Ransomware Research
Conti Ransomware
Conti is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Conti
- First Seen
- October 1, 2019
How Conti Ransomware Works
File Encryption Patterns
Conti modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..CONTIRansom Note and Payment Demands
After encrypting files, Conti displays ransom notes demanding payment for file recovery:
CONTI_README.txtRansom message:
notes/CONTI_README.txt
Note locations:
EveryFolderHOW_TO_DECRYPT.txtRansom message:
notes/HOW_TO_DECRYPT.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Conti ransomware:
contuer.exeCUBE.EXE#ransomware.exerundll
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About This Analysis
This Conti 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 Conti.
Last updated: July 30, 2025