PUP.Optional.Wajam is the detection name for Wajam, a browser add-on marketed as a “social search.”
PUP.Optional.BundleInstaller is a generic detection that is used for bundle installers, aka bundlers.
Bundlers are typically installed by the users themselves, usually because they want to install the main program the bundler has to offer. Often unaware of the extra software that will be offered or even installed without giving the user a choice.
Malwarebytes protects users from PUP.Optional.BundleInstaller by using real-time protection.
Malwarebytes can detect and remove PUP.Optional.BundleInstaller without further user interaction. If one of these bundlers has been detected on a system it is advisable to run a full system scan.
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: