gistfile1.txt

#define RTL_USER_PROC_UTF8_PROCESS 0x08000000

NTSTATUS SetPtocessUtf8(HANDLE hProcess)
{
	PROCESS_BASIC_INFORMATION pbi;
	_RTL_USER_PROCESS_PARAMETERS* ProcessParameters;
	ULONG Flags;
	NTSTATUS status;

	0 <= (status = NtQueryInformationProcess(hProcess, ProcessBasicInformation, &pbi, sizeof(pbi), 0)) &&
		0 <= (status = ZwReadVirtualMemory(hProcess, &reinterpret_cast<_PEB*>(pbi.PebBaseAddress)->ProcessParameters, &ProcessParameters, sizeof(ProcessParameters), 0)) &&
		0 <= (status = ZwReadVirtualMemory(hProcess, &ProcessParameters->Flags, &Flags, sizeof(Flags), 0)) &&
		0 <= (status = ZwWriteVirtualMemory(hProcess, &ProcessParameters->Flags, &(Flags |= RTL_USER_PROC_UTF8_PROCESS), sizeof(Flags), 0));

	return status;
}