Ransomware Research
EZDZ Ransomware
EZDZ is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: EZDZ-Locker.
Quick Facts
- Ransomware Family
- EZDZ
- First Seen
- May 1, 2019
- Known Aliases
- EZDZ-Locker
How EZDZ Ransomware Works
Targeted Files
Encrypts first 0x1000 bytes
File Encryption Patterns
EZDZ modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..EZDZ..help..chchRansom Note and Payment Demands
After encrypting files, EZDZ displays ransom notes demanding payment for file recovery:
HELP_PC.EZDZ-REMOVE.txtRansom message:
notes/HELP_PC.EZDZ-REMOVE.txt
Note locations:
EveryFolderREAD_ME.TXTRansom message:
notes/READ_ME.TXT
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with EZDZ ransomware:
EZDZ.exelocker.exe
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About This Analysis
This EZDZ 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 EZDZ.
Last updated: July 30, 2025