spywares?

[Ikakun]

So I format my pc and installed winxp now
I hijacked and I was wondering what can I delete
here is the first log
Logfile of HijackThis v1.99.1
Scan saved at 22:58:45, on 13/5/2005
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\MsgSys.EXE
C:\Arquivos de programas\iTunes\iTunesHelper.exe
C:\Arquivos de programas\MSN Messenger\MsnMsgr.Exe
C:\Arquivos de programas\iPod\bin\iPodService.exe
C:\Arquivos de programas\Arquivos comuns\Microsoft Shared\VS7Debug\mdm.exe
C:\ARQUIV~1\MSNGAM~1\zone.exe
C:\Arquivos de programas\Internet Explorer\IEXPLORE.EXE
C:\ARQUIV~1\MSNGAM~1\zproxy.exe
C:\ARQUIV~1\MSNGAM~1\zclient.exe
C:\WINDOWS\system32\msiexec.exe
C:\Documents and Settings\Windows\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = &http://home.microsoft.com/intl/br/access/allinone.asp
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [iTunesHelper] C:\Arquivos de programas\iTunes\iTunesHelper.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Arquivos de programas\MSN Messenger\MsnMsgr.Exe" /background
O8 - Extra context menu item: E&xportar para o Microsoft Excel - res://C:\ARQUIV~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe
O14 - IERESET.INF: SEARCH_PAGE_URL=&http://home.microsoft.com/intl/br/access/allinone.asp
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmesse...pdownloader.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://zone.msn.com/binFramework/v10/ZIntro.cab34246.cab
O16 - DPF: {E5D419D6-A846-4514-9FAD-97E826C84822} (HeartbeatCtl Class) - http://fdl.msn.com/zone/datafiles/heartbeat.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{4C996D95-CE3D-4E55-A187-C0DE2915C068}: NameServer = 200.204.0.10 200.204.0.138
O17 - HKLM\System\CCS\Services\Tcpip\..\{4EEE852D-D49B-4616-A89D-D65C88E9432B}: Domain = @
O20 - Winlogon Notify: NavLogon - C:\WINDOWS\system32\NavLogon.dll
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Arquivos de programas\iPod\bin\iPodService.exe