Ransomware Research

DataKeeper Ransomware

DataKeeper is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2018, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
DataKeeper
First Seen
February 1, 2018

How DataKeeper Ransomware Works

Ransom Note and Payment Demands

After encrypting files, DataKeeper displays ransom notes demanding payment for file recovery:

file!!! ##### === ReadMe === ##### !!!.htm

Ransom message:

notes/!!! ##### === ReadMe === ##### !!!.htm

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with DataKeeper ransomware:

  • DataKeeper.exe.exe
  • hpupd.exe
  • Decryptor.exe
  • Decryptor.exe.bin
  • DataKeeper.exe

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About This Analysis

This DataKeeper 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 DataKeeper.

Last updated: October 30, 2025

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