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Non si tratta di un virus, ma di un worm (detto anche Slammer, se ricordo bene), e costituisce un problema abbastanza serio. Sfrutta ina vulnerabilità del sistema SQL per infilarsi dentro. A quanto ne so, ha cominciato a colpire già Microsoft SQL Server 2000 e risulta, a tutt'oggi, come la minaccia più attiva contro i Database. Non vorrei dire un'eresia, ma credo ci siano alcuni sistemi per combatterlo (a parte il non permettergli l'accesso, come fa -appunto- il tuo Norton). La Symantec dovrebbe avere parecchi dati, su questa minaccia. Ma Microsoft ne ha, forse, anche di più (e credo che anche McAfee se ne sia occupato a fondo). Mi pare che Microsoft, almeno per certi casi e situazioni, abbia rilasciato delle patch risolutive. Non saprei darti i relativi links, ma se ti metti a caccia su Internet, sicuramente, qualcosa trovi...
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Scarica questo programma e leggi le istruzioni per inserire il log nel forum, cosi controlliamo se ci sono spyware
http://www.aiutamici.com/software/descrizione.asp?CodSw=1175

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Collaboratore Aiutamici

ogfile of HijackThis v1.99.1
Scan saved at 13.09.11, on 27/08/2005
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:\Programmi\Ahead\InCD\InCDsrv.exe
C:\Programmi\File comuni\Symantec Shared\ccProxy.exe
C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\Norton Internet Security\ISSVC.exe
C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
C:\Programmi\File comuni\Symantec Shared\SPBBC\SPBBCSvc.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\File comuni\Acronis\Schedule2\schedul2.exe
C:\Programmi\APC\APC PowerChute Personal Edition\mainserv.exe
C:\Programmi\NVIDIA Corporation\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\Programmi\Microsoft SQL Server\MSSQL$PINNACLESYS\Binn\sqlservr.exe
C:\Programmi\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nSvcIp.exe
C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nSvcLog.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Programmi\NVIDIA Corporation\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\WINDOWS\System32\ups.exe
c:\programmi\pinnacle\shared files\programs\mediaserver\pmshost.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Programmi\Java\j2re1.4.2_04\bin\jusched.exe
C:\Programmi\Pinnacle\Shared Files\Programs\MediaCenterService\PMC.Service.Main.exe
C:\Programmi\Pinnacle\Shared Files\Programs\Remote\Remoterm.exe
C:\Programmi\QuickTime\qttask.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\Programmi\Ahead\InCD\InCD.exe
C:\Programmi\Microsoft IntelliType Pro\type32.exe
C:\Programmi\Microsoft IntelliPoint\point32.exe
C:\WINDOWS\system32\rundll32.exe
C:\Programmi\Hewlett-Packard\Toolbox\StatusClient\StatusClient.exe
C:\Programmi\Hewlett-Packard\OrderReminder\OrderReminder\OrderReminder.exe
C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nTrayFw.exe
C:\Programmi\ASUSTek\ASUSDVD\PDVDServ.exe
C:\Programmi\Hewlett-Packard\HP Software Update\HPWuSchd2.exe
C:\Programmi\File comuni\Acronis\Schedule2\schedhlp.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Messenger\msmsgs.exe
C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nSvcAppFlt.exe
C:\WINDOWS\system32\rundll32.exe
C:\Programmi\Hewlett-Packard\Toolbox\jre\bin\javaw.exe
C:\Programmi\APC\APC PowerChute Personal Edition\apcsystray.exe
C:\Documents and Settings\Admin\Impostazioni locali\Temp\7zO8A.tmp\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Programmi\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Norton Internet Security - {9ECB9560-04F9-4bbc-943D-298DDF1699E1} - C:\Programmi\File comuni\Symantec Shared\AdBlocking\NISShExt.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar2.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton Internet Security - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Programmi\File comuni\Symantec Shared\AdBlocking\NISShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: andGoogle - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar2.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programmi\Java\j2re1.4.2_04\bin\jusched.exe
O4 - HKLM\..\Run: [PMCS] C:\Programmi\Pinnacle\Shared Files\Programs\MediaCenterService\PMC.Service.Main.exe -host -clearDebug
O4 - HKLM\..\Run: [PinnacleDriverCheck] C:\WINDOWS\system32\PSDrvCheck.exe -CheckReg
O4 - HKLM\..\Run: [PMCRemote] C:\Programmi\Pinnacle\Shared Files\Programs\Remote\Remoterm.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Programmi\Ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [type32] "C:\Programmi\Microsoft IntelliType Pro\type32.exe"
O4 - HKLM\..\Run: [IntelliPoint] "C:\Programmi\Microsoft IntelliPoint\point32.exe"
O4 - HKLM\..\Run: [AdslTaskBar] rundll32.exe stmctrl.dll,TaskBar
O4 - HKLM\..\Run: [StatusClient 2.6] C:\Programmi\Hewlett-Packard\Toolbox\StatusClient\StatusClient.exe /auto
O4 - HKLM\..\Run: [TomcatStartup 2.5] C:\Programmi\Hewlett-Packard\Toolbox\hpbpsttp.exe
O4 - HKLM\..\Run: [OrderReminder] C:\Programmi\Hewlett-Packard\OrderReminder\OrderReminder\OrderReminder.exe
O4 - HKLM\..\Run: [KernelFaultCheck] :systemroot:\system32\dumprep 0 -k
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [nTrayFw] C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nTrayFw.exe
O4 - HKLM\..\Run: [RemoteControl] C:\Programmi\ASUSTek\ASUSDVD\PDVDServ.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Programmi\Hewlett-Packard\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [Acronis Scheduler2 Service] "C:\Programmi\File comuni\Acronis\Schedule2\schedhlp.exe"
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programmi\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [NBJ] "C:\Programmi\Ahead\Nero BackItUp\NBJ.exe"
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: APC UPS Status.lnk = ?
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: andGoogle Search - res://c:\programmi\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: Backward Links - res://c:\programmi\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\programmi\google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Similar Pages - res://c:\programmi\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Translate into English - res://c:\programmi\google\GoogleToolbar2.dll/cmtrans.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\j2re1.4.2_04\bin\npjpi142_04.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\j2re1.4.2_04\bin\npjpi142_04.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.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
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O17 - HKLM\System\CCS\Services\Tcpip\..\{39DEBA31-1A0B-46A7-9797-684B60108234}: NameServer = 85.37.17.44 151.99.125.1
O23 - Service: Acronis Scheduler2 Service (AcrSch2Svc) - Acronis - C:\Programmi\File comuni\Acronis\Schedule2\schedul2.exe
O23 - Service: APC UPS Service - American Power Conversion Corporation - C:\Programmi\APC\APC PowerChute Personal Edition\mainserv.exe
O23 - Service: app_filter - Unknown owner - C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nSvcAppFlt.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Network Proxy (ccProxy) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccProxy.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
O23 - Service: Pinnacle Systems tvtv Spooler (EpgSpooler) - - c:\progra~1\pinnacle\mediac~1\epgspo~2.exe
O23 - Service: Forceware Web Interface (ForcewareWebInterface) - Unknown owner - C:\Programmi\NVIDIA Corporation\NetworkAccessManager\Apache Group\Apache2\bin\apache.exe" -k runservice (file missing)
O23 - Service: InCD Helper (InCDsrv) - Nero AG - C:\Programmi\Ahead\InCD\InCDsrv.exe
O23 - Service: ISSvc (ISSVC) - Symantec Corporation - C:\Programmi\Norton Internet Security\ISSVC.exe
O23 - Service: Servizio Auto-Protect di Norton AntiVirus (navapsvc) - Symantec Corporation - C:\Programmi\Norton Internet Security\Norton AntiVirus\navapsvc.exe
O23 - Service: ForceWare IP service (nSvcIp) - Unknown owner - C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nSvcIp.exe
O23 - Service: ForceWare user log service (nSvcLog) - Unknown owner - C:\Programmi\NVIDIA Corporation\NetworkAccessManager\bin\nSvcLog.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pinnacle Systems Media Service (PinnacleSys.MediaServer) - Pinnacle Systems - c:\programmi\pinnacle\shared files\programs\mediaserver\pmshost.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\hpzipm12.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Programmi\Norton Internet Security\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FILECO~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe

