Logfile of HijackThis v1.99.1
Scan saved at 15.22.13, on 11/04/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16640)

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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\Java\jre1.6.0_05\bin\jusched.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\MSN Messenger\MsnMsgr.Exe
C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
C:\Programmi\File comuni\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\PROGRA~1\IZArc\IZArc.exe
C:\WINDOWS\system32\wuauclt.exe
C:\DOCUME~1\mario\IMPOST~1\Temp\ARC2\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.gazzetta.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: BitComet ClickCapture - {39F7E362-828A-4B5A-BCAF-5B79BFDFEA60} - C:\Programmi\BitComet\tools\BitCometBHO_1.1.3.19.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programmi\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.6.0_05\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar3.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Programmi\Google\GoogleToolbarNotifier\2.0.301.7164\swg.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar3.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O3 - Toolbar: Virgilio Toolbar - {D3403F28-7D39-435F-A8CB-45016C29E48E} - C:\Programmi\Virgilio Toolbar\VirgilioBand.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre1.6.0_05\bin\jusched.exe"
O4 - HKLM\..\Run: [AdslTaskBar] rundll32.exe stmctrl.dll,TaskBar
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Programmi\MSN Messenger\MsnMsgr.Exe" /background
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: Download all links using BitComet - res://C:\Programmi\BitComet\BitComet.exe/AddAllLink.htm
O8 - Extra context menu item: Download all videos using BitComet - res://C:\Programmi\BitComet\BitComet.exe/AddVideo.htm
O8 - Extra context menu item: Download link using &BitComet - res://C:\Programmi\BitComet\BitComet.exe/AddLink.htm
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
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 - Broken Internet access because of LSP provider 'xfire_lsp_9028.dll' missing
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {112857FE-03FF-11D5-9A3F-0080C8D85044} (GameDesire Solitaires) - http://194.244.16.123/g_bin/eng/solitaire_2_0_0_28.cab
O16 - DPF: {18506D80-9B80-11D4-82C2-0080C8D7ED4A} (GameDesire Roulette) - http://194.244.16.123/g_bin/eng/roulette_2_0_0_27.cab
O16 - DPF: {1A781DED-C22D-4153-3213-A3211E29DF13} (GameDesire Card Games) - http://194.244.16.123/g_bin/eng/cards_2_0_0_75.cab
O16 - DPF: {406B5949-7190-4245-91A9-30A17DE16AD0} (Snapfish Activia) - http://www3.snapfish.it/SnapfishActivia.cab
O16 - DPF: {41ACD49D-1974-791A-0981-AA9872721044} (Ganymede Board Games) - http://194.244.16.123/g_bin/eng/boards_2_0_0_34.cab
O16 - DPF: {45A0A292-ECC6-4D8F-9EA9-A4BD411D24C1} (king.com) - http://zylom.king.com/ctl/kingcomie.cab
O16 - DPF: {6E5E167B-1566-4316-B27F-0DDAB3484CF7} (Image Uploader Control) - http://www.extrafilm.it/ImageUploader4.cab
O16 - DPF: {83AFB5CA-ED35-11D4-A452-0080C8D85045} (GameDesire Poker Games) - http://194.244.16.123/g_bin/eng/poker_2_0_0_48.cab
O16 - DPF: {A1FE3DE0-CF77-11D4-8340-0080C8D7ED4A} (GameDesire Pinball Demon) - http://194.244.16.123/g_bin/eng/demon_2_0_0_30.cab
O16 - DPF: {A6212120-01D4-11D5-9A39-0080C8D85044} (GameDesire Slots 70th) - http://194.244.16.123/g_bin/eng/slots70_2_0_0_35.cab
O16 - DPF: {A7196C8E-35A5-4FF0-9E46-E28918B5CAF6} (GameDesire Domino) - http://194.244.16.123/g_bin/eng/domino_2_0_0_33.cab
O16 - DPF: {A854AD6D-6DB5-41FB-8044-0BD38092A007} (Ganymede Sudoku) - http://194.244.16.123/g_bin/eng/sudoku_2_0_0_15.cab
O16 - DPF: {A9ED6AA2-D9D4-4D71-9586-E293E2E3580B} (GameDesire Marbles&Diamonds&Runes) - http://194.244.16.123/g_bin/eng/marbles_2_0_0_32.cab
O16 - DPF: {AC120B1D-9411-4111-AF52-118052D85D45} (GameDesire Darts Games) - http://194.244.16.123/g_bin/eng/darts_2_0_0_40.cab
O16 - DPF: {AD7013FF-1D9A-4F36-94A6-3CD408A663F9} (GameDesire BreakOut) - http://194.244.16.123/g_bin/eng/breakout_2_0_0_27.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) - http://cdn2.zone.msn.com/binFramework/v10/ZIntro.cab56649.cab
O16 - DPF: {BFA1F11D-3121-AFE1-4112-894323212DAC} (GameDesire Word Games) - http://194.244.16.123/g_bin/eng/words_2_0_0_51.cab
O16 - DPF: {BFA1F11D-3121-AFE1-4112-983219421AEF} (GameDesire 1Player Word Games) - http://194.244.16.123/g_bin/eng/wordssingle_2_0_0_48.cab
O16 - DPF: {BFF1950D-B1B4-4AE8-B842-B2CCF06D9A1B} (Zylom Games Player) - http://game08.zylom.com/activex/zylomgamesplayer.cab
O16 - DPF: {CE69F98F-2AF3-4306-BAC6-A79070EDA1B4} (Zylom Loader Object) - http://eu.download.games.yahoo.com/zylom/activex/zylomloader.cab
O16 - DPF: {CF40ACC5-E1BB-4AFF-AC72-04C2F616BCA7} (get_atlcom Class) - http://www.adobe.com/products/acrobat/nos/gp.cab
O16 - DPF: {DF780F87-FF2B-4DF8-92D0-73DB16A1543A} (PopCapLoader Object) - http://www.fueps.com/gp/resources/games/puzzle/PopCapGames/popcaploader_v10_it.cab
O16 - DPF: {E95CF138-A587-4C54-8175-3AD80997CB14} (GameDesire Soccer) - http://194.244.16.123/g_bin/eng/soccer_2_0_0_19.cab
O16 - DPF: {ECEAD8AE-01D6-11D5-9A39-0080C8D85044} (GameDesire Slots 80th) - http://194.244.16.123/g_bin/eng/slots80_2_0_0_35.cab
O16 - DPF: {FDDBE2B8-6602-4AD8-946D-94C5A32FA6C4} (GameDesire Pool Training) - http://194.244.16.123/g_bin/eng/billardt_2_0_0_35.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: SiSoftware Database Agent Service (SandraDataSrv) - SiSoftware - C:\Programmi\SiSoftware\SiSoftware Sandra Lite XIIc\Win32\RpcDataSrv.exe
O23 - Service: SiSoftware Sandra Agent Service (SandraTheSrv) - SiSoftware - C:\Programmi\SiSoftware\SiSoftware Sandra Lite XIIc\RpcSandraSrv.exe

Ma certo.
Fixa tutte le 016.
Più questa: O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
Poi fai una pulizia con CCleaner.
E installa un Firewall.