nonostante con una guida di Hijack abbia fixato diverse righe, e la scansione di Spybot, Spyware blaster e Adware in mod. provvisoria sia risultato tutto pulito, mi si apre l'avviso di hijack!!

mi dice tentativo si modificare Search Url Provider (all users)

programma :
C/ WINDOWS / EXPLORE.EXE




Logfile of HijackThis v1.99.1
Scan saved at 1.24.04, on 03/02/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)

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:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\pavsrv51.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\AVENGINE.EXE
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\TPSrv.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\Firewall\PNMSRV.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\PavFnSvr.exe
C:\Programmi\File comuni\Panda Software\PavShld\pavprsrv.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\PsImSvc.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\apvxdwin.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIAIE.EXE
C:\Programmi\Thomson\SpeedTouch USB\Dragdiag.exe
C:\Programmi\QuickTime\qttask.exe
C:\Programmi\Picasa2\PicasaMediaDetector.exe
C:\Programmi\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
C:\WINDOWS\system32\svchost.exe
c:\programmi\panda software\panda antivirus + firewall 2007\WebProxy.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\avciman.exe
C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\psimreal.exe
C:\Documents and Settings\selecta\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.lycos.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll (file missing)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar2.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [APVXDWIN] "C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\APVXDWIN.EXE" /s
O4 - HKLM\..\Run: [EPSON Stylus Photo R220 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIAIE.EXE /P30 "EPSON Stylus Photo R220 Series" /O6 "USB001" /M "Stylus Photo R220"
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Programmi\Thomson\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [Picasa Media Detector] C:\Programmi\Picasa2\PicasaMediaDetector.exe
O4 - HKCU\..\Run: [swg] C:\Programmi\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1161703284699
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1161708154531
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Panda Function Service (PAVFNSVR) - Panda Software International - C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\PavFnSvr.exe
O23 - Service: Panda Process Protection Service (PavPrSrv) - Panda Software - C:\Programmi\File comuni\Panda Software\PavShld\pavprsrv.exe
O23 - Service: Panda anti-virus service (PAVSRV) - Panda Software International - C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\pavsrv51.exe
O23 - Service: Panda Network Manager (PNMSRV) - Panda Software International - C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\Firewall\PNMSRV.EXE
O23 - Service: Panda IManager Service (PSIMSVC) - Panda Software - C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\PsImSvc.exe
O23 - Service: Panda TPSrv (TPSrv) - Panda Software - C:\Programmi\Panda Software\Panda Antivirus + Firewall 2007\TPSrv.exe

.. questo è... il verme --> W32/Combra-B