[Bibixy]

It all started with NAV warning about vundo presence in the system. I tried
1)to remove the trojan with NAV not possible because the file was in use.
2)symantec removal tool It found no trace of the trojan.
3)manual removal as described in your forum after modifying the register I discovered the malicious entries were back again.
Finally I uninstalled NAV and installed Avast antivirus which found the trojan and killed it.
When I re-set System restore I found out some problems.

A) If I try to launch Start/Programs/Accessories/System Utilities/System restore nothing happens. I can see the process rstrui.exe in the Task manager but that's all.
B) In Internet Explorer, if I press ctrl-F the usual FIND windows open, but it's not possible either to launch or cancel the search. I can only close the windows clicking the cross in the right-upper corner.
C) I cannoct connect to Windows Update service anymore. The browser gets stuck on a page saying "Searching for last version of windows update" (or something similar, I'm translating from italian.)
D) Windows Media player is not working anymore: Application Internal Error. I tried to upgrade from 9 to 10 but it gave just the same error at launch.

I stop here but I fear other problems could reveal in the future.

I really hope someone can help me to fix this mess.

Here I paste my last HijackThis log. Thanx in advance.

Logfile of HijackThis v1.99.1
Scan saved at 22.41.24, on 01/05/2005
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:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\ezSP_Px.exe
C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Programmi\drag'n drop cd+dvd\BinFiles\DragDrop.exe
C:\Programmi\iTunes\iTunesHelper.exe
C:\Programmi\iPod\bin\iPodService.exe
C:\WINDOWS\system32\LVCOMSX.EXE
C:\Programmi\Logitech\Video\LogiTray.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\Adobe\Acrobat 6.0\Distillr\acrotray.exe
C:\Programmi\Logitech\Video\FxSvr2.exe
C:\Programmi\Avant Browser\avant.exe
C:\WINDOWS\system32\Restore\rstrui.exe
C:\Documents and Settings\user\Desktop\Vundo\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.club-vaio.sony-europe.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - Default URLSearchHook is missing
O4 - HKLM\..\Run: [ezShieldProtector for Px] C:\WINDOWS\System32\ezSP_Px.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [Drag'n Drop CD+DVD] C:\Programmi\drag'n drop cd+dvd\BinFiles\DragDrop.exe /StartUp
O4 - HKLM\..\Run: [CloneCDElbyCDFL] "C:\Programmi\Elaborate Bytes\CloneCD\ElbyCheck.exe" /L ElbyCDFL
O4 - HKLM\..\Run: [mmtask] c:\Program Files\MusicMatch\MusicMatch Jukebox\mmtask.exe
O4 - HKLM\..\Run: [iTunesHelper] C:\Programmi\iTunes\iTunesHelper.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [ZingSpooler] C:\Program Files\Common Files\Zing\ZingSpooler.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Creative WebCam Tray] C:\Programmi\Creative\Shared Files\CAMTRAY.EXE
O4 - HKLM\..\Run: [LVCOMSX] C:\WINDOWS\system32\LVCOMSX.EXE
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Programmi\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Programmi\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [AutoUpdater] "C:\Program Files\AutoUpdate\AutoUpdate.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] C:\Programmi\Logitech\Video\ManifestEngine.exe boot
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [msnmsgr] "C:\Programmi\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: Acrobat Assistant.lnk = C:\Programmi\Adobe\Acrobat 6.0\Distillr\acrotray.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: Aggiungi l'indirizzo alla Lista Nera della pubblicità - C:\Programmi\Avant Browser\AddToADBlackList.htm
O8 - Extra context menu item: Apri tutti i collegamenti nella pagina in linguette diverse - C:\Programmi\Avant Browser\OpenAllLinks.htm
O8 - Extra context menu item: Blocca tutte le immagini provenienti dal server di questa - C:\Programmi\Avant Browser\AddAllToADBlackList.htm
O8 - Extra context menu item: Cerca con Google - C:\Programmi\Avant Browser\Search.htm
O8 - Extra context menu item: Evidenzia in questa pagina - C:\Programmi\Avant Browser\Highlight.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O14 - IERESET.INF: START_PAGE_URL=http://www.club-vaio.sony-europe.com/
O15 - Trusted Zone: *.sony-europe.com
O15 - Trusted Zone: *.sonystyle-europe.com
O15 - Trusted Zone: *.vaio-link.com
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: pcAnywhere Host Service (awhost32) - Symantec Corporation - C:\Programmi\Symantec\pcAnywhere\awhost32.exe
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Programmi\File comuni\Sony Shared\AVLib\Sptisrv.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: VAIO Media Music Server (VAIOMediaPlatform-MusicServer-AppServer) - Unknown owner - C:\Programmi\sony\vaio media music server\SSSvr.exe" /Service=VAIOMediaPlatform-MusicServer-AppServer /DisplayName="VAIO Media Music Server (file missing)
O23 - Service: VAIO Media Music Server (HTTP) (VAIOMediaPlatform-MusicServer-HTTP) - Unknown owner - C:\Programmi\File comuni\Sony Shared\vaio media platform\sv_httpd.exe" /Service=VAIOMediaPlatform-MusicServer-HTTP /RegRoot="Software\Sony Corporation\VAIO Media Platform\2.0" /RegExt="Applications\MusicServer\HTTP (file missing)
O23 - Service: VAIO Media Music Server (UPnP) (VAIOMediaPlatform-MusicServer-UPnP) - Sony Corporation - C:\Programmi\File comuni\Sony Shared\vaio media platform\UPnPFramework.exe
O23 - Service: VAIO Media Photo Server (VAIOMediaPlatform-PhotoServer-AppServer) - Sony Corporation - C:\Programmi\sony\photo server\appsrv\PhotoAppSrv.exe
O23 - Service: VAIO Media Photo Server (HTTP) (VAIOMediaPlatform-PhotoServer-HTTP) - Unknown owner - C:\Programmi\File comuni\sony shared\vaio media platform\SV_Httpd.exe" /Service=VAIOMediaPlatform-PhotoServer-HTTP /RegRoot="Software\Sony Corporation\VAIO Media Platform\2.0" /RegExt="\Applications\PhotoServer\HTTP (file missing)
O23 - Service: VAIO Media Photo Server (UPnP) (VAIOMediaPlatform-PhotoServer-UPnP) - Sony Corporation - C:\Programmi\File comuni\sony shared\vaio media platform\UPnPFramework.exe

