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