Ransomware Research
GhostHammer Ransomware
GhostHammer is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Ghost.
Quick Facts
- Ransomware Family
- GhostHammer
- First Seen
- October 1, 2018
- Known Aliases
- Ghost
How GhostHammer Ransomware Works
File Encryption Patterns
GhostHammer modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..GhostRansom Note and Payment Demands
After encrypting files, GhostHammer displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with GhostHammer ransomware:
Ghost.exeGhostForm.exe
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About This Analysis
This GhostHammer 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 GhostHammer.
Last updated: July 30, 2025