hook CreateFileA 以后很多程序不能访问网络

开始HOOK了以后很多进程都出现了不能连接网络的现象求解......
#include "stdafx.h"
#include <windows.h>  
#include <tchar.h>   #pragma data_seg("Share")
HWND hK= NULL;
#pragma data_seg()
#pragma comment(linker,"/SECTION:Share,RWS")
HINSTANCE hInst=NULL;
HHOOK hhookk=NULL;
HANDLE hTh = NULL;DWORD WINAPI CFHOOK(LPVOID lpParameter);
LRESULT CALLBACK NULFUNC(int code,WPARAM wparam,LPARAM lparam);BYTE NewBytes[8] = {0xB8, 0x0, 0x0, 0x40, 0x0, 0xFF, 0xE0, 0x0};   
BYTE OldBytes[8] = {0};   
   
FARPROC CreateFile_Addr;   
DWORD WINAPI HOOKCF(LPVOID lpParameter);
HANDLE WINAPI MyCreateFile(   
  LPCTSTR lpFileName,   
  DWORD dwDesiredAccess,   
  DWORD dwShareMode,   
  LPSECURITY_ATTRIBUTES lpSecurityAttributes,   
  DWORD dwCreationDisposition,   
  DWORD dwFlagsAndAttributes,   
  HANDLE hTemplateFile   
  )   
{   
MessageBox(0,lpFileName,0,0);   
   
  WriteProcessMemory( INVALID_HANDLE_VALUE, (void*)CreateFile_Addr,   
  (void*)OldBytes, 8, NULL);   
   
 
  HANDLE hFile=CreateFileA(lpFileName,dwDesiredAccess,dwShareMode,   
  lpSecurityAttributes,dwCreationDisposition,dwFlagsAndAttributes,hTemplateFile);   
    
  WriteProcessMemory(INVALID_HANDLE_VALUE, (void*)CreateFile_Addr,   
  (void*)NewBytes, 8, NULL);   
   
  return hFile;   
}   BOOL APIENTRY DllMain( HANDLE hModule,  
  DWORD ul_reason_for_call,  
  LPVOID lpReserved
  )
{
  if (ul_reason_for_call == DLL_PROCESS_ATTACH)
 {
 hTh = CreateThread(NULL,0,CFHOOK,0,0,NULL);
 hInst = (HINSTANCE)hModule;
 } return TRUE;
}
extern "C" _declspec(dllexport) void SetHook()
{
 hhookk = SetWindowsHookEx(WH_GETMESSAGE,NULFUNC,hInst,0);
}
extern "C" _declspec(dllexport) void StopHook()
{
 UnhookWindowsHookEx(hhookk);
}LRESULT CALLBACK NULFUNC(int code,WPARAM wparam,LPARAM lparam)
{
 return ::CallNextHookEx(hhookk,code,wparam,lparam);
}DWORD WINAPI CFHOOK(LPVOID lpParameter)
{
 HMODULE hModule_Kernel32 = LoadLibrary("Kernel32.dll");   
  CreateFile_Addr = GetProcAddress(hModule_Kernel32, "CreateFileA");   
    
  if(ReadProcessMemory(INVALID_HANDLE_VALUE,CreateFile_Addr,OldBytes,8,NULL)==0)   
  {   
  MessageBox(0,"ReadProcessMemory error",0,0);   
  return 0;   
  }   
    
 
  *(DWORD*)(NewBytes + 1) = (DWORD)MyCreateFile;   
    
   
  WriteProcessMemory(INVALID_HANDLE_VALUE,CreateFile_Addr,NewBytes,8,NULL);  
 return 0;
}