You can get rid of it manually or automatically. In a manual way, you should boot up your system in the safe mode. Then open the Manager Task by pressing Ctrl+ Esc+ Shift (Windows7/vista) or Ctrl+ Alt+ Del (Windows XP/ Windows 8) to stop its processes. After that, you should delete all its files in Local disk and remove its registry entries to avoid it coming back. If you need more information to remove this trojan, you can visit http://www.pccaretips.com/blog/ for help.
You need to install a stronger antivirus on your computer so as to get rid of the Trojan horse. Once the scan is complete, you will reboot your computer to ensure that the virus is completely removed. Check out http://www.ehow.com/how_5791303_rid-trojan-start.html for more details.