C:\Windows\System32>reg query "HKLM\SYSTEM\CurrentControlSet\Control\Class" /f *erfilters* /s

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e967-e325-11ce-bfc1-08002be10318}
    UpperFilters    REG_MULTI_SZ    partmgr
    LowerFilters    REG_MULTI_SZ    EhStorClass

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e96b-e325-11ce-bfc1-08002be10318}
    UpperFilters    REG_MULTI_SZ    kbdclass

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e96c-e325-11ce-bfc1-08002be10318}
    UpperFilters    REG_MULTI_SZ    ksthunk

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e96f-e325-11ce-bfc1-08002be10318}
    UpperFilters    REG_MULTI_SZ    mouclass

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{50dd5230-ba8a-11d1-bf5d-0000f805f530}
    UpperFilters    REG_MULTI_SZ    scfilter

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{53487c23-680f-4585-acc3-1f10d6777e82}
    UpperFilters    REG_MULTI_SZ    partmgr

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{53966cb1-4d46-4166-bf23-c522403cd495}
    UpperFilters    REG_MULTI_SZ    partmgr

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{6bdd1fc5-810f-11d0-bec7-08002be2092f}
    UpperFilters    REG_MULTI_SZ    IRENUM

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{6bdd1fc6-810f-11d0-bec7-08002be2092f}
    UpperFilters    REG_MULTI_SZ    ksthunk

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{71a27cdd-812a-11d0-bec7-08002be2092f}
    LowerFilters    REG_MULTI_SZ    fvevol\0iorate\0rdyboost
    UpperFilters    REG_MULTI_SZ    volsnap

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{ca3e7ab9-b4c3-4ae6-8251-579ef933890f}
    UpperFilters    REG_MULTI_SZ    ksthunk

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{d612553d-06b1-49ca-8938-e39ef80eb16f}
    UpperFilters    REG_MULTI_SZ    SpatialGraphFilter

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{eec5ad98-8080-425f-922a-dabf3de3f69a}
    UpperFilters    REG_MULTI_SZ    WpdUpFltr

End of search: 15 match(es) found.