Ransomware Research

Sorry HT Ransomware

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

Quick Facts

Ransomware Family
Sorry HT
First Seen
March 1, 2018

How Sorry HT Ransomware Works

File Encryption Patterns

Sorry HT modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..sorry

Ransom Note and Payment Demands

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

filehrf.txt

Ransom message:

notes/hrf.txt
fileHow Recovery Files.txt

Ransom message:

notes/How Recovery Files.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Sorry HT ransomware:

  • ConsoleApp1.exe
  • Sorry HT.exe
  • av2.exe
  • av55.exe

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About This Analysis

This Sorry HT 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 Sorry HT.

Last updated: October 30, 2025

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