ho letto le istruzioni di Hijack This come da te suggeritomi ( mio post del 5/3 h. 19.28 "aiuto per un file *.exe" ) e di seguito ti copio il log :

Logfile of HijackThis v1.99.1
Scan saved at 19.35.57, on 10/03/2005
Platform: Windows ME (Win9x 4.90.3000)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCEVTMGR.EXE
C:\WINDOWS\EXPLORER.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCSETMGR.EXE
C:\PROGRAMMI\SYMANTEC ANTIVIRUS\DEFWATCH.EXE
C:\PROGRAMMI\SYMANTEC ANTIVIRUS\RTVSCN95.EXE
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\ALISNDMG.EXE
C:\WINDOWS\LTSMMSG.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\PROGRAMMI\ACER\POWERKEY\POWERKEY.EXE
C:\PROGRAMMI\SYNAPTICS\SYNTP\SYNTPLPR.EXE
C:\PROGRAMMI\SYNAPTICS\SYNTP\SYNTPENH.EXE
C:\WINDOWS\SYSTEM\KEYMAP.EXE
C:\WINDOWS\LOADQM.EXE
C:\WINDOWS\SYSTEM\DSLAGENT.EXE
C:\WINDOWS\SYSTEM\HPZTSB05.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\SYSTEM\GSICON.EXE
C:\WINDOWS\SYSTEM\INTERNAT.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCAPP.EXE
C:\WINDOWS\SYSTEM32\DRIVERS\DCFSSVC.EXE
C:\PROGRAMMI\SYMANTEC ANTIVIRUS\VPTRAY.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\PROGRAMMI\MICROSOFT OFFICE\OFFICE10\WINWORD.EXE
C:\PROGRAMMI\POWER TRANSLATOR\LOGOMEDIA TRANSLATEDOTNET SERVER.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\WINDOWS\SYSTEM\HPZSTC05.EXE
C:\WINDOWS\SYSTEM\HPZENG05.EXE
C:\DOCUMENTI\VARI PROGRAMMI\HIJACKTHIS.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.crcptkzbskzgqmohpcdzyzpci.net/pVwp3t8xLZF9vLFJi7_NqYG7xmRMiPq480o1n8mV98kp93Ce7NraW_I3k7CDGfua.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [PCHealth] C:\WINDOWS\PCHealth\Support\PCHSchd.exe -s
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [ALiSndMgr] ALiSndMg.exe
O4 - HKLM\..\Run: [LTSMMSG] LTSMMSG.exe
O4 - HKLM\..\Run: [AcerPowerkey] "C:\Programmi\Acer\Powerkey\Powerkey.exe"
O4 - HKLM\..\Run: [SynTPLpr] C:\Programmi\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [VolKey] C:\WINDOWS\SYSTEM\Keymap.exe
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [DSLAGENTEXE] dslagent.exe USB
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\SYSTEM\hpztsb05.exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [GSICONEXE] GSICON.EXE
O4 - HKLM\..\Run: [internat.exe] internat.exe
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Dcfssvc] C:\WINDOWS\System32\Drivers\dcfssvc.exe
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\SYMANT~1\VPTRAY.EXE
O4 - HKLM\..\RunServices: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [*StateMgr] C:\WINDOWS\System\Restore\StateMgr.exe
O4 - HKLM\..\RunServices: [ccEvtMgr] "C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe"
O4 - HKLM\..\RunServices: [ccSetMgr] "C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe"
O4 - HKLM\..\RunServices: [defwatch] C:\PROGRA~1\SYMANT~1\DEFWATCH.EXE
O4 - HKLM\..\RunServices: [rtvscn95] C:\PROGRA~1\SYMANT~1\RTVSCN95.EXE
O4 - HKCU\..\Run: [grid proc] C:\WINDOWS\APPLIC~1\CHINPL~1\warn meet.exe
O4 - Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O4 - Startup: MRU-Blaster Silent Clean.lnk = C:\Programmi\MRU-Blaster\mrublaster.exe
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\SYSTEM\MSJAVA.DLL
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\SYSTEM\MSJAVA.DLL
O11 - Options group: [CommonName] CommonName
O16 - DPF: {E0E69D17-EDB3-429B-AEDD-B3708F6F1D67} (MCSI Chart) - http://www.24oreborsaonline.ilsole24ore.com/Investor/Cabs/McsItPtf.cab
O16 - DPF: {F58E1CEF-A068-4C15-BA5E-587CAF3EE8C6} (MSN Chat Control 4.5) - http://fdl.msn.com/public/chat/msnchat45.cab
O16 - DPF: {C3DFA998-A486-11D4-AA25-00C04F72DAEB} (MSN Photo Upload Tool) - http://sc.communities.msn.com/controls/PhotoUC/MsnPUpld.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://groups.msn.com/controls/PhotoUC/MsnPUpld.cab
O16 - DPF: Yahoo! Pool 2 - http://download.games.yahoo.com/games/clients/y/pote_x.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O18 - Protocol hijack: cn - {9346A6BB-1ED0-4174-AFB4-13CD4EC0AA40}

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ti ringrazio anticipatamente per quello che potrai fare.

Oscar

Ciao ,
esegui queste operazioni

1) Disattiva il ripristino di configurazione, leggi qui come fare
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=298&SH=N

2) riavvia in modalità provvisoria, leggi qui come fare
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=344&SH=N

apri HIJAC THIS ed elimina come indicato in questo articolo
http://www.aiutamici.com/software/descrizione.asp?CodSw=1175
le righe che seguono, (nel caso le righe da eliminare non compaiono in modalità provvisoria, eliminale dalla modalità normale e riavvia il computer).

==================================
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.crcptkzbskzgqmohpcdzyzpci.net/pVwp3t8xLZF9vLFJi7_NqYG7xmRMiPq480o1n8mV98kp93Ce7NraW_I3k7CDGfua.html
-
O4 - HKCU\..\Run: [grid proc] C:\WINDOWS\APPLIC~1\CHINPL~1\warn meet.exe
==================================

Con la funzione TROVA di Windows, cerca ed elimina questi file,

==================================
warn meet.exe
==================================

al termine utilizza i programmi AD-AWARE e SPYBOT indicati in questo articolo
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=388&SH=N

sempre in modalità provvisoria fai una scansione Antivirus

quindi riavvia il computer e controlla se il problema e risolto, se e tutto OK riattiva il ripristino configurazione disattivato all'inizio di questa procedura.

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Collaboratore Aiutamici