请大家帮我看一下是什么问题，总是有恶意网站每隔几分钟弹出
Logfile of Kaka v2. 0. 0. 9 Scan Module v2. 0. 0. 1
Scan saved at 14:57:54, on 2006-08-27
Platform: Microsoft Windows XP Personal Service Pack 2 (Build 2600)
MSIE: Internet Explorer v6.00 SP2; (6.00.2900.2180 (xpsp_sp2_rtm.040803-2158))


Running processes:
[SMSS.EXE]
CommandLine =

[CSRSS.EXE]
CommandLine = C:\WINDOWS\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,3072,512 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ProfileControl=Off MaxRequestThreads=16

[WINLOGON.EXE]
CommandLine = winlogon.exe

[SERVICES.EXE]
CommandLine = C:\WINDOWS\system32\services.exe

[LSASS.EXE]
CommandLine = C:\WINDOWS\system32\lsass.exe

[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost -k DcomLaunch

[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost -k rpcss

[CCenter.exe]
CommandLine = "C:\Program Files\Rising\Rav\CCenter.exe"

[SVCHOST.EXE]
CommandLine = C:\WINDOWS\System32\svchost.exe -k netsvcs

[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost.exe -k NetworkService

[SVCHOST.EXE]
CommandLine = C:\WINDOWS\system32\svchost.exe -k LocalService

[RavMonD.exe]
CommandLine = "C:\Program Files\Rising\Rav\Ravmond.exe"

[RFWSRV.EXE]
CommandLine = "c:\program files\rising\rfw\rfwsrv.exe"

[RUNDLL32.EXE]
CommandLine = Rundll32.exe C:\WINDOWS\DOWNLO~1\CnsMin.dll,Rundll32

[SPOOLSV.EXE]
CommandLine = C:\WINDOWS\system32\spoolsv.exe

[RavStub.exe]
CommandLine = "C:\Program Files\Rising\Rav\RavStub.exe" /RAVMOND

[RfwMain.exe]
CommandLine =  -StartUp

[MDM.EXE]
CommandLine = "C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE"

[nvsvc32.exe]
CommandLine = C:\WINDOWS\system32\nvsvc32.exe