net.exe 在system32 和C盘根目录下都有 ， 删不掉
winini.exe. 也删不掉 。 在C 的根目录下 有几个winsys有关的文件也删不掉

我该怎么办啊


hijackthis 日志如下
 
Logfile of HijackThis v1.99.1
Scan saved at 0:34:07, on 2008-4-19
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
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:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\wscntfy.exe
C:\WINDOWS\system32\CTFMON.EXE
E:\ChinaNet\VnetClient.exe
E:\Maxthon\Max.exe
c:\net.exe
C:\WINDOWS\system32\winini.exe
E:\360safe\360Safe.exe
E:\360safe\safemon\360Tray.exe
E:\Thunder迅雷\Program\Thunder5.exe
C:\Documents and Settings\szk\桌面\U盘防火墙.exe
E:\set up\HijackThis.exe

O2 - BHO: Thunder AtOnce - {01443AEC-0FD1-40fd-9C87-E93D1494C233} - E:\Thunder迅雷\ComDlls\TDAtOnce_Now.dll
O2 - BHO: DsHelper - {0D42E1BD-09DD-4873-A826-9C7E793EB7B6} - (no file)
O2 - BHO: ThunderBHO - {889D2FEB-5411-4565-8998-1DD2C5261283} - E:\Thunder迅雷\ComDlls\xunleiBHO_Now.dll
O4 - HKLM\..\Run: [SKYNET Personal FireWall] E:\SKYNET\pfw.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
O4 - HKLM\..\RunOnce: [360Safe] Rundll32.exe E:\360safe\AntiAdwa.dll,KillAdware
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: 星空极速3.0.lnk = E:\ChinaNet\VnetClient.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: 使用迅雷下载 - E:\Thunder迅雷\Program\geturl.htm
O8 - Extra context menu item: 使用迅雷下载全部链接 - E:\Thunder迅雷\Program\getallurl.htm
O8 - Extra context menu item: 导出到 Microsoft Excel(&x) - res://C:\PROGRA~1\MICROS~3\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: 添加到QQ表情 - e:\QQ\AddEmotion.htm
O9 - Extra button: Web反病毒保护 - {1F460357-8A94-4D71-9CA3-AA4ACF32ED8E} - E:\Kaspersky Anti-Virus 6.0\scieplugin.dll
O9 - Extra button: PPLive - {95B3F550-91C4-4627-BCC4-521288C52977} - e:\PPLive\PPLive.exe
O9 - Extra 'Tools' menuitem: PPLive - {95B3F550-91C4-4627-BCC4-521288C52977} - e:\PPLive\PPLive.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O17 - HKLM\System\CCS\Services\Tcpip\..\{9DC1F6E8-28E5-49CC-9B51-99A9515B4017}: NameServer = 202.190.99.102
O17 - HKLM\System\CCS\Services\Tcpip\..\{BBAFEF20-D254-4566-BAC0-B9D09684ED3F}: NameServer = 202.103.96.68 202.103.96.112
O18 - Protocol: KuGoo - {6AC4FBC7-AA38-45EC-9634-D6D20B679EFC} - C:\WINDOWS\system32\KuGoo3DownXControl.ocx
O18 - Protocol: KuGoo3 - {6AC4FBC7-AA38-45EC-9634-D6D20B679EFC} - C:\WINDOWS\system32\KuGoo3DownXControl.ocx
O23 - Service: 卡巴斯基反病毒6.0 (AVP) - Unknown owner - E:\Kaspersky Anti-Virus 6.0\avp.exe" -r (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe



[用户系统信息]Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon)