Buona sera. Potreste farmi un check-up di questo log?
Da 3 giorni l'antivirus AVG mi avvisa di un vcrvsn.dll (in WINDOWS\system32\) ora non appare pìù, ma ho l'impressione che c'è ancora del marcio...

Vi ringrazio.

Logfile of HijackThis v1.99.1
Scan saved at 04:24:05, on 19.10.2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16674)

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:\Programme\Lavasoft\Ad-Aware\aawservice.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Programme\FRAMXPRO\FreeRAM XP Pro 1.40.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\WINDOWS\system32\drivers\CDAC11BA.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Programme\Executive Software\Diskeeper\DkService.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\Programme\Internet Explorer\IEXPLORE.EXE
C:\Programme\Gemeinsame Dateien\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\Programme\HIJACKTHIS\HijackThis.exe

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
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://es.rd.yahoo.com/customize/ie/defaults/su/msgr7/*http://es.search.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: (no name) - {031E521E-891B-48BF-A82F-5B22156C1415} - (no file)
O2 - BHO: {af11a103-6fd0-1b78-e654-a01b1abc1d40} - {04d1cba1-b10a-456e-87b1-0df6301a11fa} - C:\WINDOWS\system32\vcrvsn.dll (file missing)
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {31CDFCB9-37D6-4C1D-A31D-AA2DD56F637B} - C:\WINDOWS\system32\byXnKbAT.dll (file missing)
O2 - BHO: (no name) - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - (no file)
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programme\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {592B8BFD-7D4C-4D14-8D82-91F78FA4C5DE} - (no file)
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: (no name) - {8644A743-C34B-485F-BF94-791C877B5F4A} - C:\WINDOWS\system32\pmnlMeFX.dll (file missing)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programme\Gemeinsame Dateien\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: AVG Security Toolbar - {A057A204-BACC-4D26-9990-79A187E2698E} - C:\Programme\AVG\AVG8\avgtoolbar.dll
O2 - BHO: NTIECatcher Class - {C56CB6B0-0D96-11D6-8C65-B2868B609932} - C:\Programme\NETTRANS\NetTransport 2\NTIEHelper.dll
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Programme\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: ImageShack Toolbar - {6932D140-ABC4-4073-A44C-D4A541665E35} - C:\WINDOWS\ImageShackToolbar\ImageShackToolbar.dll
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Programme\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: AVG Security Toolbar - {A057A204-BACC-4D26-9990-79A187E2698E} - C:\Programme\AVG\AVG8\avgtoolbar.dll
O4 - HKLM\..\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKCU\..\Run: [FreeRAM XP] "C:\Programme\FRAMXPRO\FreeRAM XP Pro 1.40.exe" -win
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Programme\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Adobe Reader - Schnellstart.lnk = C:\Programme\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Post Image to Blog - res://C:\WINDOWS\ImageShackToolbar\ImageShackToolbar.dll/5003
O8 - Extra context menu item: Salva oggetto con Net Transport - C:\Programme\NETTRANS\NetTransport 2\NTAddLink.html
O8 - Extra context menu item: Salva tutti gli oggetti con Net Transport - C:\Programme\NETTRANS\NetTransport 2\NTAddList.html
O8 - Extra context menu item: Tag This Image - res://C:\WINDOWS\ImageShackToolbar\ImageShackToolbar.dll/5002
O8 - Extra context menu item: Upload All Images to ImageShack - res://C:\WINDOWS\ImageShackToolbar\ImageShackToolbar.dll/5000
O8 - Extra context menu item: Upload Image to ImageShack - res://C:\WINDOWS\ImageShackToolbar\ImageShackToolbar.dll/5001
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Programme\Spybot - Search & Destroy\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search && Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\Programme\Spybot - Search & Destroy\SDHelper.dll
O11 - Options group: [INTERNATIONAL] International*
O15 - Trusted Zone: http://www.adobe.com
O15 - Trusted Zone: http://www.allposters.it
O15 - Trusted Zone: http://www.beepworld.de
O15 - Trusted Zone: http://www.cosgan.de
O15 - Trusted Zone: http://phpbb.forumgratis.com
O15 - Trusted Zone: http://dj_alex.gratis-webspace.ch
O15 - Trusted Zone: http://www.gratis-webspace.ch
O15 - Trusted Zone: http://www.helge-poeschmann.info
O15 - Trusted Zone: http://your.hispeed.ch
O15 - Trusted Zone: http://www.hotmail.com
O15 - Trusted Zone: http://toolbar.imageshack.us
O15 - Trusted Zone: http://by114w.bay114.mail.live.com
O15 - Trusted Zone: http://www.madeinparadise.de
O15 - Trusted Zone: http://www.meinung-live.de
O15 - Trusted Zone: http://by20fd.bay20.hotmail.msn.com
O15 - Trusted Zone: http://www.msnusers.com
O15 - Trusted Zone: http://www.mycontact.ch.vu
O15 - Trusted Zone: http://login.passport.net
O15 - Trusted Zone: www.swisscom.com
O15 - Trusted Zone: http://www.swisscom.com
O15 - Trusted Zone: http://www.vocinelweb.it
O15 - Trusted Zone: http://web1.vs247147.vserver.de
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab31267.cab
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Programme\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by20fd.bay20.hotmail.msn.com/resources/MsnPUpld.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1125621618325
O16 - DPF: {6932D140-ABC4-4073-A44C-D4A541665E35} (ImageShack Toolbar) - http://toolbar.imageshack.us/toolbar/ImageShackToolbar.cab
O16 - DPF: {A8F2B9BD-A6A0-486A-9744-18920D898429} (ScorchPlugin Class) - http://www.sibelius.com/download/software/win/ActiveXPlugin.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O16 - DPF: {DA511858-B44C-439E-A0EA-704ED20035E7} (EphoxEditLive4.EditLive) - http://www.beepworld.de/hp/activexeditor/editlive4.cab
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Programme\AVG\AVG8\avgpp.dll
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
O20 - AppInit_DLLs: avgrsstx.dll vcrvsn.dll
O20 - Winlogon Notify: byXnKbAT - byXnKbAT.dll (file missing)
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Programme\Lavasoft\Ad-Aware\aawservice.exe
O23 - Service: AVG8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\system32\drivers\CDAC11BA.EXE
O23 - Service: Diskeeper - Executive Software International, Inc. - C:\Programme\Executive Software\Diskeeper\DkService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programme\Gemeinsame Dateien\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: TuneUp Drive Defrag-Dienst (TuneUp.Defrag) - TuneUp Software GmbH - C:\WINDOWS\System32\TuneUpDefragService.exe

