Ecco qua, grazie:

Logfile of HijackThis v1.99.0
Scan saved at 17.37.02, on 27/12/2004
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\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\SSDPSRV.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\ZONELABS\VSMON.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\IBMTOOLS\APTEZBTN\APTEZBP.EXE
C:\WINDOWS\LOADQM.EXE
C:\WINDOWS\SYSTEM\GSICON.EXE
C:\IBMTOOLS\APTEZBTN\RAKUSB.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\DSLAGENT.EXE
C:\PROGRAMMI\MICROSOFT OFFICE\OFFICE\OSA.EXE
C:\PROGRAMMI\MICROSOFT OFFICE\OFFICE\FINDFAST.EXE
C:\PROGRAMMI\MEMTURBO\MEMTURBO.EXE
C:\PROGRAMMI\ZONE LABS\ZONEALARM\ZLCLIENT.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\PROGRAMMI\OUTLOOK EXPRESS\MSIMN.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\WINOA386.MOD
C:\WINDOWS\SYSTEM\WINOA386.MOD
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\WINOA386.MOD
C:\WINDOWS\REGEDIT.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\ANTIVIRUS\HIJACKTHIS.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://red.clientapps.yahoo.com/customize/ycomp/defaults/sb/*http://www.yahoo.com/search/ie.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://red.clientapps.yahoo.com/customize/ycomp/defaults/sp/*http://www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://red.clientapps.yahoo.com/customize/ycomp/defaults/su/*http://www.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer fornito da Infostrada LIBERO
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\PROGRAMMI\YAHOO!\COMPANION\INSTALLS\CPN0\YCOMP5_5_7_0.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAMMI\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
O2 - BHO: IEWebGuard Class - {1B77D30A-81C9-497A-8647-142F7511B1FB} - C:\WINDOWS\SYSTEM\IEGUARD.DLL
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHELPER.DLL
O3 - Toolbar: @msdxmLC.dll,-1@1040,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRAMMI\YAHOO!\COMPANION\INSTALLS\CPN0\YCOMP5_5_7_0.DLL
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: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [GDRIVE] C:\IBMTOOLS\IBMBOOT\GDRIVE.EXE -N
O4 - HKLM\..\Run: [AEZBProc] c:\ibmtools\aptezbtn\aptezbp.exe
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [00SyncNet-hotc] C:\WINDOWS\APPLIC~1\HOTC.EXE /nostart
O4 - HKLM\..\Run: [GSICONEXE] GSICON.EXE
O4 - HKLM\..\Run: [DSLAGENTEXE] dslagent.exe USB
O4 - HKLM\..\Run: [MSConfigReminder] C:\WINDOWS\SYSTEM\msconfig.exe /reminder
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [SSDPSRV] C:\WINDOWS\SYSTEM\ssdpsrv.exe
O4 - HKLM\..\RunServices: [*StateMgr] C:\WINDOWS\System\Restore\StateMgr.exe
O4 - HKLM\..\RunServices: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\RunServices: [TrueVector] C:\WINDOWS\SYSTEM\ZONELABS\VSMON.EXE -service
O4 - HKCU\..\RunServicesOnce: [washindex] C:\Program Files\Washer\washidx.exe
O4 - Startup: Avvio Office.lnk = C:\Programmi\Microsoft Office\Office\OSA.EXE
O4 - Startup: Ricerca rapida.lnk = C:\Programmi\Microsoft Office\Office\FINDFAST.EXE
O4 - Startup: MemTurbo.lnk = C:\Programmi\MemTurbo\MemTurbo.exe
O8 - Extra context menu item: &Add animation to IncrediMail Style Box - C:\PROGRA~1\INCRED~1\bin\WebMenuImg.htm
O9 - Extra button: ICQ - {6224f700-cba3-4071-b251-47cb894244cd} - C:\Programmi\ICQ\ICQ.exe (file missing)
O9 - Extra 'Tools' menuitem: ICQ - {6224f700-cba3-4071-b251-47cb894244cd} - C:\Programmi\ICQ\ICQ.exe (file missing)
O9 - Extra button: Translate - {87680762-4A83-11B4-885B-0000E8ECA40F} - C:\PROGRAMMI\LINGOCOM\Translator.lnk (file missing)
O9 - Extra 'Tools' menuitem: LingoWare Translator... - {87680762-4A83-11B4-885B-0000E8ECA40F} - C:\PROGRAMMI\LINGOCOM\Translator.lnk (file missing)
O9 - Extra button: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file)
O14 - IERESET.INF: START_PAGE_URL=http://www.iol.it
O16 - DPF: Yahoo! Hearts - http://download.games.yahoo.com/games/clients/y/ht1_x.cab
O16 - DPF: {E855A2D4-987E-4F3B-A51C-64D10A7E2479} (EPSImageControl Class) - http://tools.ebayimg.com/eps/activex/EPSControl_v1-0-3-0.cab
O16 - DPF: Yahoo! Backgammon - http://download.games.yahoo.com/games/clients/y/at1_x.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://zone.msn.com/binFramework/v10/ZIntro.cab32846.cab
O16 - DPF: {E5D419D6-A846-4514-9FAD-97E826C84822} (HeartbeatCtl Class) - http://fdl.msn.com/zone/datafiles/heartbeat.cab
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - http://us.dl1.yimg.com/download.yahoo.com/dl/yinst/yinst_current.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

