open autorun virus in dos

check autorun virus is there in system without any software

just Go to>>RUN
>>

open cmd file
just write without qoutes "cd\"
now c:\>_ is blinking
now type attrib

now shows the auturun file.

if it is not there ...autorun is not there in your system..
in my system autorun vrus is not there...that's i didnt shown in image.