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Ransomware Research
DecYourData Ransomware
DecYourData is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- DecYourData
- First Seen
- December 1, 2019
How DecYourData Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
DecYourData modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./ id-[A-Z0-9]{12} \[decyourdata@protonmail\.com\]_all-files-encrypted$/
Ransom Note and Payment Demands
After encrypting files, DecYourData displays ransom notes demanding payment for file recovery:
/$Help for decrypting id-[A-Z0-9]{12} \[decyourdata@protonmail\.com\]\.txt$/
Ransom message:
notes/Help for decrypting id-42L1AP5921PZ [decyourdata@protonmail.com].txt
Elastio Can Help You
Don't let DecYourData ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This DecYourData 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 DecYourData.
Last updated: July 30, 2025