Ransomware Research
GoCryptoLocker Ransomware
GoCryptoLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: CryptoGoLocker.
Quick Facts
- Ransomware Family
- GoCryptoLocker
- First Seen
- April 1, 2020
- Known Aliases
- CryptoGoLocker
How GoCryptoLocker Ransomware Works
Targeted Files
Dramatically random increase file size (from bytes to 600kb) Written in Go
File Encryption Patterns
GoCryptoLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..GEncRansom Note and Payment Demands
After encrypting files, GoCryptoLocker displays ransom notes demanding payment for file recovery:
decryptor.batRansom message:
notes/decryptor.bat
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with GoCryptoLocker ransomware:
main.exeTrojan.Ransom.Hermetic-PartTicket.exeTrojan.Ransom.PartyTicket.execlient.exehermeticRansom.exe
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About This Analysis
This GoCryptoLocker 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 GoCryptoLocker.
Last updated: July 30, 2025