PUP.Optional.WebCompanion

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Short bio

PUP.Optional.WebCompanion is Malwarebytes’ detection name for a potentially unwanted program that changes search settings.

Type and source of infection

PUP.Optional.WebCompanion is usually installed by users themselves as part of a bundler. It is advertized as anti malware protection but the installer changes browser settings, specifiaclly the default search engine.

Protection

Malwarebytes blocks the WebCompanion installer to give users the opportunity to make an informed decision.