我在看防火墙时，看到的进程日志显示为：
2007-01-23 22:39:40, 系统禁止本地syshost.exe连接网络的请求，地址为：TCP, 0.0.0.0:2918 => 222.73.11.196:80[WEB网页]程序名称为：C:\WINDOWS\system32\syshost.exe

请问syshost.exe是否为病毒，网上说是病毒。并应该怎么查杀。

病毒，直接删除

syshost.exe ?确定 如果是他就是病毒
扫sreng日志上来

HijackThis_815汉化版扫描日志 V1.99.1
保存于      21:58:50, 日期 2007-1-24
操作系统：  Windows XP SP2 (WinNT 5.01.2600)
浏览器：    Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Rising\Rav\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Rising\Rav\RavStub.exe
c:\program files\rising\rfw\RfwMain.exe
C:\WINDOWS\System32\DRIVERS\CDANTSRV.EXE
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
G:\Program Files\Rising\AntiSpyware\runiep.exe
C:\Program Files\Rising\Rav\RavTask.exe
C:\Program Files\Rising\Rav\Ravmon.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
G:\Hijackthis1991zww\HijackThis1991zww.exe

O3 - IE工具栏增项: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\system32\KakaTool.dll
O4 - 启动项HKLM\\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - 启动项HKLM\\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - 启动项HKLM\\Run: [runeip] G:\Program Files\Rising\AntiSpyware\runiep.exe
O4 - 启动项HKLM\\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - 启动项HKLM\\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - 启动项HKLM\\RunOnce: [RavStub] "C:\Program Files\Rising\Rav\ravstub.exe" /RUNONCE
O4 - 启动项HKLM\\RunOnce: [Super Rabbit SRCK] "G:\Program Files\Super Rabbit\MagicSet\SRCK.exe" /autokill:274
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Microsoft Office.lnk = D:\Program Files\Microsoft Office\Office\OSA9.EXE
O8 - IE右键菜单中的新增项目: &使用快车(FlashGet)下载 - G:\Program Files\FlashGet\jc_link.htm
O8 - IE右键菜单中的新增项目: &使用快车(FlashGet)下载全部链接 - G:\Program Files\FlashGet\jc_all.htm
O10 - Broken Internet access because of LSP provider 'c:\windows\system32\cdnns.dll' missing
O16 - DPF: {E4E2F180-CB8B-4DE9-ACBB-DA745D3BA153} (Rising Web Scan Object) - http://download.rising.com.cn/register/pcver/autoupgradepad/pcver2006new/OL2006.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{0AA30C67-2EE7-4512-A75E-D42969DC6D31}: NameServer = 202.99.166.4 202.99.160.68
O23 - NT 服务: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - NT 服务: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - NT 服务: C-DillaSrv - C-Dilla Ltd - C:\WINDOWS\System32\DRIVERS\CDANTSRV.EXE
O23 - NT 服务: Rising Proxy  Service (RfwProxySrv) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwproxy.exe
O23 - NT 服务: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwsrv.exe
O23 - NT 服务: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\CCenter.exe
O23 - NT 服务: Rising RealTime Monitor (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\Ravmond.exe
O23 - NT 服务: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe

高手帮忙看看，现在我的系统好了吗

O10 - Broken Internet access because of LSP provider 'c:\windows\system32\cdnns.dll' missing