Il log é pulito, sul sito Symantec consiglia per il problema MSSQL StackOverflow, di lanciare il LIVE UPDATE per aggiornare il programma.

Quando poi il firewall blocca questo processo, nelle opzioni della finestra spunta la voce per non ripetere il messaggio, navigando in rete i tentativi di intrusione sono tantissimi, l'importante e che il firewall li segnali e segnalandoli significa anche che il sistema é protetto.

Apri il Norton Sevurity e clicca su LIVE UPDATE


Inoltre scarica questo programma
http://www.cexx.org/LSPFix.exe
ed eseguilo, ti correggerà dei problemi nel winsodk presenti nel tuo sistema, una volta aperto clicca semplicemente su FINISH e poi riavvia il computer.

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Collaboratore Aiutamici

Mel log precedente erano presenti queste voci

O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\nvappfilter.dll


quel programma rimuove queste voci, se lanci nuovamente Hijack This non dovrebbero più esserci, se ci sono, riavvia il sistema in Modalità Provvisoria e lancia nuovamente quel programmino.

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Collaboratore Aiutamici

No non é normale, prova a fare una scansione antivirus on line da questo indirizzo
http://security.symantec.com/default.asp?productid=symhome&langid=it&venid=sym

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Collaboratore Aiutamici

Comunque non preoccuparti di quel problema, il file appartiene alla scheda video, si tratta solo di un problema di ripetizioni, se quel programma non funziona non ti so dire, nei computer ci sono tante varianti, a volte se é aperto un programma non ne funziona un altro. Se non ti da problemi continua ad utilizzarlo cosi, altrimenti formatta e reinstalla tutto.

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Collaboratore Aiutamici