Ransomware Research
CryptoViki Ransomware
CryptoViki 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
- CryptoViki
- First Seen
- May 1, 2017
How CryptoViki Ransomware Works
File Encryption Patterns
CryptoViki modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..vikiRansom Note and Payment Demands
After encrypting files, CryptoViki displays ransom notes demanding payment for file recovery:
readme.txtRansom message:
notes/readme.txt
Note locations:
DesktopRootDiscsTechnical Indicators
Associated Executable Files
The following executable files are associated with CryptoViki ransomware:
a.exe
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About This Analysis
This CryptoViki 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 CryptoViki.
Last updated: July 30, 2025