While visiting hXXp://billmoore.com/ Avast threw the warning, "Sign of "JS:Agent-AV [trj]" has been found in "hXXp://searchdonor.com/" file."
-SK
What is the full URL of the link you clicked to be directed to the searchdonor.com site infection as I didn't find anything on the home page ?
So I couldn't see what it was that would direct you to the searchdonor.com site.
Check the avast! Log Viewer (right click the avast 'a' icon), Warning section, this contains information on all avast detections. C:\Program Files\Alwil Software\Avast4\ashLogV.exe - Or check the source file using notepad C:\Program Files\Alwil Software\Avast4\DATA\log\Warning.log
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When posting URLs to suspect sites, change the http to hXXp so the link isn't active (clickable) avoiding accidental exposure.
I did visit the searchdonor.com site and not only avast alerted but firefox's safebrowsing function (see image1), has been reported as an attack site.
Checking the searchdonor.com placeholder page it has been hacked, obfuscated script after closing html tag, see image2, See image3 for what that the previous code tries to do, send you to yet another site.