randommouse

CoordMode,Mouse,Screen ;Coordinates in relation to entire 1440x900 screen
BlockInput,MouseMove ;Real life mouse stops working, starts working after script ends
Loop
{
    random,ranx,0,1440 ;Random x coordinates
    random,rany,0,900 ;Random y coordinates
    random,rans,1,10 ;Random mouse speed
    mousemove,ranx,rany,rans ;mouse move
}
^x:: ExitApp ;Ctrl+x to exit the script