Function that help to remove user account

Question

Are there any functions in kernel32.dll, user32.dll, advapi32.dll or in some other .dll that can remove a local user account from the Administrators group?

Answer 1

You seem to be looking for NetLocalGroupDelMembers(), which resides in netapi32.dll.

Answer 2

Yes, it is NetGroupDelUser from Netapi32.dll:

NET_API_STATUS NetGroupDelUser(
  __in  LPCWSTR servername,
  __in  LPCWSTR GroupName,
  __in  LPCWSTR Username
);