PUP.Optional.AdvertisingExt is Malwarebytes’ detection name for a large family of Firefox and Chrome extensions that show advertisements on the affected systems.
PUP.Optional.AdvertisingExt extensions are usually offered as giving access to maps, games, and quizzes. PUP.Optional.AdvertisingExt are usually installed by users themselves without realizing they are ad-supported.
Malwarebytes blocks the domains that offer these extensions.
Malwarebytes can detect and remove PUP.Optional.AdvertisingExt 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.
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.
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