Questo è il log:

Logfile of HijackThis v1.99.1
Scan saved at 10.43.35, on 18/01/2006
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\SYSTEM32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Programmi\AVPersonal\AVGUARD.EXE
C:\Programmi\AVPersonal\AVWUPSRV.EXE
C:\WINNT\system32\inetsrv\inetinfo.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\tcpsvcs.exe
C:\WINNT\System32\snmp.exe
C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\svchost.exe
c:\novell\clntrust.exe
C:\WINNT\Explorer.EXE
C:\WINNT\system32\NWTRAY.EXE
C:\Documents and Settings\Administrator\Desktop\HijackThis.exe

R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 130.1.1.10:8080
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [NWTRAY] NWTRAY.EXE
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1122990565500
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1136909088906
O16 - DPF: {C0435A37-6C7B-4DF8-A1CF-6A6DC8A9CA74} (NamoWeCtl 5.0 for sjnamo_auth) - http://www.namo.com/products/activesquare/5.0/NamoWec5_auth.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{9959679F-6CF2-45B0-8327-A26096F69918}: NameServer = 151.99.125.2,151.99.250.2
O20 - Winlogon Notify: RegCompact - C:\WINNT\SYSTEM32\RegCompact.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Programmi\File comuni\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Programmi\AVPersonal\AVGUARD.EXE
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Programmi\AVPersonal\AVWUPSRV.EXE
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe

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Non riesco in nessun modo a reinstallare efficacemente il browser Explorer.

Ti ringrazio

Leggi il blog di Vincenzo di Russo MVP

http://blogs.dotnethell.it/vincent/Post_1855.aspx
saluti
Andrea

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