All my folder in my harddisk change to folder.exe

I think my pc is infected with some virus. All my folders in my harddisk turn to .exe file. I dont know how to kill or remove this virus. Someone know the solution, pls tell me how to fix.

http://tec-updates.blogspot.com/2007...oval-tool.html

<Zayar Phyoe Hlaing> wrote in message
news:200871110460z.p.hlaing@gmail.com...
:I think my pc is infected with some virus. All my folders in my harddisk
turn to .exe file. I dont know how to kill or remove this virus. Someone
know the solution, pls tell me how to fix.