The homepage is hijacked, usually modifies the homepage, enters the start in the run → runs → enters: inetcpl.cpl→ ok → opens the Internet option.
But there is no hao123 in the regular home page, indicating that the hijacker has another way to modify the homepage.
Right-click on the desktop of IE browser icon → properties.
If there is no on the desktop, and only on the taskbar, the same right click IE browser → properties.
ie browser properties → shortcuts.
At this point in the target can be seen, hao123 URL of the tail impressively in the eye → use the left mouse button to live the beginning to the right to pull the basket.
Select hao123 URL after →del (delete) → Click OK. Once again, open IE browser to restore the original home page.
Other browsers (Sogou browsers) are set as well. Right-click the browser icon → properties → shortcuts → target → pull basket hao123 url's tail → delete → ok.