Scan Website for Malware Using Sucuri
To check if you site has malware on it go to http://sitecheck2.sucuri.net/
Type/Paste your website name into the search box and click Scan Website
After you site is checked you will get a report that looks like this to see what you need to address (if anything)
-For this site we need to look at the firewall and comprehensive scan
Also notice there are 3 tabs to look under for details about your site.