Clean up infected Cre Loaded 6.2 PRO and secure for future.

My site has been blocked by google because it contains some malware see below for the info from google. Our system is Crelaoded with alot af additions/custom work. Unfortuanetly our backups from our webhoster is an infected copy. I want the site to be disinfected (clean) from all malware, virus, badware or whatever that can harm this site or visitors in regulation from [login to view URL] When google has confirmed that the site is clean and works fine again and the site has been secured the project is considered finished! **************************************************************************************************** Safe Browsing Diagnostic page for [login to view URL] What is the current listing status for [login to view URL] Site is listed as suspicious - visiting this web site may harm your computer. Part of this site was listed for suspicious activity 2 time(s) over the past 90 days. What happened when Google visited this site? Of the 18 pages we tested on the site over the past 90 days, 4 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2010-07-18, and the last time suspicious content was found on this site was on 2010-07-17. Malicious software includes 2 exploit(s). Successful infection resulted in an average of 1 new process(es) on the target machine. Malicious software is hosted on 3 domain(s), including [login to view URL], [login to view URL], [login to view URL] 2 domain(s) appear to be functioning as intermediaries for distributing malware to visitors of this site, including [login to view URL], [login to view URL] This site was hosted on 2 network(s) including AS3292 (TDC), AS8434 (Telenor AB). Has this site acted as an intermediary resulting in further distribution of malware? Over the past 90 days, [login to view URL] did not appear to function as an intermediary for the infection of any sites. Has this site hosted malware? No, this site has not hosted malicious software over the past 90 days. How did this happen? In some cases, third parties can add malicious code to legitimate sites, which would cause us to show the warning message. Next steps: * Return to the previous page. * If you are the owner of this web site, you can request a review of your site using Google Webmaster Tools. More information about the review process is available in Google's Webmaster Help Center.