Ransomware Research
Sadogo Ransomware
Sadogo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Sadogo
- First Seen
- April 1, 2020
How Sadogo Ransomware Works
Targeted Files
Encrypts first 0x19000 bytes
File Encryption Patterns
Sadogo modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encrypted
..makop
Ransom Note and Payment Demands
After encrypting files, Sadogo displays ransom notes demanding payment for file recovery:
readme.txt
Ransom message:
notes/readme.txt
Note locations:
EveryFolder
readme-warning.txt
Ransom message:
notes/readme-warning.txt
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with Sadogo ransomware:
soft.exe
tor.exe
da65ca3e..exe
tor[1].exe
440.exe
Elastio Can Help You
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About This Analysis
This Sadogo 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 Sadogo.
Last updated: July 30, 2025