PUP.Optional.Vosteran is Malwarebytes’ detection name for a browser hijacker that usually comes in the form of a browser extension. It targets Google Chrome, Mozilla Firefox, Internet Explorer, and Opera and changes the start page and search engine settings.
Vosteran used to bundle their own browser with other software.
PUP.Optional.Vosteran is usually installed by the users themselves, whether as a standalone extension or bundled with other software.
Malwarebytes protects users from PUP.Optional.Vosteran by using real-time protection.
Malwarebytes can detect and remove PUP.Optional.Vosteran 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.