Manual restore using WP_Clone files resulted in a lot of errors. Time spent was about the same as rebuilding. It was a pretty small site so don’t think this would be a good option for large sites. Sorry!
Do you have comments on that page? There are several reports of commenters adding that code. FYI, there are also several reports of false positives … all I’ve heard of so far are associated to Kaspersky antivirus.