Ecco qua, parte I:

Logfile of HijackThis v1.99.0
Scan saved at 17.37.02, on 27/12/2004
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\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\SSDPSRV.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\ZONELABS\VSMON.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\IBMTOOLS\APTEZBTN\APTEZBP.EXE
C:\WINDOWS\LOADQM.EXE
C:\WINDOWS\SYSTEM\GSICON.EXE
C:\IBMTOOLS\APTEZBTN\RAKUSB.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\DSLAGENT.EXE
C:\PROGRAMMI\MICROSOFT OFFICE\OFFICE\OSA.EXE
C:\PROGRAMMI\MICROSOFT OFFICE\OFFICE\FINDFAST.EXE
C:\PROGRAMMI\MEMTURBO\MEMTURBO.EXE
C:\PROGRAMMI\ZONE LABS\ZONEALARM\ZLCLIENT.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\PROGRAMMI\OUTLOOK EXPRESS\MSIMN.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\WINOA386.MOD
C:\WINDOWS\SYSTEM\WINOA386.MOD
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\WINOA386.MOD
C:\WINDOWS\REGEDIT.EXE
C:\PROGRAMMI\INTERNET EXPLORER\IEXPLORE.EXE
C:\ANTIVIRUS\HIJACKTHIS.EXE

Niente da fare. :-(
Ho ripetuto due volte l'operazione seguendo nei minimi dettagli e pedissequamente la procedura.
Mi sono collegato ad Internet. Sono entrato in eBay. Due minuti più tardi, i maledetti files IEB253.TMP, IEB261.TMP, IEB.261.TMP.EXE sono ricomparsi in c:\windows\temp.
Non so più che tentare... :-(

Purtroppo i problemi ce li ho; non gravissimi, ma ce li ho.
Infatti, eccomi qui che sono appena entrato in Internet (tieni presente che ho Alice ADSL 1,2 flat). Immediatamente si sono materializzati in c:\windows\temp i soliti fantasmi: IEB042.TMP, IEB044.TMP, IEB044.TMP.EXE.
Il "programma fantasma" IEB044 risulta in Task Manager: IEB044 (bloccato) e certamente rallenta le prestazioni. E' chiaro che come premo il pulsante "Termina operazione", sparisce e le risorse/sistema migliorano. Tuttavia è evidente anche che si tratta di un conflitto del dialer. IEB042 ha la solita stramaledetta stringa in http adv.deadalion.com e www.bisaturn.com. L'altro invece è cieco.
E' chiaro che c'è qualche programma pirata che mi impesta il PC e periodicamente disturba la connessione creando in TEMP questi files che a loro volta tentano di connettersi (pur non riuscendoci).
Grazie per la tua disponibilità: ma hai qualche altro suggerimento che non sia la formattazione? :-(

Prova a fare una scansione antivirus on line con questo servizio
http://security.symantec.com/default.asp?productid=symhome&langid=it&venid=sym

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Collaboratore Aiutamici

Ma che antivirus utilizzi ???

Se il sistema e stato infettato da un virus, con i programmi antispyware non risolvi nulla, gli spyware e i virus sono due cose differenti.

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Collaboratore Aiutamici

NO i Dialer sono programmi che chiudono la connessione e ti ricollegano a un numero a pagamento tipo 899, leggi qui
http://www.aiutamici.com/software/view.asp?tipo=home&CodSw=132&SH=N

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Collaboratore Aiutamici