您先將防毒軟體更新到最新病毒碼, 徹底的做一次完整掃描看看,
下面有幾個軟體都還不錯, 可以試試看...
Ad-aware Standard Edition - 廣告軟體清除程式
http://www.lavasoftusa.com/software/adaware/
Spy Sweeper - 可以清除木馬/廣告軟體/間諜軟體
automatically detects and can remove all common forms of spyware programs including Trojans, system monitors, keyloggers and adware.
http://www.webroot.com/wb/products/spysweeper/index.php
NetMeter 網路流量監視器 Freeware:
NetMeter is a small, customizable network bandwidth monitoring program for Windows 95/98/98SE/ME/NT4/2000/XP.
http://readerror.gmxhome.de/