[hebelehubele]

Agreed. I don't know anything about DLL hooks, but code looks like nonsense to me. It's trying to hook into a null pointer.

  #include <windows.h>
  #include <detours.h>
  
  static int (WINAPI *Real_EP_RegCheckKey)(LPCSTR, LPCSTR) = NULL;
  
  int WINAPI Hooked_EP_RegCheckKey(LPCSTR name, LPCSTR key) {
      return 1;
  }
  
  BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID lpReserved) {
      if (reason == DLL_PROCESS_ATTACH) {
          Sleep(2000);
          DetourTransactionBegin();
          DetourUpdateThread(GetCurrentThread());
          DetourAttach(&(PVOID&)Real_EP_RegCheckKey, Hooked_EP_RegCheckKey);
          DetourTransactionCommit();
      }
      return TRUE;
  }