嗯~~~
如果確定是這網站在搞鬼，你可以試一下這個Cleaner
來源出處
他們搞的鬼，就用他們的程式清吧，步驟寫得很清楚..試試看..

如果你不想為這事，裝去廣告的應用軟體或移除程式，
那可以先去查一下之前有沒被偷裝你不認識的軟體，
登錄檔那也搜一下..

其實那網站也有提到避免之法
To protect your computer, we can recommend:
1) Download all security updates at http://windowsupdate.microsoft.com
2) Install anti-virus software on you PC and make all necessary update on time.
3) NEVER allow any ActiveX component to install on you PC (with no prior electronic certificate)
4) Think twice before making some site your starting page.
5) Increase Security level in your browser properties.