Ho appena fatto il log con HiJackThis:

Perfavore potreste dirmi ciò che non va? e dirmi come "aggiustarlo"?

[il virus era macromediatool.exe eliminato con la soluzione 2 della risposta precedente (killbox)]

Eccolo:

Logfile of HijackThis v1.99.1
Scan saved at 10.38.22, on 17/02/2008
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:\WINDOWS\system32\spoolsv.exe
c:\programmi\file comuni\logitech\lvmvfm\LVPrcSrv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\WINDOWS\system32\DRIVERS\CDANTSRV.EXE
C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
C:\Programmi\Microsoft SQL Server\90\Shared\sqlwriter.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRAMMI\VEXPLITE\viritsvc.exe
C:\Programmi\MUSICMATCH\MUSICMATCH Jukebox\mmtask.exe
C:\Programmi\File comuni\Logitech\LComMgr\LVComSX.exe
C:\Programmi\Java\jre1.6.0_03\bin\jusched.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\PROGRAMMI\VEXPLITE\MONLITE.EXE
C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
C:\Programmi\SlySoft\AnyDVD\AnyDVD.exe
C:\Programmi\Nikon\PictureProject\NkbMonitor.exe
C:\WINDOWS\system32\wscntfy.exe
C:\WINDOWS\system32\WISPTIS.EXE
C:\WINDOWS\explorer.exe
E:\Programmi non installati\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.tgsoft.it/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: Multi Media Toolbar - {b5146c40-189a-4311-bda9-fbae3e023187} - C:\Programmi\Multi_Media\tbMul1.dll
R3 - URLSearchHook: Secured eMule Toolbar - {1d1b60fd-b21f-4b9a-8a5f-64e8544828d7} - C:\Programmi\Secured_eMule\tbSec0.dll
R3 - URLSearchHook: Yahoo! Toolbar con blocco Pop-Up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn\yt.dll
O1 - Hosts: 160.128.161.153 bute2ieh.com
O1 - Hosts: 98.142.154.12 catolcwxcav.com
O1 - Hosts: 164.105.11.128 ukjp9mn2.com
O1 - Hosts: 26.61.135.9 vkipqugtsx.com
O1 - Hosts: 74.155.15.232 wvdimh98zhq.com
O1 - Hosts: 21.43.177.216 zobcslgff.com
O1 - Hosts: 217.65.130.117 fullows.com
O1 - Hosts: 7.19.148.180 thumbstring.net
O1 - Hosts: 46.227.219.28 wschooler.com
O1 - Hosts: 237.198.174.168 addwjf6zoy.com
O1 - Hosts: 42.9.237.234 itqoipyqsq.com
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Programmi\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: VIPTToolbarManager Class - {1A2641AE-2C42-4C51-A05F-8ECEC3FDC94D} - C:\Programmi\Visual IP Trace 2007\VisualIPTraceIE.dll
O2 - BHO: Secured eMule Toolbar - {1d1b60fd-b21f-4b9a-8a5f-64e8544828d7} - C:\Programmi\Secured_eMule\tbSec0.dll
O2 - BHO: BitComet Helper - {39F7E362-828A-4B5A-BCAF-5B79BFDFEA60} - C:\Programmi\BitComet\tools\BitCometBHO_1.1.11.30. dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.6.0_03\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: Multi Media Toolbar - {b5146c40-189a-4311-bda9-fbae3e023187} - C:\Programmi\Multi_Media\tbMul1.dll
O3 - Toolbar: Multi Media Toolbar - {b5146c40-189a-4311-bda9-fbae3e023187} - C:\Programmi\Multi_Media\tbMul1.dll
O3 - Toolbar: Secured eMule Toolbar - {1d1b60fd-b21f-4b9a-8a5f-64e8544828d7} - C:\Programmi\Secured_eMule\tbSec0.dll
O3 - Toolbar: Visual IP Trace - {E70C26AE-DFF1-40A8-8D37-19180F56F0AA} - C:\Programmi\Visual IP Trace 2007\VisualIPTraceIE.dll
O3 - Toolbar: Yahoo! Toolbar con blocco Pop-Up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [updrwjgf] "c:\windows\system32\updrwjgf.exe"
O4 - HKLM\..\Run: [mmtask] "C:\Programmi\MUSICMATCH\MUSICMATCH Jukebox\mmtask.exe"
O4 - HKLM\..\Run: [dofcw] "C:\DOCUME~1\paolo\IMPOST~1\Temp\672437.exe"
