Questa storia del rootkit nel MBR si sta diffondendo a macchia d'olio. Anche il computer di casa di una mia collega sembra infetto dallo stesso virus e non si riesce a venirci a capo. Personalmente ho provato con tutti i mezzi trovati in internet ma non sono riuscito a fare niente di buono. Tutti i pulitori (gmer, ThreatFire, PREVXCSI, mbr.exe, ed altri) non trovano niente nè le scansioni on line hanno fatto di più. Solo Avast trova questo rootkit quando si accende il computer senza per altro riuscire a fare nient'altro. Il computer sembra andare normalmente con qualche leggero rallentamento che tuttavia potrebbe anche essere normale. Mi sono perciò deciso a inviare il log di HijackThis sperando che i più capaci riescano a scovare l'intruso o almeno a indicare una via verso la risoluzione. Grazie in anticipo, jjmmy
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8.30.35, on 28/04/2008
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Boot mode: Normal
Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\Programmi\Sygate\SPF\smc.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
C:\Programmi\Alwil Software\Avast4\ashServ.exe
C:\Programmi\PrevxCSI\PrevxCSI.exe
C:\WINNT\System32\svchost.exe
C:\Programmi\FreePOPs\freepopsservice.exe
C:\Programmi\FreePOPs\freepopsd.exe
C:\WINNT\system32\mgabg.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\Programmi\ThreatFire\TFService.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\PROGRA~1\Garzanti Linguistica\Italiano Clic\vb\ItaTray.exe
C:\WINNT\system32\spool\drivers\w32x86\3\hpztsb04.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Programmi\ThreatFire\TFTray.exe
C:\Programmi\PrevxCSI\PrevxCSI.exe
C:\WINNT\system32\internat.exe
C:\Programmi\Everyday Auto Backup\AutoBackup.exe
C:\Programmi\FreePOPs\freepopsd.exe
C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\Programmi\Outlook Express\msimn.exe
C:\Programmi\ThreatFire\TFGui.exe
C:\HIJ2\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.unipr.it/R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: Yahoo! Toolbar con blocco Pop-Up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: Yahoo! Toolbar con blocco Pop-Up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O4 - HKLM\..\Run: [Tweak UI] RUNDLL32.EXE TWEAKUI.CPL,TweakMeUp
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Sygate\SPF\smc.exe -startgui
O4 - HKLM\..\Run: [Italiano clic] C:\PROGRA~1\Garzanti Linguistica\Italiano Clic\vb\ItaTray.exe /w
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINNT\system32\spool\drivers\w32x86\3\hpztsb04.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINNT\system32\NeroCheck.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [ThreatFire] C:\Programmi\ThreatFire\TFTray.exe
O4 - HKLM\..\Run: [PrevxCSI] "C:\Programmi\PrevxCSI\PrevxCSI.exe" /bootupreg
O4 - HKCU\..\Run: [internat.exe] internat.exe
O4 - HKCU\..\Run: [Everyday Auto Backup] C:\Programmi\Everyday Auto Backup\AutoBackup.exe /1
O4 - HKUS\.DEFAULT\..\Run: [internat.exe] internat.exe (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [^SetupICWDesktop] C:\Programmi\Internet Explorer\Connection Wizard\icwconn1.exe /desktop (User 'Default user')
O4 - Startup: Collegamento a freepopsd.exe.lnk = C:\Programmi\FreePOPs\freepopsd.exe
O4 - Startup: Collegamento a Microsoft Outlook.lnk = ?
O4 - Startup: Collegamento a Smc.exe.lnk = C:\Programmi\Sygate\SPF\Smc.exe
O8 - Extra context menu item: Scarica con Download &Express - C:\PROGRAMMI\DOWNLOAD EXPRESS\Add_Url.htm
O15 - Trusted Zone: *.amaena.com
O15 - Trusted Zone: *.avsystemcare.com
O15 - Trusted Zone: *.onerateld.com
O15 - Trusted Zone: *.safetydownload.com
O15 - Trusted Zone: *.trustedantivirus.com
O15 - Trusted Zone: *.virusschlacht.com
O15 - Trusted Zone: *.amaena.com (HKLM)
O15 - Trusted Zone: *.avsystemcare.com (HKLM)
O15 - Trusted Zone: *.onerateld.com (HKLM)
O15 - Trusted Zone: *.safetydownload.com (HKLM)
O15 - Trusted Zone: *.trustedantivirus.com (HKLM)
O15 - Trusted Zone: *.virusschlacht.com (HKLM)
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) -
http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cabO16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) -
http://www.update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1192116555099O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) -
http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cabO17 - HKLM\System\CCS\Services\Tcpip\..\{338CD1F2-9515-4121-A307-391048F28098}: NameServer = 160.78.48.10,192.135.11.20
O17 - HKLM\System\CS1\Services\Tcpip\..\{338CD1F2-9515-4121-A307-391048F28098}: NameServer = 160.78.48.10,192.135.11.20
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Programmi\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Programmi\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: F-Secure Automatic Update (BackWeb Client - 7681197) - ALWIL Software - (no file)
O23 - Service: CSIScanner - Prevx - C:\Programmi\PrevxCSI\\PrevxCSI.exe
O23 - Service: Servizio amministrativo di Gestione disco logico (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: FreePOPs - Unknown owner - C:\Programmi\FreePOPs\freepopsservice.exe
O23 - Service: MGABGEXE - Matrox Graphics Inc. - C:\WINNT\system32\mgabg.exe
O23 - Service: OracleOraHome81ClientCache - Unknown owner - C:\Oracle\Ora81\BIN\ONRSD.EXE
O23 - Service: Sygate Personal Firewall (SmcService) - Sygate Technologies, Inc. - C:\Programmi\Sygate\SPF\smc.exe
O23 - Service: ThreatFire - PC Tools - C:\Programmi\ThreatFire\TFService.exe
O23 - Service: Microsoft Service Manager (winmdgr) - Sygate Technologies, Inc. - (no file)
O24 - Desktop Component 0: (no name) - file:///C:/DOCUME~1/ADMINI~1/IMPOST~1/Temp/msoclip1/01/clip_image002.jpg
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End of file - 6609 bytes