Avira finds 3 hidden objects...

Hello,

Avira found 3 hidden objects:

Starting search for hidden objects.
HKEY_LCAL_MACHINE\System\ControlSet001\Services\Cm dAgent\$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123
[INF] The registry entry is invisible.
HKEY_LCAL_MACHINE\System\ControlSet001\Services\Cm dMon\$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123
[INF] The registry entry is invisible.
HKEY_LCAL_MACHINE\System\ControlSet001\Services\In spect\$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123
[INF] The registry entry is invisible.
'40452' objects were checked, '3' hidden objects were found

I have no idea if these objects could be dangerous or not. Will you
guys please take a look at them and comment on them?
And how can *I* myself recognize if hidden objects are dangerous or
not?

Thanks,

Massimo