Someone

Logfile of HijackThis v1.99.1
Scan saved at 16:15:35, on 14/10/2007
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:\Arquivos de programas\Ahead\InCD\InCDsrv.exe
C:\WINDOWS\Explorer.EXE
C:\Arquivos de programas\Alwil Software\Avast4\aswUpdSv.exe
C:\Arquivos de programas\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\Drivers\services.exe
C:\WINDOWS\system32\Drivers\winlogon.exe
C:\ARQUIV~1\Norton SystemWorks\Norton AntiVirus\navapw32.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Arquivos de programas\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\svchost.exe
C:\Arquivos de programas\Alwil Software\Avast4\ashMaiSv.exe
C:\Arquivos de programas\Alwil Software\Avast4\ashWebSv.exe
C:\Arquivos de programas\MSN Messenger\usnsvc.exe
C:\Arquivos de programas\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\dllcache\winlogon.exe
C:\WINDOWS\system32\dllcache\winlogon.exe
C:\DOCUME~1\ADMINI~1\CONFIG~1\Temp\Diretório temporário 1 para hijackthis.zip\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.orkut.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.compartilhando.org/
O1 - Hosts: 02
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Arquivos de programas\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Arquivos de programas\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Arquivos de programas\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [SunJavaUpdateSched.1] C:\WINDOWS\system32\Drivers\services.exe
O4 - HKLM\..\Run: [Winlogon] C:\WINDOWS\system32\Drivers\winlogon.exe
O4 - HKLM\..\Run: [NAV CfgWiz] C:\ARQUIV~1\Norton SystemWorks\Norton AntiVirus\Cfgwiz.exe /R
O4 - HKLM\..\Run: [NAV Agent] C:\ARQUIV~1\Norton SystemWorks\Norton AntiVirus\navapw32.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\Microsoft Office\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Arquivos de programas\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Arquivos de programas\Java\jre1.5.0_05\bin\npjpi150_05.dll
O14 - IERESET.INF: SEARCH_PAGE_URL=&http://home.microsoft.com/intl/br/access/allinone.asp
O14 - IERESET.INF: START_PAGE_URL=http://www.compartilhando.org/
O17 - HKLM\System\CCS\Services\Tcpip\..\{8E24ACBE-E5E4-4413-929D-7321204B1FEA}: NameServer = 200.223.237.2
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\ARQUIV~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\ARQUIV~1\MSNMES~1\MSGRAP~1.DLL
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Arquivos de programas\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Arquivos de programas\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Arquivos de programas\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Arquivos de programas\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: InCD Helper (InCDsrv) - Ahead Software AG - C:\Arquivos de programas\Ahead\InCD\InCDsrv.exe
O23 - Service: Serviço de Proteção automática do Norton AntiVirus (navapsvc) - Symantec Corporation - C:\Arquivos de programas\Norton SystemWorks\Norton AntiVirus\navapsvc.exe
O23 - Service: ScriptBlocking Service (SBService) - Unknown owner - C:\ARQUIV~1\ARQUIV~1\Symantec Shared\Script Blocking\SBServ.exe (file missing)