Facendo una scansione con A-SQUARED mi risulta che il file di sistema CSRSS.EXE è infetto di BACKDOOR WIN32 BIFROSE.EM, il mio antivirus AVG non lo rileva ed anche facendo una scansione on-line con PANDA antivirus non viene rilevato questo virus.

Cosa devo fare? a chi devo credere ?

posto il mio HIJACTHIS e grazie a tutti



Logfile of HijackThis v1.99.1
Scan saved at 21.10.23, on 03/12/2007
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\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\msdtc.exe
c:\programmi\a-squared free\a2service.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\cisvc.exe
C:\WINDOWS\system32\inetsrv\inetinfo.exe
C:\Programmi\Kerio\Personal Firewall 4\kpf4ss.exe
C:\WINDOWS\system32\tcpsvcs.exe
C:\WINDOWS\System32\snmp.exe
C:\Programmi\Spyware Terminator\sp_rsser.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\wdfmgr.exe
C:\WINDOWS\system32\MsPMSPSv.exe
C:\Programmi\Kerio\Personal Firewall 4\kpf4gui.exe
C:\WINDOWS\system32\mqsvc.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Programmi\Kerio\Personal Firewall 4\kpf4gui.exe
C:\WINDOWS\system32\mqtgsvc.exe
C:\WINDOWS\system32\taskmgr.exe
C:\Programmi\eMule\emule.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\WISPTIS.EXE
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.livescore.biz/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 6.0\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {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
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &NeoTrace It! - C:\PROGRA~1\NEOTRA~1\NTXcontext.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_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: (no name) - SolidConverterPDF - (no file) (HKCU)
O9 - Extra button: NeoTrace It! - {9885224C-1217-4c5f-83C2-00002E6CEF2B} - C:\PROGRA~1\NEOTRA~1\NTXtoolbar.htm (HKCU)
O15 - Trusted Zone: *.rossoalice.it
O15 - Trusted Zone: *.rossoalice.virgilio.it
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/actives...ree/asinst.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{CD6DF8D5-3304-4A6B-AEDD-DD6E943709F9}: NameServer = 151.99.125.1,212.216.112.112
O17 - HKLM\System\CCS\Services\Tcpip\..\{EB5A95C7-C9AB-46BE-AA30-99A2FF1D50B6}: NameServer = 85.37.17.48 85.38.28.88
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - c:\programmi\a-squared free\a2service.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
O23 - Service: Kerio Personal Firewall 4 (KPF4) - Kerio Technologies - C:\Programmi\Kerio\Personal Firewall 4\kpf4ss.exe
O23 - Service: Spyware Terminator Realtime Shield Service (sp_rssrv) - Crawler.com - C:\Programmi\Spyware Terminator\sp_rsser.exe