Ransomware Research
HildaCrypt Ransomware
HildaCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HildaCrypt
- First Seen
- August 1, 2019
How HildaCrypt Ransomware Works
Targeted Files
https://app.any.run/tasks/4f996f93-a636-401b-8a9b-4d816848e4e1#
File Encryption Patterns
HildaCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..HILDA!..HCY!..liluzivertRansom Note and Payment Demands
After encrypting files, HildaCrypt displays ransom notes demanding payment for file recovery:
READ_IT.TXTRansom message:
notes/READ_IT.TXT
Note locations:
EveryFolderHILDACRYPTReadMe.htmlRansom message:
notes/HILDACRYPTReadMe.html
Note locations:
EveryFolderYOUR_FILES_ARE_ENCRYPTED.TXTRansom message:
notes/YOUR_FILES_ARE_ENCRYPTED.TXT
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with HildaCrypt ransomware:
Encryptor.exeimportant company update september 2019.pdf.exekjkjfkj3khhhkf.exesvchost32.exexamp-install.exe
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About This Analysis
This HildaCrypt 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 HildaCrypt.
Last updated: July 30, 2025