Ransomware Research
DilmaLocker Ransomware
DilmaLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- DilmaLocker
- First Seen
- September 1, 2017
How DilmaLocker Ransomware Works
File Encryption Patterns
DilmaLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..__dilmaV1Ransom Note and Payment Demands
After encrypting files, DilmaLocker displays ransom notes demanding payment for file recovery:
RECUPERE_SEUS_ARQUIVOS.htmlRansom message:
notes/RECUPERE_SEUS_ARQUIVOS.html
Note locations:
DesktopRansom message:
notes/background.bmp
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with DilmaLocker ransomware:
adobe_readerAdobeRd32.exeAlex-Barbosa--curriculo-vitae-2017.pdf.exe
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About This Analysis
This DilmaLocker 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 DilmaLocker.
Last updated: July 30, 2025