OK!
Here is the log, and thank you for everything.
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:58, on 2008-04-10
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Programas\Ficheiros comuns\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programas\Norton AntiVirus\navapsvc.exe
C:\Programas\Norton AntiVirus\AdvTools\NPROTECT.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Programas\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Programas\Ficheiros comuns\Symantec Shared\ccApp.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE
C:\Programas\Java\jre1.6.0_05\bin\jusched.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programas\Steam\Steam.exe
C:\Programas\SUPERAntiSpyware\SUPERAntiSpyware.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programas\Mozilla Firefox\firefox.exe
C:\Programas\MSN Messenger\msnmsgr.exe
C:\WINDOWS\System32\svchost.exe
C:\Programas\Messenger\msmsgs.exe
C:\Programas\Trend Micro\HijackThis\HijackThis.exe
O2 - BHO: (no name) - {024CD04E-C4AC-4BC8-8B0B-70D6A7DEBCF6} - (no file)
O2 - BHO: Facilitador de Leitor de Link Adobe PDF - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programas\Ficheiros comuns\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: {8c94c7ba-ee28-6a2b-b214-791782b6b983} - {389b6b28-7197-412b-b2a6-82eeab7c49c8} - (no file)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programas\Java\jre1.6.0_05\bin\ssv.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programas\Ficheiros comuns\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: iSecurity - {A8311E8F-E459-4D22-89B4-CB9DCF10A425} - C:\WINDOWS\system32\ISECUR~1.CPL
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programas\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programas\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [Ptipbmf] rundll32.exe ptipbmf.dll,SetWriteCacheMode
O4 - HKLM\..\Run: [ATIPTA] C:\Programas\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [ccApp] C:\Programas\Ficheiros comuns\Symantec Shared\ccApp.exe
O4 - HKLM\..\Run: [ccRegVfy] C:\Programas\Ficheiros comuns\Symantec Shared\ccRegVfy.exe
O4 - HKLM\..\Run: [Advanced Tools Check] C:\PROGRA~1\NORTON~1\AdvTools\ADVCHK.EXE
O4 - HKLM\..\Run: [EPSON Stylus C64 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C64 Series" /O6 "USB001" /M "Stylus C64"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programas\Java\jre1.6.0_05\bin\jusched.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programas\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programas\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [iSecurity applet] rundll32.exe iSecurity.cpl,SecurityMonitor
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\pchealth\helpctr\Binaries\MSCONFIG.EXE /auto
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Steam] "C:\Programas\Steam\Steam.exe" -silent
O4 - HKCU\..\Run: [SUPERAntiSpyware] C:\Programas\SUPERAntiSpyware\SUPERAntiSpyware.exe
O4 - HKCU\..\Run: [AlcoholAutomount] "C:\Programas\Alcohol Soft\Alcohol 120\axcmd.exe" /automount
O4 - HKUS\S-1-5-18\..\Run: [ALUAlert] C:\Programas\Symantec\LiveUpdate\ALUNotify.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [ALUAlert] C:\Programas\Symantec\LiveUpdate\ALUNotify.exe (User 'Default user')
O8 - Extra context menu item: E&xportar para o Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programas\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programas\Java\jre1.6.0_05\bin\ssv.dll
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) -
http://messenger.zon...ro.cab56649.cabO16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) -
http://messenger.zon...nt.cab56907.cabO17 - HKLM\System\CCS\Services\Tcpip\..\{B718459A-9CDF-4EDB-B0C9-79F57B5FA9EE}: NameServer = 192.168.1.254
O20 - AppInit_DLLs: iSecurity.cpl
O20 - Winlogon Notify: !SASWinLogon - C:\Programas\SUPERAntiSpyware\SASWINLO.dll
O20 - Winlogon Notify: ddcddee - ddcddee.dll (file missing)
O20 - Winlogon Notify: gebawxv - gebawxv.dll (file missing)
O20 - Winlogon Notify: vyhtucog - vyhtucog.dll (file missing)
O20 - Winlogon Notify: winahs32 - winahs32.dll (file missing)
O21 - SSODL: CDDrive - {fcfcdef9-ab4d-4b11-ac1f-76606c826899} - (no file)
O21 - SSODL: iSecurity - {A8311E8F-E459-4D22-89B4-CB9DCF10A425} - C:\WINDOWS\system32\ISECUR~1.CPL
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programas\Ficheiros comuns\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Programas\Ficheiros comuns\Symantec Shared\ccPwdSvc.exe
O23 - Service: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Programas\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\Programas\Norton AntiVirus\AdvTools\NPROTECT.EXE
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHEI~1\SYMANT~1\SCRIPT~1\SBServ.exe
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End of file - 5920 bytes