主页被改成http://www.2345.com/?duote2

1.建议使用XDelBox删除以下文件：(XDelBox1.3下载)
使用说明：删除时复制所有要删除文件的路径，在待删除文件列表里点击右键选择从剪贴板导入，导入后在要删除文件上点击右键，选择立刻重启删除，电脑会重.启进入DOS界面进行删除操作。运行xdelbox前最好卸载所有可.移动存储介质（包括U盘，MP3，手机存储卡等）。

d:\progra~1\yahoo!\assist~1\yalive.dll
d:\progra~1\yahoo!\assist~1\yalliveex.dll
d:\progra~1\yahoo!\assist~1\yhelper.dll
d:\program files\yahoo!\assistant\ynotifier.dll
d:\progra~1\yahoo!\assist~1\ylive.exe
d:\progra~1\yahoo!\assist~1\yscrblock.dll
d:\progra~1\yahoo!\assist~1\assist\yadfil~1.dll
d:\progra~1\yahoo!\assist~1\assist\yasbar0.dll
d:\progra~1\yahoo!\assist~1\assist\yasfsks.dll
d:\progra~1\yahoo!\assist~1\assist\yasiesec.dll
d:\progra~1\yahoo!\assist~1\assist\yasnoad.dll
d:\progra~1\yahoo!\assist~1\assist\yaswiper.dll
d:\progra~1\yahoo!\assist~1\assist\ydrags~1.dll
d:\progra~1\yahoo!\assist~1\assist\yoptimum.dll
d:\progra~1\yahoo!\assist~1\assist\yprockg.dll
d:\progra~1\yahoo!\assist~1.\assist\yrepair.dll
d:\progra~1\yahoo!\assist~1\assist\ysearch.dll
d:\progra~1\yahoo!\assist~1\assist\ysetti~1.dll
d:\progra~1\yahoo!\assist~1\assist\yxpstyle.dll
d:\progra~1\yahoo!\assist~1\assist\yzsnetproto.dll
d:\progra~1\yahoo!\assistant\shell\yassecblk.dll
d:\program files\yahoo!\assistant\assist\yassist.dll
d:\program files\yahoo!\assistant\assist\yeheocx.dll
d:\program files\yahoo!\assistant\assist\yflashdl.dll
d:\program files\yahoo!\assistant\assist\ymailp.dll
d:\program files\yahoo!\assistant\assist\ymyweb.dll
d:\program files\yahoo!\assistant\assist\ypagetr.dll
d:\program files\yahoo!\assistant\assist\yphtb.dll
d:\progra~1\yahoo!\assist~1\assist\yassec~1.dll
D:\WINDOWS\system32\drivers\qjbvpwgq.sys
D:\WINDOWS\system32\drivers\yaskp.sys
d:\progra~1\yahoo!\.assist~1\assist\yasbar0.dll
d:\program files\yahoo!\assistant\assist\yrss.dll
d:\program files\yahoo!\assistant\assist\yangling.dll

删除d:\program files\yahoo! 这个文件夹

2.删除重启后使用SREng修复下面各项：

    启动项目 －－ 注.册表之如下项删除：
[CnsAssecblk]    <regsvr32.exe /s D:\PROGRA~1\Yahoo!\ASSIST~1\assist\YASSEC~1.DLL>

    启动项目 －－ 服务－－ 驱动程序之如下项删除：
[qjbvpwgq / qjbvpwgq]    <\SystemRoot\System32\DRIVERS\qjbvpwgq.sys>
[yaskp / yaskp]    <\SystemRoot\system32\drivers\yaskp.sys>

    系统修复－－　浏览器加载项之如.下项删除：
[雅虎搜索]    <res://D:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar0.dll/203>
[添加到雅虎订阅(&Y)]    <res://D:\Program Files\Yahoo!\Assistant\Assist\yrss.dll/YRSSMENUEXT>
[@shdoclc.dll,-866]    <>
[雅虎助手]    <http://cn.zs.yahoo.com/start.htm ... &btn=yassistnew>
[AntiFish Class]    <D:\Program Files\Yahoo!\Assistant\Assist\yAngling.dll>
[Yahoo!Photo]    <D:\Program Files\Yahoo!\Assistant\Assist\yphtb.dll>
[AntiFish Class]    <D:\Program Files\Yahoo!\Assistant\Assist\yAngling.dll>
[雅虎助手]    <D:\PROGRA~1\Yah.oo!\ASSIST~1\Assist\yasbar0.dll>
[Yahoo!Live]    <D:\PROGRA~1\Yahoo!\ASSIST~1\yalive.dll>
[DragSearch BHO]    <D:\PROGRA~1\Yahoo!\ASSIST~1\Assist\YDRAGS~1.DLL>
[yFlashDl Class]    <D:\Program Files\Yahoo!\Assistant\Assist\yflashdl.dll>
[assist]    <D:\Program Files\Yahoo!\Assistant\Assist\yassist.dll>
[yFlashDl Class]    <D:\Program Files\Yahoo!\Assistant\Assist\yflashdl.dll>
[assist]    <D:\Program Files\Yahoo!\Assistant\Assist\yassist.dll>
[Yahoo!Photo]    <D:\Program Files\Yahoo!\Assistant\Assist\yphtb.dll>
[雅虎助手]    <D:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar0.dll>

最后用windows清理助.手清理一下

用sreng修复一下关联，如还不行，就右键桌面空白处属性——桌面——自定义.桌面——勾选“Internet Explorer”，再确定！
如果有勾就先去掉勾后确定，再重新勾上！~