Ransomware Research
Enjey Ransomware
Enjey 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. Security researchers also track this malware under the aliases: EnjeyCrypter.
Quick Facts
- Ransomware Family
- Enjey
- First Seen
- March 1, 2017
- Known Aliases
- EnjeyCrypter
How Enjey Ransomware Works
Targeted Files
Requires C&C to receive keys for encryption Encrypts its own ransom notes Full extension -> .encrypted.decrypter_here@freemail.hu.enjey;.encrypted.frogobigens@india.com.enjey
File Encryption Patterns
Enjey modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..enjeyRansom Note and Payment Demands
After encrypting files, Enjey displays ransom notes demanding payment for file recovery:
README_DECRYPT.TXTRansom message:
notes/README_DECRYPT.TXT
Note locations:
EveryFolderREAD_DECRYPTION.TxTRansom message:
notes/READ_DECRYPTION.TxT
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Enjey ransomware:
doc.exeRemind.exeenjey
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About This Analysis
This Enjey 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 Enjey.
Last updated: July 30, 2025