最近朋友本本出问题了，开机以后网络连接启动很慢，我的电脑打开的也很慢，不知是怎么回事，用HijackThis扫描了日志，麻烦高手看下是什么问题
ijackThis_815汉化版扫描日志 V1.99.1
保存于 11:17:57, 日期 2009-5-18
操作系统： Windows XP SP3 (WinNT 5.01.2600)
浏览器： Internet Explorer v6.00 SP3 (6.00.2900.5512)
当前运行的进程：
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KPfwSvc.EXE
C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KWatch.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
D:\360safebox\SafeBoxTray.exe
C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KAVStart.exe
D:\360safe\safemon\360Tray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KISSvc.EXE
C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KMailMon.EXE
C:\WINDOWS\system32\svchost.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar$EX00.203\HijackThis.exe
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe
O2 - BHO: Thunder AtOnce - {01443AEC-0FD1-40fd-9C87-E93D1494C233} - D:\迅雷\ComDlls\TDAtOnce_Now.dll
O2 - BHO: BandIE Class - {77FEF28E-EB96-44FF-B511-3185DEA48697} - C:\PROGRA~1\baidu\bar\baidubar.dll
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - D:\迅雷\ComDlls\xunleiBHO_Now.dll
O2 - BHO: SafeMon Class - {B69F34DD-F0F9-42DC-9EDD-957187DA688D} - D:\360safe\safemon\safemon.dll
O2 - BHO: kingsoft browser shield - {D963BE1A-6B35-47DB-B002-49FAE71D85CC} - C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KASBrowserShield.DLL
O3 - IE工具栏增项: 百度工具栏 - {B580CF65-E151-49C3-B73F-70B13FCA8E86} - C:\PROGRA~1\baidu\bar\baidubar.dll
O4 - 启动项HKLM\\Run: [360Safebox] "D:\360safebox\SafeBoxTray.exe" /r
O4 - 启动项HKLM\\Run: [KavStart] "C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KAVStart.exe" -startup
O4 - 启动项HKLM\\Run: [360Safetray] D:\360safe\safemon\360Tray.exe /start
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O8 - IE右键菜单中的新增项目: 使用迅雷下载 - D:\迅雷\Program\GetUrl.htm
O8 - IE右键菜单中的新增项目: 使用迅雷下载全部链接 - D:\迅雷\Program\GetAllUrl.htm
O8 - IE右键菜单中的新增项目: 导出到 Microsoft Office Excel(&X) - res://C:\PROGRA~1\MICROS~1\OFFICE11\EXCEL.EXE/3000
O8 - IE右键菜单中的新增项目: 添加到QQ表情 - D:\Program Files\Tencent\QQ\AddEmotion.htm
O9 - 浏览器额外的按钮: 启动迅雷5 - {09BA8F6D-CB54-424B-839C-C2A6C8E6B436} - D:\迅雷\Thunder.exe
O9 - 浏览器额外的“工具”菜单项: 启动迅雷5 - {09BA8F6D-CB54-424B-839C-C2A6C8E6B436} - D:\迅雷\Thunder.exe
O9 - 浏览器额外的按钮: 金山网页防挂马模块设置 - {3AECD3C1-7085-4731-96DC-47B6CF7EF749} - C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\IEBuddyExt.DLL
O9 - 浏览器额外的“工具”菜单项: 金山网页防挂马模块设置 - {3AECD3C1-7085-4731-96DC-47B6CF7EF749} - C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\IEBuddyExt.DLL
O20 - Winlogon Notify: dimsntfy - %SystemRoot%\System32\dimsntfy.dll (file missing)
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll
O23 - NT 服务: Kingsoft Basic Service (kaccore) - Kingsoft Corporation - C:\Program Files\Kingsoft\KAC\Service\kaccore.exe
O23 - NT 服务: Kingsoft Internet Security Common Service (KISSvc) - Kingsoft Corporation - C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KISSvc.EXE
O23 - NT 服务: Kingsoft Personal Firewall Service (KPfwSvc) - Kingsoft Corporation - C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KPfwSvc.EXE
O23 - NT 服务: Kingsoft Antivirus KWatch Service (KWatchSvc) - Kingsoft Corporation - C:\Program Files\Kingsoft\Kingsoft Internet Security 2008\KWatch.EXE
用户系统信息：Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
