Ransomware Research
CryptoSpider Ransomware
CryptoSpider is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- CryptoSpider
- First Seen
- June 1, 2017
How CryptoSpider Ransomware Works
Targeted Files
Encrypts Desktop\test folder only Downloads ransom picture from the WEB
File Encryption Patterns
CryptoSpider modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..CspiderRansom Note and Payment Demands
After encrypting files, CryptoSpider displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionRansom message:
notes/5d9C9Bl.jpg
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with CryptoSpider ransomware:
CryptoSpider.exeCryptoSpider Ransomware.execrypt.exe
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About This Analysis
This CryptoSpider 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 CryptoSpider.
Last updated: July 30, 2025