Ransomware Research
UIWIX Ransomware
UIWIX is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- UIWIX
- First Seen
- May 1, 2017
How UIWIX Ransomware Works
Targeted Files
Full extension -> ._[10_digit_victim_id].UIWIX https://www.bleepingcomputer.com/forums/t/646253/uiwix-ransomware-help-support-topic-uiwix-decode-filestxt/ Requires C&C in TOR
File Encryption Patterns
UIWIX modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..UIWIXRansom Note and Payment Demands
After encrypting files, UIWIX displays ransom notes demanding payment for file recovery:
_DECODE_FILES.txtRansom message:
notes/_DECODE_FILES.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with UIWIX ransomware:
UIWIX.exeTrojan.Ransom.UIWIX.exe410.jsonUIWIX.binsample (36).bin%vir146581f0b3fbe00026ee3ebe68797b0e57f39d1d8aecc99fdc3290e9cfadc4fc.vir.DNvirUIWIX.exe.bin146581f0b3fbe00026ee3ebe68797b0e57f39d1d8aecc99fdc3290e9cfadc4fc.146581f0b3fbe00026ee3ebe68797b0e57f39d1d8aecc99fdc3290e9cfadc4fcUIWIX-01.DLLaaZ2vrcbvT2.tar.bz2
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About This Analysis
This UIWIX 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 UIWIX.
Last updated: July 30, 2025