Ransomware Research
Spider Ransomware
Spider is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Spider
- First Seen
- October 1, 2024
How Spider Ransomware Works
File Encryption Patterns
Spider modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..spider1Ransom Note and Payment Demands
After encrypting files, Spider displays ransom notes demanding payment for file recovery:
How_to_back_files.htmlRansom message:
notes/How_to_back_files.html
Note locations:
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About This Analysis
This Spider 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 Spider.
Last updated: July 30, 2025