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Ransomware Research
ENCODED Ransomware
ENCODED is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- ENCODED
- First Seen
- January 1, 2023
How ENCODED Ransomware Works
File Encryption Patterns
ENCODED modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ENCODED
Ransom Note and Payment Demands
After encrypting files, ENCODED displays ransom notes demanding payment for file recovery:
HOW TO DECRYPT FILES.txt
Ransom message:
notes/HOW TO DECRYPT FILES.txt
Note locations:
Desktop
Ransom message:
notes/fmobdfhjlnpbdfhj.bmp
Note locations:
Desktop
Elastio Can Help You
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About This Analysis
This ENCODED 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 ENCODED.
Last updated: July 30, 2025