Ransomware Research
Spectre Ransomware
Spectre 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
- Spectre
- First Seen
- June 1, 2017
How Spectre Ransomware Works
Targeted Files
Encrypts filenames -> 0bGfaDCQ2WWOR8feNh5Tog==.spectre
File Encryption Patterns
Spectre modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..spectreRansom Note and Payment Demands
After encrypting files, Spectre displays ransom notes demanding payment for file recovery:
HowToDecryptIMPORTANT!.txtRansom message:
notes/HowToDecryptIMPORTANT!.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Spectre ransomware:
Spectre.exesystemlog.exe
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About This Analysis
This Spectre 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 Spectre.
Last updated: July 30, 2025