Remove http://repadnet.com/iti/usaa/file.php Pop-up Completely

http://repadnet.com/iti/usaa/file.php is a malicious popup when I was browsing on the Internet. I am trying to stop http://repadnet.com/iti/usaa/file.php pop-up but i can't , can anyone help?

About http://repadnet.com/iti/usaa/file.php 

http://repadnet.com/iti/usaa/file.php is a malicious redirect site which is capable to change your browser setting and redirect your webpage to unwanted websites. http://repadnet.com/iti/usaa/file.php is usually bundled with certain free programs that you normally download and install. These bundles include a licensing agreement that you must accept to download and install the software. Once gets into the computer, http://repadnet.com/iti/usaa/file.php will compromise your browser and modify browser setting. When you surf the Internet, http://repadnet.com/iti/usaa/file.php is capable to pop up on your browser automatically. http://repadnet.com/iti/usaa/file.php will compromise the browser and read/modify/adds browser cookies. http://repadnet.com/iti/usaa/file.php will capture all web browser behaviors and can modify displayed web pages.