Either you have to do a boot time scan using a bootable cd/dvd or you have to take your hard disk out and find a laptop hard to usb connector and plug it in to usb port in an uninfected pc and have a scan. Else nothing to do.. No other options i can see
What makes u prevent using these steps ????
Restart and press f8 continuously and login tosafe mode with networking..
Use one scanner at a timeDownload hitman pro 3.7**(shareware and can be activated for 30 days free)**and have a full system scan.. http://www.surfright.nl/en
And/or
use malwarebyte have a full system scanhttp://www.malwarebytes.org/products/malwarebytes_free/
And/or use TDSS Killer have a full system scan..: http://www.bleepingcomputer.com/virus-removal/remove-tdss-tdl3-alureon-rootkit-using-tdsskiller