Ransomware Research
SkyFile Ransomware
SkyFile is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- SkyFile
- First Seen
- April 1, 2018
How SkyFile Ransomware Works
File Encryption Patterns
SkyFile modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..skyRansom Note and Payment Demands
After encrypting files, SkyFile displays ransom notes demanding payment for file recovery:
HOW TO DECRYPT.txtRansom message:
notes/HOW TO DECRYPT.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with SkyFile ransomware:
svchost.exeSVCHOST.EXE
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About This Analysis
This SkyFile 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 SkyFile.
Last updated: October 30, 2025
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