uso da tempo il software Disk Cleaner, da un po di tempo non mi cancella circa 250Kb su System Temporary Files e ciò coincide con un problema di "blocchi" momentanei del mouse e anche di video, aiutatemi per favore, grazie

Logfile of HijackThis v1.99.1
Scan saved at 22.32.03, on 25/02/05
Platform: Windows 98 SE (Win9x 4.10.2222A)
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\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\PROGRAMMI\NORTON INTERNET SECURITY\NISSERV.EXE
C:\PROGRAMMI\EXECUTIVE SOFTWARE\DISKEEPER\DKSERVICE.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\PROGRAMMI\NORTON INTERNET SECURITY\NISUM.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\PROGRAMMI\NORTON INTERNET SECURITY\SYMPROXYSVC.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\HPZTSB05.EXE
C:\PROGRAMMI\ATI TECHNOLOGIES\ATI CONTROL PANEL\ATIPTAXX.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\WINDOWS\SYSTEM\GSICON.EXE
C:\WINDOWS\SYSTEM\DSLAGENT.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\PROGRAMMI\NORTON ANTIVIRUS\NAVAPW32.EXE
C:\PROGRAMMI\NORTON INTERNET SECURITY\IAMAPP.EXE
C:\WINDOWS\LOADQM.EXE
C:\PROGRAM FILES\MSN APPS\UPDATER\01.02.3000.1001\IT\MSNAPPAU.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\PROGRAMMI\BROADBAND4PC\BIN\SERVER4PC.EXE
C:\PROGRAMMI\WINZIP\WZQKPICK.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\PROGRAMMI\NORTON INTERNET SECURITY\ATRACK.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\WINDOWS\DESKTOP\HIJACKTHIS.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://minisearch.startnow.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://minisearch.startnow.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.libero.it/
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://minisearch.startnow.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://minisearch.startnow.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAMMI\ADOBE\ACROBAT 6.0\READER\ACTIVEX\ACROIEHELPER.DLL
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\PROGRAM FILES\MSN APPS\MSN TOOLBAR\01.02.3000.1001\IT\MSNTB.DLL
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\PROGRAM FILES\MSN APPS\ST\01.02.3000.1002\EN-XU\STMAIN.DLL
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar2.dll
O2 - BHO: (no name) - {228C3515-C180-ED58-F229-A4D96CC3C125} - C:\WINDOWS\APPLICATION DATA\OOZE USER\TRUST FORD.EXE
O2 - BHO: URLLink Class - {4A2AACF3-ADF6-11D5-98A9-00E018981B9E} - C:\Programmi\NewDotNet\newdotnet6_38.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHELPER.DLL
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\PROGRAM FILES\MSN APPS\MSN TOOLBAR\01.02.3000.1001\IT\MSNTB.DLL
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar2.dll
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\SYSTEM\hpztsb05.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [GSICONEXE] GSICON.EXE
O4 - HKLM\..\Run: [DSLAGENTEXE] dslagent.exe USB
O4 - HKLM\..\Run: [NAV Agent] C:\PROGRA~1\NORTON~1\NAVAPW32.EXE
O4 - HKLM\..\Run: [iamapp] C:\Programmi\Norton Internet Security\IAMAPP.EXE
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [msnappau] "c:\program files\MSN Apps\Updater\01.02.3000.1001\it\msnappau.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMON.EXE
O4 - HKLM\..\Run: [RoxioEngineUtility] "C:\Programmi\File comuni\Roxio Shared\System\EngUtil.exe"
O4 - HKLM\..\Run: [Win close license great] C:\WINDOWS\Application Data\bike roam win close\Morebits.exe
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~2.DLL,NewDotNetStartup -s
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Programmi\File comuni\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKLM\..\RunServices: [nisserv] C:\Programmi\Norton Internet Security\NISSERV.EXE
O4 - HKLM\..\RunServices: [DkService] C:\Programmi\Executive Software\Diskeeper\DkService.exe
O4 - HKCU\..\Run: [bows clock] C:\WINDOWS\APPLIC~1\CHICMO~1\hope does 32.exe
O4 - Startup: Server4PC.lnk = C:\Programmi\Broadband4PC\bin\Server4PC.exe
O4 - Startup: WinZip Quick Pick.lnk = C:\Programmi\WinZip\WZQKPICK.EXE
O4 - Startup: PowerReg Scheduler.exe
O8 - Extra context menu item: &Google Search - res://C:\PROGRAMMI\GOOGLE\GOOGLETOOLBAR2.DLL/cmsearch.html
O8 - Extra context menu item: Cached Snapshot of Page - res://C:\PROGRAMMI\GOOGLE\GOOGLETOOLBAR2.DLL/cmcache.html
O8 - Extra context menu item: Similar Pages - res://C:\PROGRAMMI\GOOGLE\GOOGLETOOLBAR2.DLL/cmsimilar.html
O8 - Extra context menu item: Backward Links - res://C:\PROGRAMMI\GOOGLE\GOOGLETOOLBAR2.DLL/cmbacklinks.html
O8 - Extra context menu item: Translate into English - res://C:\PROGRAMMI\GOOGLE\GOOGLETOOLBAR2.DLL/cmtrans.html
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.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

Ciao ,
esegui queste operazioni

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://minisearch.startnow.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://minisearch.startnow.com/
-
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://minisearch.startnow.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://minisearch.startnow.com/
-
O2 - BHO: (no name) - {228C3515-C180-ED58-F229-A4D96CC3C125} - C:\WINDOWS\APPLICATION DATA\OOZE USER\TRUST FORD.EXE
O2 - BHO: URLLink Class - {4A2AACF3-ADF6-11D5-98A9-00E018981B9E} - C:\Programmi\NewDotNet\newdotnet6_38.dll
-
O4 - HKLM\..\Run: [Win close license great] C:\WINDOWS\Application Data\bike roam win close\Morebits.exe
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~2.DLL,NewDotNetStartup -s
-
O4 - HKCU\..\Run: [bows clock] C:\WINDOWS\APPLIC~1\CHICMO~1\hope does 32.exe
-
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
==================================

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

==================================
TRUST FORD.EXE
newdotnet6_38.dll
Morebits.exe
NEWDOT~2.DLL
hope does 32.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.

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Collaboratore Aiutamici