What happened when Google visited this site?
Of the 16 pages we tested on the site over the past 90 days, 11 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on
2012-06-10, and the last time suspicious content was found on this site was on 2012-05-22.
(According to the above Warning, no malware has been found since May 22nd).
It's my understanding: If you want Google to pick up your latest changes, you should request a malware review via Google Webmaster Tools - this will make Google re-scan your site within a few hours.
Practical Guide to dealing with Google's Malware Warnings. I can't comprehend the time it takes to resolve this matter