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View Full Version : Explorer.exe causing buffer overflow attacks



Phrixos
2009-10-02, 23:24
Comodo Firewall is reporting that Explorer.exe is causing buffer overrun (overflow?) attacks. Don't know what they are, but they sure don't sound good.

My anti-malware (Iobit Security 360) is reporting a clean machine--so:

Below is my HJT long:

Anyone see anything that doesn't belong?

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 21:12:10, on 02/10/2009
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18813)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
P:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\Windows\System32\spool\drivers\w32x86\3\WrtMon.exe
C:\Program Files\Comodo\COMODO Internet Security\cfp.exe
P:\Program Files\IObit\IObit Security 360\is360tray.exe
C:\Windows\system32\taskeng.exe
P:\Program Files\Adobe\Acrobat 9.0\Acrobat\acrotray.exe
C:\Windows\ehome\ehtray.exe
P:\Program Files\Codebox\BitMeter\BitMeter2.exe
C:\Windows\System32\spool\drivers\w32x86\3\WrtProc.exe
C:\Windows\ehome\ehmsas.exe
C:\Windows\system32\taskeng.exe
P:\Program Files\IObit\Advanced SystemCare 3\AWC.exe
C:\Windows\system32\SearchFilterHost.exe
P:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.sky.com
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 = http://www.google.co.uk/advanced_search?hl=en
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
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
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 = Internet Explorer Provided By Sky Broadband
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Adobe PDF Conversion Toolbar Helper - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll
O2 - BHO: SmartSelect - {F4971EE7-DAA0-4053-9964-665D8EE6A077} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll
O2 - BHO: DAPIELoader Class - {FF6C3CF0-4B15-11D1-ABED-709549C10000} - P:\PROGRA~1\DAP\DAPIEL~1.DLL
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [avast!] P:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [snp2std] C:\Windows\vsnp2std.exe
O4 - HKLM\..\Run: [WrtMon.exe] C:\Windows\system32\spool\drivers\w32x86\3\WrtMon.exe
O4 - HKLM\..\Run: [COMODO Internet Security] "C:\Program Files\Comodo\COMODO Internet Security\cfp.exe" -h
O4 - HKLM\..\Run: [IObit Security 360] P:\Program Files\IObit\IObit Security 360\IS360tray.exe
O4 - HKLM\..\Run: [Adobe Acrobat Speed Launcher] "P:\Program Files\Adobe\Acrobat 9.0\Acrobat\Acrobat_sl.exe"
O4 - HKLM\..\Run: [Acrobat Assistant 8.0] "P:\Program Files\Adobe\Acrobat 9.0\Acrobat\Acrotray.exe"
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [DownloadAccelerator] "P:\Program Files\DAP\DAP.EXE" /STARTUP
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'LOCAL SERVICE')
O4 - Global Startup: Adobe Gamma Loader.lnk = ?
O4 - Global Startup: Bitmeter2.lnk = P:\Program Files\Codebox\BitMeter\BitMeter2.exe
O8 - Extra context menu item: &Clean Traces - P:\Program Files\DAP\Privacy Package\dapcleanerie.htm
O8 - Extra context menu item: &Download with &DAP - P:\Program Files\DAP\dapextie.htm
O8 - Extra context menu item: Append to existing PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert link target to Adobe PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Convert link target to existing PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Convert to Adobe PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Download &all with DAP - P:\Program Files\DAP\dapextie2.htm
O9 - Extra button: Sky - {08E730A4-FB02-45BD-A900-01E4AD8016F6} - http://www.sky.com (file missing)
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - P:\PROGRA~1\MICROS~1\Office12\REFIEBAR.DLL
O13 - Gopher Prefix:
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1245148122034
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1245147838535
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} (get_atlcom Class) - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O20 - AppInit_DLLs: C:\Windows\system32\guard32.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - P:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: avast! Antivirus - ALWIL Software - P:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - P:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - P:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: COMODO Internet Security Helper Service (cmdAgent) - COMODO - C:\Program Files\Comodo\COMODO Internet Security\cmdagent.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: IS360service - IObit - P:\Program Files\IObit\IObit Security 360\IS360srv.exe

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End of file - 6945 bytes

shelf life
2009-10-10, 02:41
hi Phrixos,

Sorry for the delay. Your log is several days old, if you still need help with possible malware reply to my post.