Ransomware Research
EGG Ransomware
EGG is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: EggLocker.
Quick Facts
- Ransomware Family
- EGG
- First Seen
- March 1, 2018
- Known Aliases
- EggLocker
How EGG Ransomware Works
Targeted Files
Destroys file content Should creates ransom notes in UserFolders,StartUp but it doesn't because of a bug
File Encryption Patterns
EGG modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..EGGRansom Note and Payment Demands
After encrypting files, EGG displays ransom notes demanding payment for file recovery:
EGG.txtRansom message:
notes/EGG.txt
Note locations:
UserFoldersStartUpRansomPayloadStartFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with EGG ransomware:
EGG.exeEggLocker.bin
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About This Analysis
This EGG 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 EGG.
Last updated: July 30, 2025