I did not turn off AV software during the installation, and Mcafee 8.5.0i DAT update from Sept 25, 2007 detected two trojans:
9/25/2007 3:08:37 PM Deleted (Clean failed) D810BWV5X81\Administrator C:\Program Files\Metasploit\Framework3\bin\ruby.exe C:\Program Files\Metasploit\Framework3\framework\modules\exploits\windows\browser\ms06_057_webview_setslice.rb\00000972.js Exploit-CVE2006-3730 (Trojan)
9/25/2007 3:08:38 PM Deleted (Clean failed) D810BWV5X81\Administrator C:\Program Files\Metasploit\Framework3\bin\ruby.exe C:\Program Files\Metasploit\Framework3\framework\modules\exploits\multi\browser\firefox_queryinterface.rb\00000993.js Exploit-MF06-04 (Trojan)