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Ransomware Research
Annabelle Ransomware
Annabelle is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Annabelle
- First Seen
- February 1, 2018
How Annabelle Ransomware Works
Targeted Files
Replaces MBR after countdown
File Encryption Patterns
Annabelle modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ANNABELLE
Ransom Note and Payment Demands
After encrypting files, Annabelle displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletion
Technical Indicators
Associated Executable Files
The following executable files are associated with Annabelle ransomware:
nbnbnbnbnbnb
Vichingo455@Annabelle.exe
Annabelle.exe
Annabelle_ransom.exe
MrsMajor4.0.exe
Trojan-Ransom.Annabelle.exe
Trojan.Ransom.Annabelle.exe
716335ba5cd1e7186c40295b199190e2b6655e48f1c1cbe12139ba67faa5e1ac_2.exe
Ransomware Annabelle.exe
install_C#.exe
nbnbnbnbnbnb.exe
annabelle.exe
ImLegend.exe
Annabelle.bin
Recovery and Decryption Tools
Good news! Decryption tools are available for Annabelle ransomware:
0
Elastio Can Help You
Don't let Annabelle ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Annabelle 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 Annabelle.
Last updated: July 30, 2025