Ecco un'altra amica pasticciona che si ritrova con dei problemi al PC, allego il file log e ringrazio per la gentilezza.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 12.35.26, on 08/01/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

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\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\WINDOWS\system32\inetsrv\inetinfo.exe
C:\Programmi\File comuni\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.exe
C:\WINDOWS\system32\RunDll32.exe
C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Programmi\CyberLink\PowerDVD\PDVDServ.exe
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I0S2.EXE
C:\Programmi\QuickTime\qttask.exe
C:\Program Files\Hamlet\Adsl\dslstat.exe
C:\Program Files\Hamlet\Adsl\dslagent.exe
C:\Programmi\Java\jre1.6.0_02\bin\jusched.exe
C:\WINDOWS\VM_STI.EXE
C:\Programmi\File comuni\Real\Update_OB\realsched.exe
C:\Programmi\Windows Live\Family Safety\fssui.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Microsoft Encarta\Microsoft Encarta 2007 - Premium DVD\EDICT.EXE
C:\Programmi\Windows Live\Messenger\MsnMsgr.Exe
C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
C:\WINDOWS\system\toolconf.exe
C:\Programmi\LightSurf\Common\IconMgr.exe
C:\Programmi\Philips\Philips SPC315NC Webcam\TrayMin315.exe
C:\Programmi\MUSTEK 1248UB\Driver\WATCH.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\LightSurf\Color Indicator\TICIcon.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system\toolconf.exe
C:\Programmi\eMule\emule.exe
C:\Programmi\Java\jre1.6.0_02\bin\jucheck.exe
C:\Programmi\Windows Live\Messenger\usnsvc.exe
C:\Programmi\Internet Explorer\IEXPLORE.EXE
C:\Programmi\File comuni\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\PROGRA~1\WINZIP\winzip32.exe
C:\Documents and Settings\Administrator\Documenti\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.live.com/results.aspx?mkt=it-it&q=
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\system32\proper.exe
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Windows Live OneCare Family Safety Browser Helper - {4f3ed5cd-0726-42a9-87f5-d13f3d2976ac} - C:\Programmi\Windows Live\Family Safety\fssbho.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_02\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Encarta Web Companion Oggetto helper - {955BE0B8-BC85-4CAF-856E-8E0D8B610560} - C:\Programmi\File comuni\Microsoft Shared\Encarta Web Companion\2007\ENCWCBAR.DLL
O2 - BHO: (no name) - {D27987B8-7244-4DE0-AE10-39B826B492F1} - C:\WINDOWS\system32\bronto.dll (file missing)
O3 - Toolbar: Encarta Web Companion - {147D6308-0614-4112-89B1-31402F9B82C4} - C:\Programmi\File comuni\Microsoft Shared\Encarta Web Companion\2007\ENCWCBAR.DLL
O3 - Toolbar: (no name) - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - (no file)
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [ATIPTA] C:\Programmi\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [RemoteControl] C:\Programmi\CyberLink\PowerDVD\PDVDServ.exe
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [EPSON Stylus C66 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I0S2.EXE /P23 "EPSON Stylus C66 Series" /O6 "USB001" /M "Stylus C66"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [DSLSTATEXE] C:\Program Files\Hamlet\Adsl\dslstat.exe icon
O4 - HKLM\..\Run: [DSLAGENTEXE] C:\Program Files\Hamlet\Adsl\dslagent.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre1.6.0_02\bin\jusched.exe"
O4 - HKLM\..\Run: [BigDogPath] C:\WINDOWS\VM_STI.EXE Philips SPC315NC Webcam
O4 - HKLM\..\Run: [TkBellExe] "C:\Programmi\File comuni\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Windows Update] C:\Documents and Settings\Administrator\Impostazioni locali\Temp\new_clip35.scr
O4 - HKLM\..\Run: [Undefined] C:\WINDOWS\system32\winter.exe
O4 - HKLM\..\Run: [Salestart] "C:\Programmi\File comuni\VirusDifesa\stmon.exe" dm=http://virusdifesa.com; ad=http://virusdifesa.com
O4 - HKLM\..\Run: [fssui] "C:\Programmi\Windows Live\Family Safety\fssui.exe" -autorun
O4 - HKLM\..\Run: [Online chin internet bolt] C:\Documents and Settings\All Users\Dati applicazioni\Bags Plus Online Chin\Gram Ante.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [E06IXLRD_2109390] "C:\Programmi\Microsoft Encarta\Microsoft Encarta Enciclopedia DVD - 2006\EDICT.EXE" -m
O4 - HKCU\..\Run: [E07IXLRD_1402562] "C:\Programmi\Microsoft Encarta\Microsoft Encarta 2007 - Premium DVD\EDICT.EXE" -m
O4 - HKCU\..\Run: [MsnMsgr] "C:\Programmi\Windows Live\Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Undefined] C:\WINDOWS\system32\winter.exe
O4 - HKCU\..\Run: [GlobalBird] C:\DOCUME~1\ADMINI~1\DATIAP~1\HTMLOU~1\upbindbin.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Programmi\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-19\..\Run: [AVG7_Run] C:\PROGRA~1\Grisoft\AVG7\avgw.exe /RUNONCE (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Explorerv7.lnk = C:\WINDOWS\system\toolconf.exe
O4 - Global Startup: LightSurf.lnk = C:\Programmi\LightSurf\Common\IconMgr.exe
O4 - Global Startup: TrayMin315.exe.lnk = ?
O4 - Global Startup: Watch.lnk = C:\Programmi\MUSTEK 1248UB\Driver\WATCH.exe
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_02\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra button: Inserisci blog - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: Inserisci &blog in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Barra di ricerca di Encarta - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Programmi\File comuni\Microsoft Shared\Encarta Search Bar\ENCSBAR.DLL
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
O15 - Trusted Zone: *.www.nodialup.name
O15 - Trusted Zone: *.www.whatsnew.name
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab56986.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/IT-IT/a-UNO1/GAME_UNO1.cab
O16 - DPF: {7FC1B346-83E6-4774-8D20-1A6B09B0E737} (Windows Live Photo Upload Control) - http://cid-26dbec2e152c164d.spaces.live.com/PhotoUpload/MsnPUpld.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) - http://messenger.zone.msn.com/binary/ZIntro.cab56649.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {F5A7706B-B9C0-4C89-A715-7A0C6B05DD48} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab56986.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{256910B1-70BB-4B40-9D7D-FB40F7542C46}: NameServer = 193.12.150.2 212.247.152.2
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.DLL
O20 - AppInit_DLLs: C:\WINDOWS\system32\skuns.dat
O21 - SSODL: rdihost - {07082364-DC64-4EDD-9480-0E8BD8B25CE3} - rdihost.dll (file missing)
O21 - SSODL: Version3 - {A9573BBF-EFCD-479F-8E68-087E34943C76} - winviews32.dll (file missing)
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O24 - Desktop Component 0: (no name) - http://www.lovecalculator.be/css/transparent.gif

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End of file - 10617 bytes

ciao mluisaf.
purtroppo la tua amica è messa male,il pc è infettato da vari troyan,e altre schifezze.
Aspetta P2 o Roselli,ma ho il sospetto che dovrai formattare.