What type of virus or whatever redirects you to another (same) site?

Google redirect virus. Google redirect virus usually comes with a rootkit infection. To get rid of your redirect problems try TDSSKiller (free stand alone tool by Kaspersky) and Hitman Pro ( 30 days trial). Both these tools are known to get rid of Google redirect virus. Download links http://www.pcrisk.com/top-spyware-removers

sometimes fake emails can look like their from legitimate sites (ebay, paypal, banks) links in emails can look like they will take you to the site but if you look at it carefully their is a mistake in the spelling and it takes you to a site that will steal your password if you type it in