PUP.Optional.ShiftBrowser

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Short bio

PUP.Optional.ShiftBrowser is Malwarebytes’ detection name for a potentially unwanted program called “Shift Browser.”

Type and source of infection

The browser is promoted through confusing advertisements on sites where people might search for manuals, recipes, templates, and other popular documents.

Blue buttons at the bottom get you the Shift browser

Protection

Malwarebytes blocks the downloader that fetches the actual installer, so users can make an informed decision about the install. It does not block the full installer which users might have downloaded from the official site.

Malwarebytes blocks PUP.Optional.ShiftBrowser
Malwarebytes blocks PUP.Optional.ShiftBrowser

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.

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 the Browse button to select the file you wish to grant access.