I have a question...

Has anyone dealt with this virus, Trojan:32Win32/Sirefef.AN? How did you deal with it?

With siref you need expert help …

Follow instructions here and attach logs, not copy and paste http://forum.avast.com/index.php?topic=53253.0

Run in order listed
AdwCleaner / Malwarebytes / OTL / aswMBR

when done, removal specialists will be notified and help you
when finish, all tools used will be removed