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Click start then run then type sfc /scannow to replace system files, you need the XP CD

L'inizio di scatto allora fa funzionare allora il tipo lo sfc /scannow
per sostituire le lime di sistema, voi ha bisogno del CD di XP

[Retired Tech]

Click start then run then type sfc /scannow to replace system files, you need the XP CD

L'inizio di scatto allora fa funzionare allora il tipo lo sfc /scannow
per sostituire le lime di sistema, voi ha bisogno del CD di XP

[Bibixy]

Hi Keith, I tried "sfc /scannow", a small window opened for several minutes asking to wait till sfc checked for file integrity. When the progress bar came to the end the windows closed without other messages. Nothing was repaired. I had a doubt so I removed my XP CD from the drive and started again the process. It went just the same, and it didn't even ask for the CD.
It didn't worked at all in safe mode, not that I was hoping too much about this last option...

Do you have any other suggestion?

I want to thank you anyway.

[Retired Tech]

For system restore look here

System Restore

To troubleshoot system Restore try here

Troubleshoot System Restore

For System Configuration try here

System Configuration

[Retired Tech]

You might want to try checking you have not got any invalid registry entries which could be causing issues, run tune up trial disc cleaner, registry cleaner then click optimize to run reg defrag, which takes a few minutes and needs reboot

Tune Up Trial