Fai bene attenzione a quello che devi fare:

Chiudi HijackThis in una cartella a lui dedicata (possibilmente non sul desktop), altrimenti perdi i backup;

Disattiva il Ripristino configurazione di Sistema come qui descritto;
avvia in modalità provvisoria come qui descritto;
rendi visibili le cartelle nascoste ------ > procedura:
da Risorse del computer:
Strumenti >> Opzioni cartella >> visualizzazione;
metti la spunta su:
Visualizza file e cartelle nascoste;
togli la spunta da:
Nascondi file protetti del sistema(consigliato)

Avvia hijackthis, con tutte le applicazioni chiuse, premi su Do a system scan only , spunta ed elimina (fix checked) le seguenti righe:

Tutte le 015 e inoltre:

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O2 - BHO: {af11a103-6fd0-1b78-e654-a01b1abc1d40} - {04d1cba1-b10a-456e-87b1-0df6301a11fa} - C:\WINDOWS\system32\vcrvsn.dll (file missing)
O2 - BHO: {af11a103-6fd0-1b78-e654-a01b1abc1d40} - {04d1cba1-b10a-456e-87b1-0df6301a11fa} - C:\WINDOWS\system32\vcrvsn.dll (file missing)
O2 - BHO: (no name) - {31CDFCB9-37D6-4C1D-A31D-AA2DD56F637B} - C:\WINDOWS\system32\byXnKbAT.dll (file missing)
O2 - BHO: (no name) - {592B8BFD-7D4C-4D14-8D82-91F78FA4C5DE} - (no file)
O2 - BHO: (no name) - {8644A743-C34B-485F-BF94-791C877B5F4A} - C:\WINDOWS\system32\pmnlMeFX.dll (file missing)
O20 - AppInit_DLLs: avgrsstx.dll vcrvsn.dll

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Start >> Esegui. Scrivi (o copia e incolla) la stringa %temp%, clicca su Ok, svuota la cartella temp;
Vai su Strumenti >> Opzioni Internet, elimina la cronologia, i files temporanei internet, i cookies;
svuota il cestino;


posta un log aggiornato.

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mi dite per favore se il log è pulito?
grazie assai