PUP.Optional.Crossrider is Malwarebytes’ detection name for a potentially unwanted program (PUP), specifically a type of adware.
Crossrider offers a highly configurable method for its clients to monetize their software. The common method to infect end-users is software bundlers. The installers usually resort to browser hijacking. Targeted browsers are Internet Explorer, Firefox, Chrome, and sometimes Opera. Crossrider not only targets Windows machines but Macs as well.
PUP.Optional.Crossrider installs are typically triggered by bundlers that offer software you might be interested in and combine them with adware or other monetizing methods.
Malwarebytes protects users from PUP.Optional.Crossrider by using real-time protection.
Malwarebytes can detect and remove PUP.Optional.Crossrider without further user interaction.
For some browser hijackers, it may be beneficial to read our guide to restore your browser.
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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