Salve, vi chiedo un aiuto perchè credo ti aver preso un virus; mi compaiono sempre delle finestrelle a nome Symantec Email Proxy con un messaggio che dice così:
"Non è stato possibile inviare il messaggio e-mail perchè il server di posta ha rifiutato il messaggio:
554 message refused

Provo a inserire il log di Hijackthis ( 1 parte )

Grazie mille

Stefano

Logfile of Trend Micro HijackThis v2.0.5
Scan saved at 14:07:35, on 18/09/2014
Platform: Windows 7 SP1 (WinNT 6.00.3505)
MSIE: Internet Explorer v11.0 (11.00.9600.17280)

Boot mode: Normal
Running processes:
C:\Program Files (x86)\Hewlett-Packard\HP Desktop Keyboard\HPKEYBOARDx.EXE
C:\Program Files (x86)\Citrix\ICA Client\concentr.exe
C:\Program Files (x86)\Citrix\ICA Client\wfcrun32.exe
C:\Users\polifarma\AppData\Roaming\Dropbox\bin\Dro pbox.exe
C:\Program Files\Microsoft Office 15\root\office15\GROOVE.EXE
C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
C:\Program Files (x86)\Hewlett-Packard\HP Desktop Keyboard\Keystatus.exe
C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe
C:\Program Files (x86)\Symantec\Symantec Endpoint Protection\12.1.671.4971.105\Bin\ccSvcHst.exe
C:\Program Files\Microsoft Office 15\Root\Office15\MsoSync.exe
C:\Users\polifarma\Downloads\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.uk.msn.com/HPCOM13/27
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.uk.msn.com/HPCOM13/27
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://g.uk.msn.com/HPCOM13/27
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
F2 - REG:system.ini: UserInit=userinit.exe
O2 - BHO: Lync Click to Call BHO - {31D09BA0-12F5-4CCE-BE8A-2923E76605DA} - C:\Program Files\Microsoft Office 15\root\Office15\OCHelper.dll
O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\Program Files (x86)\Symantec\Symantec Endpoint Protection\12.1.671.4971.105\bin\IPS\IPSBHO.DLL
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files (x86)\Java\jre7\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files (x86)\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: URLRedirectionBHO - {B4F3A835-0E21-4959-BA22-42B3008E02FF} - C:\Program Files\Microsoft Office 15\root\Office15\URLREDIR.DLL
O2 - BHO: Microsoft SkyDrive Pro Browser Helper - {D0498E0A-45B7-42AE-A9AA-ABA463DBD3BF} - C:\Program Files\Microsoft Office 15\root\Office15\GROOVEEX.DLL
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre7\bin\jp2ssv.dll
O2 - BHO: HP Network Check Helper - {E76FD755-C1BA-4DCB-9F13-99BD91223ADE} - C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\HPNetworkCheckP lugin.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files (x86)\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [HP KEYBOARDx] "C:\Program Files (x86)\Hewlett-Packard\HP Desktop Keyboard\HPKEYBOARDx.EXE"
O4 - HKLM\..\Run: [File Sanitizer] c:\Program Files (x86)\Hewlett-Packard\File Sanitizer\CoreShredder.exe
O4 - HKLM\..\Run: [ConnectionCenter] "C:\Program Files (x86)\Citrix\ICA Client\concentr.exe" /startup
O4 - HKLM\..\Run: [Client Access Service] "C:\Program Files (x86)\IBM\Client Access\cwbsvstr.exe"
O4 - HKLM\..\Run: [Client Access Help Update] "C:\Program Files (x86)\IBM\Client Access\cwbinhlp.exe"
O4 - HKLM\..\Run: [Client Access Check Version] "C:\Program Files (x86)\IBM\Client Access\cwbckver.exe" LOGIN
O4 - HKLM\..\Run: [Client Access Express Welcome] "C:\Program Files (x86)\IBM\Client Access\cwbwlwiz.exe"
O4 - HKLM\..\Run: [Client Access PC5250 Sound] "C:\Program Files (x86)\IBM\Client Access\Emulator\pcssnd.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe"
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVIZIO DI RETE')
O4 - Startup: Dropbox.lnk = C:\Users\polifarma\AppData\Roaming\Dropbox\bin\Dro pbox.exe
O4 - Startup: OneDrive for Business.lnk = C:\Program Files\Microsoft Office 15\root\office15\GROOVE.EXE
O4 - Global Startup: Online plug-in.lnk = ?
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~2\MICROS~1\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\Program Files\Microsoft Office 15\Root\Office15\EXCEL.EXE/3000
O8 - Extra context menu item: Se&nd to OneNote - res://C:\Program Files\Microsoft Office 15\Root\Office15\ONBttnIE.dll/105
O9 - Extra button: @C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\HPNetworkCheckP lugin.dll,-103 - {25510184-5A38-4A99-B273-DCA8EEF6CD08} - C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\NCLauncherFromI E.exe
O9 - Extra 'Tools' menuitem: @C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\HPNetworkCheckP lugin.dll,-102 - {25510184-5A38-4A99-B273-DCA8EEF6CD08} - C:\Program Files (x86)\Hewlett-Packard\HP Support Framework\Resources\HPNetworkCheck\NCLauncherFromI E.exe
O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files\Microsoft Office 15\root\Office15\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: Se&nd to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files\Microsoft Office 15\root\Office15\ONBttnIE.dll
O9 - Extra button: Lync Click to Call - {31D09BA0-12F5-4CCE-BE8A-2923E76605DA} - C:\Program Files\Microsoft Office 15\root\Office15\OCHelper.dll
O9 - Extra 'Tools' menuitem: Lync Click to Call - {31D09BA0-12F5-4CCE-BE8A-2923E76605DA} - C:\Program Files\Microsoft Office 15\root\Office15\OCHelper.dll
O9 - Extra button: OneNote Lin&ked Notes - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files\Microsoft Office 15\root\Office15\ONBttnIELinkedNotes.dll
O9 - Extra 'Tools' menuitem: OneNote Lin&ked Notes - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files\Microsoft Office 15\root\Office15\ONBttnIELinkedNotes.dll
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\MICROS~1\OFFICE11\REFIEBAR.DLL
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O17 - HKLM\System\CCS\Services\Tcpip\..\{C090E9CD-E1A0-43D4-89CC-9A5FDA9160C6}: NameServer = 10.10.30.1,8.8.8.8
O18 - Protocol: osf - {D924BDC6-C83A-4BD5-90D0-095128A113D1} - C:\Program Files\Microsoft Office 15\root\Office15\MSOSB.DLL
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~2\COMMON~1\Skype\SKYPE4~1.DLL
O18 - Filter: application/x-ica - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica; charset=euc-jp - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica; charset=ISO-8859-1 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica; charset=MS936 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica; charset=MS949 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica; charset=MS950 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica; charset=UTF-8 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica; charset=UTF8 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica;charset=euc-jp - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica;charset=ISO-8859-1 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica;charset=MS936 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica;charset=MS949 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica;charset=MS950 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica;charset=UTF-8 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter: application/x-ica;charset=UTF8 - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O18 - Filter hijack: ica - {CFB6322E-CC85-4d1b-82C7-893888A236BC} - C:\Program Files (x86)\Citrix\ICA Client\IcaMimeFilter.dll
O20 - Winlogon Notify: SEP - C:\Program Files (x86)\Symantec\Symantec Endpoint Protection\12.1.671.4971.105\Bin\WinLogoutNotifier .dll (file missing)