Ransomware Research
Encoded01 Ransomware
Encoded01 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Lock-Encoded01, Sugar.
Quick Facts
- Ransomware Family
- Encoded01
- First Seen
- November 1, 2021
- Known Aliases
- Lock-Encoded01Sugar
How Encoded01 Ransomware Works
File Encryption Patterns
Encoded01 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encoded01Ransom Note and Payment Demands
After encrypting files, Encoded01 displays ransom notes demanding payment for file recovery:
BackFiles_encoded01.txtRansom message:
notes/BackFiles_encoded01.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Encoded01 ransomware:
1.exe315.exe
Elastio Can Help You
Don't let Encoded01 ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Encoded01 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 Encoded01.
Last updated: July 30, 2025