Ransomware Research
FireCrypt Ransomware
FireCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: BleedGreen.
Quick Facts
- Ransomware Family
- FireCrypt
- First Seen
- January 1, 2017
- Known Aliases
- BleedGreen
How FireCrypt Ransomware Works
Targeted Files
e77df2ce34949eb11290445a411a47fb927e8871e2580897581981d17730032d -> builder
File Encryption Patterns
FireCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..firecryptRansom Note and Payment Demands
After encrypting files, FireCrypt displays ransom notes demanding payment for file recovery:
/^[a-zA-Z]{15}-READ_ME\.html$/Ransom message:
notes/epjCyVqQIEPgvRE-filesencrypted.html
Note locations:
Desktop/^[a-zA-Z]{15}-filesencrypted\.html$/Ransom message:
notes/epjCyVqQIEPgvRE-READ_ME.html
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with FireCrypt ransomware:
somefilename.exeFireCrypt.exeshue.exeDjrsqvgahLYXnru.exefe.exe22.exedjrsqvgahlyxnru.exeBluetooth Control Panelbluetooth.cplCfgBkEnd.dllWorking_New.exepVefdiTMTxLKaeg.exeok2.exe1.exeChqqpufYfKXWmps.exeok.exeok.bin
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About This Analysis
This FireCrypt 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 FireCrypt.
Last updated: July 30, 2025