BigEyes Ransomware
BigEyes is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: LimeDecryptor.
Quick facts
How BigEyes ransomware works
File encryption patterns
BigEyes modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, BigEyes displays ransom notes demanding payment for file recovery:
notes/note.txt
notes/#BackGround.png
Technical indicators
Associated executable files
The following executable files are associated with BigEyes ransomware:
- 9db.exe
- Crypt.exe
- CRYPT.EXE
- 91111db.exe
- E1B571F1AD5.exe
- BigEyes.exe
- #Decryptor
About this analysis
This BigEyes ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like BigEyes.
Last updated: December 30, 2025
Elastio detects BigEyes inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify BigEyes across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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