fileHELP.txt
notes/HELP.txt
Location: Roaming
Ransomware Research
BTCWare-Gryphon Ransomware
BTCWare-Gryphon is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Gryphon.
Quick facts
- Ransomware Family
- BTCWare-Gryphon
- First Seen
- July 1, 2017
- Known Aliases
- Gryphon
How BTCWare-Gryphon ransomware works
File modification behavior
BTCWare-Gryphon updates file modification timestamps after encryption.
File encryption patterns
BTCWare-Gryphon modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .gryphon
- .crypton
- .nuclear
Ransom note and payment demands
After encrypting files, BTCWare-Gryphon displays ransom notes demanding payment for file recovery:
file!## DECRYPT FILES ##!.txt
notes/!## DECRYPT FILES ##!.txt
Location: EveryFolder
Technical indicators
Associated executable files
The following executable files are associated with BTCWare-Gryphon ransomware:
- clickmeplz.exe
- JKHFSHSHTUYOERSK.exe
- 1.exe
- Underkeeper2
- Underkeeper2.exe
- btcware2.exe
- adiks.exe
- x.exe
- Regshot Portable
- RegshotPortable.exe
About this analysis
This BTCWare-Gryphon 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 BTCWare-Gryphon.
Detection coverage
Elastio detects BTCWare-Gryphon inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify BTCWare-Gryphon across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.