botmediaz.com redirects constantly forward your browser to websites with suspicious content. In the best of cases, you will get to nonviolent sites without any harm to your mental state. However, not all are so lucky. Users without anti-virus defense may be ready to get into the second category. They are open to all existing danger. And this malicious domain is one of such threats. It builds a link between you and black sites. That is why you see constant redirections. It won’t disappear naturally, you will have to use particular tools to remove it.
Users usually start seeing Oviport LTD ads periodically on their screens when they install a malicious application on their computers or it illegally enters their systems. Of course, if you have noticed Oviport LTD ads once only, this might indicate that you have landed on an untrustworthy page once. If it is true, you will no longer see those annoying advertisements ever again after closing your browser.