C / C++ / MFC

int WINAPI _tWinMain(HINSTANCE h, HINSTANCE b, LPTSTR psz, int n)<br />
{<br />
	// Is this the Original EXE or the clone EXE?<br />
	// If the command-line 1 argument, this is the Original EXE<br />
	// If the command-line >1 argument, this is the clone EXE<br />
	if (__argc == 1) <br />
	{<br />
		// Original EXE: Spawn clone EXE to delete this EXE<br />
		// Copy this EXEcutable image into the user''s temp directory<br />
		TCHAR szPathOrig[_MAX_PATH], szPathClone[_MAX_PATH];<br />
		GetModuleFileName(NULL, szPathOrig, _MAX_PATH);<br />
		GetTempPath(_MAX_PATH, szPathClone);<br />
		GetTempFileName(szPathClone, __TEXT("Del"), 0, szPathClone);<br />
		CopyFile(szPathOrig, szPathClone, FALSE);<br />
		// Open the clone EXE using FILE_FLAG_DELETE_ON_CLOSE<br />
		HANDLE hfile = CreateFile(szPathClone, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE, NULL);<br />
		// Spawn the clone EXE passing it our EXE''s process handle<br />
		// and the full path name to the Original EXE file.<br />
		TCHAR szCmdLine[512];<br />
		HANDLE hProcessOrig = OpenProcess(SYNCHRONIZE, TRUE, GetCurrentProcessId());<br />
		wsprintf(szCmdLine, __TEXT("%s %d \"%s\""), szPathClone, hProcessOrig, szPathOrig);<br />
		STARTUPINFO si;<br />
		ZeroMemory(&si, sizeof(si));<br />
		si.cb = sizeof(si);<br />
		PROCESS_INFORMATION pi;<br />
		CreateProcess(NULL, szCmdLine, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi);<br />
		CloseHandle(hProcessOrig);<br />
		CloseHandle(hfile);<br />
		// This original process can now terminate.<br />
	}<br />
	else<br />
	{<br />
		// Clone EXE: When original EXE terminates, delete it<br />
		HANDLE hProcessOrig = (HANDLE) _ttoi(__targv[1]);<br />
		WaitForSingleObject(hProcessOrig, INFINITE);<br />
		CloseHandle(hProcessOrig);<br />
		DeleteFile(__targv[2]);<br />
		// Insert code here to remove the subdirectory too (if desired).<br />
		// The system will delete the clone EXE automatically<br />
		// because it was opened with FILE_FLAG_DELETE_ON_CLOSE<br />
	}<br />
	return(0);<br />
}