Ransomware Research
DDE Ransomware
DDE is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- DDE
- First Seen
- July 1, 2018
How DDE Ransomware Works
Targeted Files
Encrypts Downloads folder only
File Encryption Patterns
DDE modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encryptedRansom Note and Payment Demands
After encrypting files, DDE displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with DDE ransomware:
DDE.exedde_ransomware.exedde.exeran.exe
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About This Analysis
This DDE 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 DDE.
Last updated: July 30, 2025