PUP.Optional.AppSync is Malwarebytes’ generic detection name for a family of bundlers.
Users of affected systems may notice a running process called AppSync.exe.
Users may have installed PUP.Optional.AppSync themselves not realizing it was a bundler. Bundlers bank on the names of popular programs users generally want to install onto their systems, and those who aren’t familiar with bundlers may welcome the additional free programs. Unfortunately, a majority of these are categorized as unwanted software, such as adware and browser toolbars.
Malwarebytes protects users from PUP.Optional.AppSync by using real-time protection.
Malwarebytes can detect and remove PUP.Optional.AppSync 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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