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

Targeted Files

Magic.mgc -> QHSLT.QST.sky Biblio.mdb -> eLEILK.QFE.sky Encrypts first 0xFA00 bytes

File Encryption Patterns

SkyFile modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..sky

Ransom Note and Payment Demands

After encrypting files, SkyFile displays ransom notes demanding payment for file recovery:

fileHOW TO DECRYPT.txt

Ransom message:

notes/HOW TO DECRYPT.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with SkyFile ransomware:

  • svchost.exe
  • SVCHOST.EXE

Elastio Can Help You

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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: July 30, 2025

SkyFile Ransomware - Detectable by Elastio