Astromenda.com is considered as a browser hijacker which is able to change your browser homepage to its own site and set your default search engine to Astromenda Search which is unreliable. You do not expect to get any useful results from this search engine. When you search something on it, its homepage will display its so-called search results containing various sponsored links and advertisements. What is worse, it may utilize the chance to collect search terms from your search queries, which will expose your privacy.
A Screenshot of This Browser Hijacker:

Although Astromenda Search technically is not a virus, it does cause much trouble to computer users like browser hijacking, system damage, interfering with users’ browsing experience. Additionally, some banner, search, pop-up, pop-under, and in-text link ads will be injected into your web browsers without any approval. Moreover, you will suffer from endless annoying redirects, poor computer performance, unstable Internet connection, blue screen, blank screen, browser or system crash, etc. Therefore, it is urgent to remove this browser hijacker from your PC.