PUP.Optional.DotSetupIo is Malwarebytes’ detection name for a potentially unwanted program (PUP) that displays advertisements.
PUP.Optional.DotSetupIo behaves like adware in that it shows advertisements not originating from the websites you are browsing. PUP.Optional.DotSetupIo is often installed by bundlers. A bundler is an assemblage of two or more software offered in one combined package. It usually contains (1) the main program a user is after and (2) bundleware.
Malwarebytes can detect and remove PUP.Optional.DotSetupIo 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.
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