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