Virus

How to remove virus without having anti virus in Windows XP ?

First Step: Click Start button go to Run then type "cmd" then press enter
Second Step: Select the virus affected drive i mean type the drive name example E:
Third Step: Then type dir command..... type attrib -s -h *.* /s /d then press enter
Fourth Step: Type dir to check whether it contain unusual .exe file ; Yes it contains .exe file with autorun.inf now u can delete it