autorun is USB virus, try using ninja.exe freeware to prevent it attack your driver. Try delete manually if anti virus just past it.Here is the method

1. open windows task manager by pressing ctrl+Alt+Del
2. Select Processes tab, Search and find CTFMON.EXE. Select it and End Task
3 Run Search tool. Search CTFMON.EXE file and delete it. Open Run tool. Type cmd. The command application will open,in command application type :

type cd\

type attrib -r -s -h +a *.inf

type del autorun.inf

type attrib -r -s -h +a recycled

type cd recycled

type del *.* and comfirm deletion

type cd\

type rmdir recycled

What you need to do next is repeating this step and apply to other driver.....

or try found autorun removal tool W32/Autorun Worm Removal 1.0 at http://www.softpedia.com/get/Antivirus/W32-Autorun-Worm-Removal.shtml