fileREAD_ME_TO_RECOVER_FILES.txt
notes/READ_ME_TO_RECOVER_FILES.txt
Location: UserFolders, RootDiscs
Ransomware Research
GreenBlood Ransomware
GreenBlood is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick facts
- Ransomware Family
- GreenBlood
- First Seen
- December 1, 2025
How GreenBlood ransomware works
File modification behavior
GreenBlood updates file modification timestamps after encryption.
File encryption patterns
GreenBlood modifies encrypted files using specific patterns to mark them as encrypted:
Extensions added after encryption
- .tgbg
Ransom note and payment demands
After encrypting files, GreenBlood displays ransom notes demanding payment for file recovery:
file!!!READ_ME_TO_RECOVER_FILES!!!.txt
notes/!!!READ_ME_TO_RECOVER_FILES!!!.txt
Location: Desktop
Technical indicators
Associated executable files
The following executable files are associated with GreenBlood ransomware:
- green.exe
- sql_update.exe
About this analysis
This GreenBlood 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 GreenBlood.
Detection coverage
Elastio detects GreenBlood inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify GreenBlood 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.