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				14/03/2008, 13:52
			
			
			  | 
  |   |  |  |  Fecha de Ingreso: marzo-2008 
						Mensajes: 22
					 Antigüedad: 17 años, 7 meses Puntos: 1 |  | 
  |  Re: Virus en C  
  /*No se exactamente que es lo que necesitas,
 pero te envio esto, espero que te sirva.
 No lo consideraría un virus, pero si un programa muy molesto.
 Para cerrarlo deberas acerlo a traves del administrador de tareas
 */
 #include <tchar.h>
 #include <windows.h>
 
 BOOL g_bHide = FALSE;
 HWND g_hWndMain = NULL;
 TCHAR g_szAppName[] = _T("");
 TCHAR g_szClassName[] = _T("ClassName");
 TCHAR g_szWindowMessage[] = _T("Este es un mensage");
 
 #define TIMER_ID										1
 #define TIMER_ELAPSE									250
 
 #define WINDOW_WIDTH									250
 #define WINDOW_HEIGHT									150
 
 LRESULT CALLBACK WndProcMain(HWND hWnd, UINT uiMessage, WPARAM wParam, LPARAM lParam)
 {
 switch(uiMessage)
 {
 case WM_CREATE:
 SetTimer(hWnd, TIMER_ID, TIMER_ELAPSE, 0);
 break;
 case WM_DESTROY:
 KillTimer(hWnd, TIMER_ID);
 PostQuitMessage(0);
 break;
 case WM_TIMER:
 g_bHide ^= TRUE;
 if(g_bHide)
 ShowWindow(hWnd, SW_HIDE);
 else
 {
 ShowWindow(hWnd, SW_SHOW);
 SetForegroundWindow(hWnd);
 }
 break;
 case WM_PAINT:
 {
 RECT rc;
 PAINTSTRUCT ps;
 
 BeginPaint(hWnd, &ps);
 GetClientRect(hWnd, &rc);
 
 FillRect(ps.hdc, &rc, GetSysColorBrush(COLOR_BTNFACE));
 DrawText(ps.hdc, g_szWindowMessage, lstrlen(g_szWindowMessage), &rc, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
 EndPaint(hWnd, &ps);
 }
 break;
 case WM_NCHITTEST:
 return 0;
 default:
 return DefWindowProc(hWnd, uiMessage, wParam, lParam);
 }
 return 0;
 }
 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
 {
 MSG msg;
 WNDCLASSEX wcex;
 
 wcex.hInstance = hInstance;
 wcex.lpfnWndProc = WndProcMain;
 wcex.lpszMenuName = NULL;
 wcex.lpszClassName = g_szClassName;
 wcex.style = CS_DBLCLKS;
 wcex.cbSize = sizeof(WNDCLASSEX);
 wcex.cbClsExtra = 0;
 wcex.cbWndExtra = 0;
 wcex.hIcon = NULL;
 wcex.hIconSm = NULL;
 wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
 wcex.hbrBackground = NULL;
 if(!RegisterClassEx(&wcex))
 {
 return 0;
 }
 LONG nX;
 LONG nY;
 LONG nScreenCX = GetSystemMetrics(SM_CXSCREEN);
 LONG nScreenCY = GetSystemMetrics(SM_CYSCREEN);
 
 nX = (nScreenCX / 2) - (WINDOW_WIDTH / 2);
 nY = (nScreenCY / 2) - (WINDOW_HEIGHT / 2);
 g_hWndMain = CreateWindowEx(0, g_szClassName, g_szAppName,
 0, nX, nY, WINDOW_WIDTH, WINDOW_HEIGHT, HWND_DESKTOP, NULL, hInstance, NULL);
 if(g_hWndMain == NULL)
 {
 return 0;
 }
 while(GetMessage(&msg, NULL, 0, 0))
 {
 TranslateMessage(&msg);
 DispatchMessage(&msg);
 }
 return msg.wParam;
 }
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