Desativar compartilhamento oculto, C$

Salvar o conteúdo abaixo no notepad, extensão .reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters]
"autodisconnect"=dword:0000000f
"enableforcedlogoff"=dword:00000001
"enablesecuritysignature"=dword:00000000
"requiresecuritysignature"=dword:00000000
"NullSessionPipes"=hex(7):43,00,4f,00,4d,00,4e,00,41,00,50,00,00,00,43,00,4f,\
00,4d,00,4e,00,4f,00,44,00,45,00,00,00,53,00,51,00,4c,00,5c,00,51,00,55,00,\
45,00,52,00,59,00,00,00,53,00,50,00,4f,00,4f,00,4c,00,53,00,53,00,00,00,45,\
00,50,00,4d,00,41,00,50,00,50,00,45,00,52,00,00,00,4c,00,4f,00,43,00,41,00,\
54,00,4f,00,52,00,00,00,54,00,72,00,6b,00,57,00,6b,00,73,00,00,00,54,00,72,\
00,6b,00,53,00,76,00,72,00,00,00,00,00
"NullSessionShares"=hex(7):43,00,4f,00,4d,00,43,00,46,00,47,00,00,00,44,00,46,\
00,53,00,24,00,00,00,00,00
"Lmannounce"=dword:00000000
"Size"=dword:00000001
"Guid"=hex:b3,14,8f,b4,dc,25,41,4f,bf,1e,5b,32,0b,97,1c,58
"CachedOpenLimit"=dword:00000000
"AutoShareWks"=dword:00000000