Whenever i search for my website name in google to see if someone has given link to my website i see many new strange website name for product called mspy. tThey have hundreds of websites with names like http://57bj9h8o5f618y12.ga/ for example. And new one keeps coming up. They put my website name inside few html tags which is not visible on webpage but maybe just for SEO so that people visit that site from all keywords and they allow download of their app.
The question is does these kind of having different website name with some canned comments at the bottom help SEO? Is it white hat or black hat?