PUP.Optional.Wajam is the detection name for Wajam, a browser add-on marketed as a “social search.”
This detection is for a potentially unwanted program (PUP) that performs changes on popular browsers installed on affected systems. Particularly, it modifies the user’s default home, start, and search pages for their Chrome, Firefox, Internet Explorer, and Safari browsers. This PUP also performs redirects to unwanted sites.
Furthermore, it installs browser extensions / add-ons / plug-ins.
Malwarebytes protects users from PUP.Optional.WinYahoo by using real-time protection.
Malwarebytes can detect and remove PUP.Optional.WinYahoo without further user interaction.
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.
The Exclusions tab includes a list of items to be excluded from scans. The items may include files, folders, websites, or applications that connect to the Internet, as well as previously detected exploits.
To access the exclusions in Malwarebytes:
If you want to allow the program to connect to the Internet, for example to fetch updates, add an exclusion of the type Exclude an application that Connects to the Internet and use the Browse button to select the file you wish to grant access.