According to the developers, Searchtheweb.io is a search engine that has a lot of advantages, for example, it allows the user to redirect to popular sites, has a new line and so on. Also, as they assure, Searchtheweb.io has the properties of similar legitimate search pages.
Search.mymedianetnow.com is a browser hijacker, looking like a legitimate search page with an attractive interface. In addition, the developers assure that their development increases the experience of browsing and improves the search efficiency.
If your browser redirects you to the LLL site or other sites containing promotional content, then you are most likely attacked by adware. Remistrainew.club is a pop-up containing a notification with 2 options, however clicking on "Block" will lead to nothing. Moreover, after clicking on "allow", your browser will literally be flooded with advertising content.
Search.youremailhub.com refers to the number of potentially unwanted programs penetrating the PC without the user's consent. This is a search page similar to legitimate analogs, such as Yahoo, Bing, Google and so on.
Marial.pro is a browser hijacker, making changes to the settings of Chrome, Mozilla, Edge, IE and other browsers installed on your system. After penetration, Marial.pro redirects the user to third-party sites, which, as a rule, are teeming with advertisements, banners, coupons, pop-ups and so on. Moreover, these changes cannot be canceled.