Short bio

PUP.Optional.MillennialMedia is Malwarebytes' detection name for a specific browser hijacker published by Millennial Media Inc

Malicious behavior

This browser hijacker changes the default search domain for Edge and Chrome to 


Type and source of infection

Browser hijackers, or simply hijackers, are a type of malware created for the purpose of modifying Internet browser settings without the user’s knowledge or consent. Typically, hijackers change the homepage and default search settings.

The making of these changes can be added to a bundler.


This is a "removal-only" detection. 


Malwarebytes can detect and remove PUP.Optional.MillennialMedia without further user interaction.

  1. Please download Malwarebytesto your desktop.
  2. Double-click MBSetup.exeand follow the prompts to install the program.
  3. When your Malwarebytes for Windowsinstallation completes, the program opens to the Welcome to Malwarebytes screen.
  4. Click on the Get started button.
  5. Click Scan to start a Threat Scan.
  6. Click Quarantineto remove the found threats.
  7. Reboot the system if prompted to complete the removal process.

If you are using Opera, you may have to remove the Extension manually under Opera > Extensions. First, disable the extension and then click the x behind Tables and click OK in the prompt to confirm.

Add an exclusion

Should users wish to keep this program and exclude it from being detected in future scans, they can add the program to the exclusions list. Here’s how to do it.

  • Open Malwarebytes for Windows.
  • Click the Detection History
  • Click the Allow List
  • To add an item to the Allow List, click Add.
  • Select the exclusion type Allow a file or folderand use the Select a folderbutton to select the main folder for the software that you wish to keep.
  • Repeat this for any secondary files or folder(s) that belong to the software.

If you want to allow the program to connect to the Internet, for example to fetch updates, also add an exclusion of the type Allow an application to connect to the internet and use theBrowse button to select the file you wish to grant access.






%AppData%\Roaming\Eclipse Media Inc

%AppData%\Roaming\Browser Extension

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