svchost.exe crash e connessione che cade spesso

[Ispanico82]

Ciao a tutti,

mi son beccato un virus mi sa... ogni volta che avvio il computer mi crasha il svchost.exe e mi da un paio di altri errori di "rundll" ho fatto la scansione con hijackthis e questo è il logfile:

Logfile of HijackThis v1.99.1
Scan saved at 0.55.54, on 05/05/2007
Platform: Windows XP  (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\Programmi\MessengerPlus! 3\MsgPlus.exe
C:\Programmi\MSN Messenger\msnmsgr.exe
C:\Programmi\EZ-DUB\EZ-DUB.exe
C:\Programmi\ZyXEL Corporation\ZyAIR WLAN Utility\ZyAIR.EXE
C:\WINDOWS\System32\Ati2evxx.exe
C:\WINDOWS\System32\inetsrv\inetinfo.exe
C:\Programmi\Opera\Opera.exe
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\mspaint.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\WinRAR\WinRAR.exe
C:\DOCUME~1\LUCA\IMPOST~1\Temp\Rar$EX18.484\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = 
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O1 - Hosts: 65.54.239.80 dp.msnmessenger.akadns.net
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {1557B435-8242-4686-9AA3-9265BF7525A4} - C:\WINDOWS\System32\tmp1.tmp.dll
O2 - BHO: (no name) - {3e5a237b-6527-4f69-a3b3-f280b8a45501} - C:\WINDOWS\SYSTEM32\Imagnce.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar2.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar2.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Programmi\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [ATIPTA] C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre1.5.0_10\bin\jusched.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Programmi\File comuni\Real\Update_OB\realsched.exe"  -osboot
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Lexmark_X79-55] C:\WINDOWS\System32\lsasss.exe
O4 - HKLM\..\Run: [BootService] rundll32.exe "C:\WINDOWS\vttrpn.dll",realset
O4 - HKLM\..\Run: [Intel system tool] C:\WINDOWS\System32\svehost.exe
O4 - HKLM\..\Run: [clcl3] C:\WINDOWS\System32\clcl3.exe
O4 - HKLM\..\Run: [WindowsService] rundll32.exe "C:\WINDOWS\gededa.dll",realset
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [WhatPulse] C:\PROGRA~1\WHATPU~1\WHATPU~1.EXE
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Programmi\MessengerPlus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Programmi\File comuni\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [msnmsgr] "C:\Programmi\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Adobe Reader Synchronizer.lnk = C:\Programmi\Adobe\Reader 8.0\Reader\AdobeCollabSync.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Reader 8.0\Reader\reader_sl.exe
O4 - Global Startup: Avvio veloce di Microsoft Office OneNote 2003.lnk = C:\Programmi\Microsoft Office\OFFICE11\ONENOTEM.EXE
O4 - Global Startup: EZ-DUB Finder.lnk = C:\Programmi\EZ-DUB\EZ-DUB.exe
O4 - Global Startup: ZyAIR.lnk = ?
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by123fd.bay123.hotmail.msn.co...s/MsnPUpld.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary...t.cab31267.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/ms...downloader.cab
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/binary...n.cab31267.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - AppInit_DLLs:  
O20 - Winlogon Notify: Imagnce - C:\WINDOWS\SYSTEM32\Imagnce.dll
O20 - Winlogon Notify: rpcc - C:\WINDOWS\System32\rpcc.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Web Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: MySQL - Unknown owner - C:\Programmi\MySQL\MySQL.exe (file missing)
O23 - Service: PLFlash DeviceIoControl Service - Prolific Technology Inc. - C:\WINDOWS\System32\IoCtlSvc.exe
O23 - Service: Ulead Burning Helper (UleadBurningHelper) - Ulead Systems, Inc. - C:\Programmi\File comuni\Ulead Systems\DVD\ULCDRSvr.exe

il problema è che la connessione mi cade di frequente ora... prima non succedeva.

Qualcuno mi può dire come e se si può risolvere (senza formattare ) ?

Thanks