PUP.Optional.ForcedInstalledExtensionFF
ThreatDown is now the name of the Malwarebytes line of business products. References to Malwarebytes below reflect the amazing technology used to first identify the threat.
Short bio
PUP.Optional.ForcedInstalledExtensionFF is a generic detection for a large family of browser extensions that target Firefox.
Type of infection
PUP.Optional.ForcedInstalledExtensionFF are forced on the user by making it as difficult as possible to leave the site without installing the extension.
Malicious behavior
PUP.Optional.ForcedInstalledExtensionFF downloads additional code from a location hardcoded in the extensions’ javascript. Using this method these extensions can behave as coin-miners, search hijackers, or any other type of extension.
Protection
Malwarebytes blocks dictionaryext.xys
Home remediation
Malwarebytes can detect and remove PUP.Optional.ForcedInstalledExtensionFF without further user interaction.
- Please download Malwarebytes to your desktop.
- Double-click MBSetup.exe and follow the prompts to install the program.
- When your Malwarebytes for Windows installation completes, the program opens to the Welcome to Malwarebytes screen.
- Click on the Get started button.
- Click Scan to start a Threat Scan.
- Click Quarantine to remove the found threats.
- Reboot the system if prompted to complete the removal process.
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 folder and use the Select a folder button 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.