Thanks for sending me credentials for your site. I’m glad I was able to remove the threat for you and I’m sorry I couldn’t do anything more for you about Google’s cache of your site. If you can please let me know how long it takes to for Google to re-index your site.
Having a backup of your site on your PC could help if you need to revert files in the future. These kind of malicious PHP scripts are not like PC viruses. they will not execute on your computer at home unless you have web-server software on your PC and call up these local pages in a web-browser.