Ransomware Research
GC47 Ransomware
GC47 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- GC47
- First Seen
- March 1, 2017
How GC47 Ransomware Works
Targeted Files
Requires C&C Starts with the delay (320000)
File Encryption Patterns
GC47 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..Fuck_YouRansom Note and Payment Demands
After encrypting files, GC47 displays ransom notes demanding payment for file recovery:
READ_IT.txtRansom message:
notes/READ_IT.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with GC47 ransomware:
GC47_Ransomeware.exe
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About This Analysis
This GC47 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 GC47.
Last updated: July 30, 2025