recovery:
/WANNA_RECOVER_KOXIC_FILEZ_[A-Z]{5}\.txt/Ransom message:
notes/WANNA_RECOVER_KOXIC_FILEZ_VBDSD.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Koxic ransomware:
rel_enc.exe_enc.exe
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About This Analysis
This Koxic 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 Koxic.
Last updated: July 30, 2025