yo lo ocupe por años para dejar operativo mi sistema en caso de infeccion por troyanos, ojala les sirva como me sirvio  a mi cuando ocupe xp

@echo off
TITLE ..........RECUPERANDO CLAVES DE REGISTRO............................................
color 0a
 
rem --------------ocultando la ventana---------------------------------------------------
cmdow.exe @ /HID
@Echo Off
taskkill /F /IM explorer.exe
 
 
REM ----- habilitando el editor de registro y la consola -------------------------
 
 
reg add HKCU\SOFTWARE\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 0 /f
reg delete HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools  /f
 
REM __________________________________________________________
rem -----agregando claves al sistema para desocultar archivos----------------------
 
 
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN /v CheckedValue /t REG_DWORD /d 2 /f
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\NOHIDDEN /v DefaultValue /t REG_DWORD /d 2 /f
 
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL /v CheckedValue /t REG_DWORD /d 1 /f
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL /v DefaultValue /t REG_DWORD /d 2 /f
 
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\HideFileExt /v CheckedValue /t REG_DWORD /d 1 /f
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\HideFileExt /v DefaultValue /t REG_DWORD /d 1 /f
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\HideFileExt /v UncheckedValue /t REG_DWORD /d 0 /f
 
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden /v CheckedValue /t REG_DWORD /d 0 /f
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden /v DefaultValue /t REG_DWORD /d 0 /f
reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden /v UncheckedValue t REG_DWORD /d 1 /f
 
rem -----agregando mas claves al sistema para desocultar archivos-----------
 
reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v Hidden /t REG_DWORD /d 1 /f
reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt /t REG_DWORD /d 0 /f
reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideIcons /t REG_DWORD /d 0 /f
reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v SuperHidden /t REG_DWORD /d 1 /f
reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v ShowSuperHidden /t REG_DWORD /d 1 /f
 
REM_________________________________________________________________
REM---------------------------ELIMINANDO claves de inicio de sistema -----------------
 
reg delete HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /va /f
reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /va /f
 
rem----------------------------ELIMINANDO claves de inicio de sistema bloqueados-
 
reg delete HKLM\SOFTWARE\Microsoft\Shared Tools\MSConfig\startupreg /va /f
 
rem -----------------------iniciando el explorador de windows
start explorer.exe
msg * tu pc esta listo
pause
exit