What is BestConverterSearch?
The Malwarebytes research team has determined that BestConverterSearch is a search hijacker. These so-called "hijackers" manipulate your browser(s), for example to change your startpage or searchscopes, so that the affected browser visits their site or one of their choice.
This particular one is a search hijacker and uses web push notifications. How do I know if my computer is affected by BestConverterSearch?
You may see this entry in your list of installed Chrome extensions:
and these warnings during install:
and this changed setting: