Ransomware Research

Dont_Worry Ransomware

Dont_Worry 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
Dont_Worry
First Seen
March 1, 2018

How Dont_Worry Ransomware Works

File Encryption Patterns

Dont_Worry modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..{email_ransom}-[a-f0-9]{16}./\.UPS-[a-f0-9]{16}/

Ransom Note and Payment Demands

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

fileDont_Worry.txt

Ransom message:

notes/Dont_Worry.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Dont_Worry ransomware:

  • dwintl.exe
  • dwintl_x64.exe
  • gwintl.exe
  • HonestSample_Dont_Worry5b07c80a4b24264120bc64fe.exe
  • myfile.exe

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About This Analysis

This Dont_Worry 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 Dont_Worry.

Last updated: October 30, 2025

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