The MVPS HOSTS file was updates on January18, 2013 http://winhelp2002.mvps.org/hosts.htm
Windows XP Pro SP3 (32-bit), avast! V8 Free, MBAM Pro, Windows Firewall, EMET, OpenDNS Family Shield, IE8 & Firefox (both using WOT & KeyScrambler), MVPS HOSTS file, SpywareBlaster, WinPatrol PLUS, SAS (on-demand scanner), Secunia PSI. [I am experimenting with Sandboxie, and believe computer-users who sandbox are acting prudently.]Windows 7 Pro SP1 (64-bit), IE10 [with everything else the same as above]
Firefox 18.0.1
Update via the program's internal updater (HELP / About Firefox / Check for Updates)