Ransomware Research
Tilde Ransomware
Tilde is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Simple_Encoder.
Quick Facts
- Ransomware Family
- Tilde
- First Seen
- July 1, 2016
- Known Aliases
- Simple_Encoder
How Tilde Ransomware Works
File Encryption Patterns
Tilde modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..~Ransom Note and Payment Demands
After encrypting files, Tilde displays ransom notes demanding payment for file recovery:
_RECOVER_INSTRUCTIONS.iniRansom message:
notes/_RECOVER_INSTRUCTIONS.ini
Note locations:
EveryFolderRansom message:
notes/img.bmp
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Tilde ransomware:
files.exepassport.exetest.exe165f6a9f94265fff_test.exeTilde Ransomware.exe1.exeencoder_bin.execrypt.exe
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About This Analysis
This Tilde 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 Tilde.
Last updated: July 30, 2025