O4 - HKLM\..\Run: [LVCOMSX] "C:\Programmi\File comuni\Logitech\LComMgr\LVComSX.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre1.6.0_03\bin\jusched.exe "
O4 - HKLM\..\Run: [EPSON Stylus Photo R220 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIA IE.EXE /P30 "EPSON Stylus Photo R220 Series" /O6 "USB001" /M "Stylus Photo R220"
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [VIRIT LITE MONITOR] C:\PROGRAMMI\VEXPLITE\MONLITE.EXE
O4 - HKCU\..\Run: [mfcddale] C:\DOCUME~1\paolo\DATIAP~1\NURBFL~1\hearttest.exe
O4 - HKCU\..\Run: [dofcw] "C:\DOCUME~1\paolo\IMPOST~1\Temp\672437.exe"
O4 - HKCU\..\Run: [AnyDVD] C:\Programmi\SlySoft\AnyDVD\AnyDVD.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [updrwjgf] "c:\windows\system32\updrwjgf.exe"
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Programmi\File comuni\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: NkbMonitor.exe.lnk = C:\Programmi\Nikon\PictureProject\NkbMonitor.exe
O8 - Extra context menu item: Add to Windows &Live Favorites - http://favorites.live.com/quickadd.aspx
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Scarica tutti i video usando BitComet - res://C:\Programmi\BitComet\BitComet.exe/AddVideo.htm
O8 - Extra context menu item: Scarica tutto usando BitComet - res://C:\Programmi\BitComet\BitComet.exe/AddAllLink.htm
O8 - Extra context menu item: Scarica usando &BitComet - res://C:\Programmi\BitComet\BitComet.exe/AddLink.htm
O8 - Extra context menu item: Scaricare usando &BitSpirit
- C:\Programmi\BitSpirit\bsurl.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: BitComet - {D18A0B52-D63C-4ed0-AFC6-C1E3DC1AF43A} - res://C:\Programmi\BitComet\tools\BitCometBHO_1.1.11.30. dll/206 (file missing)
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.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
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kasperskyitalia.it/serviz...an_unicode.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {1F831FA9-42FC-11D4-95A6-0080AD30DCE1} (InstaFred) - file://C:\Programmi\AutoCAD 2002 Ita\InstFred.ocx
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Programmi\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {78AF2F24-A9C3-11D3-BF8C-0060B0FCC122} (Controllo AcDc oggi) - file://C:\Programmi\AutoCAD 2002 Ita\AcDcToday.ocx
O16 - DPF: {AE563729-B4F5-11D4-A415-00108302FDFD} (NOXLATE-BANR) - file://C:\Programmi\AutoCAD 2002 Ita\InstBanr.ocx
O16 - DPF: {F281A59C-7B65-11D3-8617-0010830243BD} (Controllo AcPreview) - file://C:\Programmi\AutoCAD 2002 Ita\AcPreview.ocx
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Programmi\File comuni\Microsoft Shared\Help\hxds.dll
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.DLL
O20 - AppInit_DLLs:
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O23 - Service: C-DillaSrv - C-Dilla Ltd - C:\WINDOWS\system32\DRIVERS\CDANTSRV.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Logitech Process Monitor (LVPrcSrv) - Logitech Inc. - c:\programmi\file comuni\logitech\lvmvfm\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Programmi\File comuni\Logitech\SrvLnch\SrvLnch.exe
O23 - Service: SQL Server (SQLEXPRESS) (MSSQL$SQLEXPRESS) - Unknown owner - C:\Programmi\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\sqlservr.exe" -sSQLEXPRESS (file missing)
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: Virit eXplorer Lite (viritsvclite) - TG Soft Sas www.tgsoft.it - C:\PROGRAMMI\VEXPLITE\viritsvc.exe

Grazie in anticipo