Ransomware Research
Arachna Ransomware
Arachna is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Arachna
- First Seen
- November 1, 2024
How Arachna Ransomware Works
Targeted Files
Full extension -> [id-4DFPFOPS].[Arachna_Recovery@firemail.de].Arachna
File Encryption Patterns
Arachna modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ArachnaRansom Note and Payment Demands
After encrypting files, Arachna displays ransom notes demanding payment for file recovery:
Restore-Files-Guide.txtRansom message:
notes/Restore-Files-Guide.txt
Note locations:
EveryFolderRestore-Files-Guide.htaRansom message:
notes/Restore-Files-Guide.hta
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Arachna ransomware:
rZVNKT3lRTcsQk1dddHLytuMTI4bXlrdsdsfsd.exe
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About This Analysis
This Arachna 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 Arachna.
Last updated: July 30, 2025