Virus Downloader. Aiuto!!

[giop1968]

Ciao a tutti. Avrei bisogno di una mano.
Il mio Symantec AntiVirus Corporate Edition mi trova un virus denominato DOWNLOADER nel file C:\WINNT\syss.dll.
Vi posto il logo di HiJackThis.
Mi aiutate? Grazie mille in anticipo.

[giop1968]

Non sono riuscito ad allegare il file .txt, quindi lo copio di seguito:

Logfile of HijackThis v1.99.1
Scan saved at 14.39.26, on 18/10/2007
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\spoolsv.exe
C:\PROGRA~1\SYMANT~1\SYMANT~1\DefWatch.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\System32\mnmsrvc.exe
C:\PROGRA~1\SYMANT~1\SYMANT~1\Rtvscan.exe
C:\WINNT\System32\nvsvc32.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
c:\winnt\system32\winlogon.exe
C:\WINNT\Explorer.EXE
C:\WINNT\SOUNDMAN.EXE
C:\PROGRA~1\SYMANT~1\SYMANT~1\vptray.exe
C:\WINNT\system32\internat.exe
C:\Programmi\WinZip\WZQKPICK.EXE
C:\WINNT\system32\rundll32.exe
C:\Programmi\ATnotes\ATnotes.exe
C:\Programmi\Microsoft Office\Office\1040\msoffice.exe
C:\WINNT\system32\MSTask.exe
C:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\loris\Impostazioni locali\Temp\HijackThis.exe
C:\Programmi\Internet Explorer\iexplore.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.comune.chions.pn.it/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyServer = proxy-eell.regione.fvg.it:801
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = idas9000;172.20.142.67;<local>
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O3 - Toolbar: @msdxmLC.dll,-1@1040,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE NvQTwk,NvCplDaemon initialize
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\SYMANT~1\SYMANT~1\vptray.exe
O4 - HKLM\..\Run: [fhaaza.exe] C:\DOCUME~1\loris\IMPOST~1\Temp\fhaaza.exe
O4 - HKLM\..\Run: [monimzex] "c:\winnt\system32\monimzex.exe"
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - HKCU\..\Run: [NVIEW] rundll32.exe nview.dll,nViewLoadHook
O4 - Startup: ATnotes.lnk = C:\Programmi\ATnotes\ATnotes.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Programmi\WinZip\WZQKPICK.EXE
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: {9b935470-ad4a-11d5-b63e-00c04faedb18} (Oracle JInitiator 1.1.8.16) -
O17 - HKLM\System\CCS\Services\Tcpip\..\{0492EC14-DBD9-4860-BA4C-133356BDFA42}: NameServer = 172.20.127.25
O17 - HKLM\System\CS1\Services\Tcpip\..\{0492EC14-DBD9-4860-BA4C-133356BDFA42}: NameServer = 172.20.127.25
O17 - HKLM\System\CS2\Services\Tcpip\..\{0492EC14-DBD9-4860-BA4C-133356BDFA42}: NameServer = 172.20.127.25
O20 - Winlogon Notify: NavLogon - C:\WINNT\system32\NavLogon.dll
O23 - Service: DefWatch - Symantec Corporation - C:\PROGRA~1\SYMANT~1\SYMANT~1\DefWatch.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Symantec AntiVirus Client (Norton AntiVirus Server) - Symantec Corporation - C:\PROGRA~1\SYMANT~1\SYMANT~1\Rtvscan.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINNT\System32\nvsvc32.exe

[amvinfe]

Scarica ftp://ftp.drweb.com/pub/drweb/cureit/cureit.exe

Esegui la scansione con CureIT. Riavvia il pc.

NB
ricordati che la scansione va effettuata non connesso e con il tuo antivirus disabilitato.


Dopo il riavvio esegui una nuova scansione con HJT e posta il log.