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Buffer Overrun detected


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#1
yocreamguy

yocreamguy

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I am supporting a user that is getting a Buffer Overrun Detected error in his ybrowser.exe file.

Below is the HijackThis log that I ran on that machine. Can you help me remove this error?

Logfile of HijackThis v1.98.2
Scan saved at 6:30:36 PM, on 10/20/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\CA\ETRUST~1\realmon.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\printray.exe
C:\WINDOWS\System32\lxamsp32.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
C:\WINDOWS\System32\inetsrv\inetinfo.exe
C:\Program Files\CA\eTrust Antivirus\InoRpc.exe
C:\Program Files\CA\eTrust Antivirus\InoRT.exe
C:\Program Files\CA\eTrust Antivirus\InoTask.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
C:\Program Files\Microsoft SQL Server\MSSQL\Binn\sqlservr.exe
C:\Program Files\Microsoft SQL Server\MSSQL\Binn\sqlagent.EXE
C:\WINDOWS\System32\wuauclt.exe
C:\PROGRA~1\Yahoo!\browser\ycommon.exe
C:\Program Files\Yahoo!\browser\ybrwicon.exe
C:\Program Files\Yahoo!\Messenger\YPAGER.EXE
C:\WINDOWS\System32\dllhost.exe
C:\WINDOWS\System32\inetsrv\DavCData.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\PROGRA~1\Yahoo!\browser\ybrowser.exe
C:\WINDOWS\explorer.exe
C:\hijackthis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://red.clientapp.../search/ie.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://red.clientapp...//www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://yahoo.sbc.com/dsl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://yahoo.sbc.com/dsl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://red.clientapp...//www.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://red.clientapp.../search/ie.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://red.clientapp...//www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://yahoo.sbc.com/dsl
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://red.clientapp...//www.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by SBC Yahoo! DSL
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_3_12_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_3_12_0.dll
O4 - HKLM\..\Run: [Realtime Monitor] C:\PROGRA~1\CA\ETRUST~1\realmon.exe -s
O4 - HKLM\..\Run: [PrinTray] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\printray.exe
O4 - HKLM\..\Run: [IPInSightMonitor 01] "C:\Program Files\SBC Yahoo!\Connection Manager\IP InSight\IPMon32.exe"
O4 - HKLM\..\Run: [lxamsp32.exe] lxamsp32.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Global Startup: Service Manager.lnk = C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O8 - Extra context menu item: Yahoo! Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O8 - Extra context menu item: Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra button: Yahoo! Login - {2499216C-4BA5-11D5-BD9C-000103C116D5} - C:\Program Files\Yahoo!\common\ylogin.dll
O9 - Extra 'Tools' menuitem: Yahoo! Login - {2499216C-4BA5-11D5-BD9C-000103C116D5} - C:\Program Files\Yahoo!\common\ylogin.dll
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O15 - Trusted Zone: *.sbcglobal.net
O15 - Trusted Zone: http://*.sbcglobal.net
O16 - DPF: {231B1C6E-F934-42A2-92B6-C2FEFEC24276} (yucsetreg Class) - C:\Program Files\Yahoo!\common\yucconfig.dll
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - C:\Program Files\Yahoo!\common\yinsthelper20040728.dll
O16 - DPF: {3299935F-2C5A-499A-9908-95CFFF6EF8C1} (Quicksilver Class) - http://scpwgc.ops.pl...quicksilver.cab
O16 - DPF: {3DFD2B52-C6E9-11D4-8226-005004F658FC} (XeWare Control) - http://sm02/crm/Plug...WarePluginX.cab
O16 - DPF: {E06E2E99-0AA1-11D4-ABA6-0060082AA75C} (GpcContainer Class) - https://supportcente...ort/ieatgpc.cab
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = iyc.local
O17 - HKLM\Software\..\Telephony: DomainName = iyc.local
O17 - HKLM\System\CCS\Services\Tcpip\..\{605A877B-BED7-4AE9-987A-7A2C59B5FF12}: NameServer = 206.141.192.60 206.141.193.55
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = iyc.local
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = iyc.local



Thanks,

Yocreamguy
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#2
Yarnouth

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Hi. Do these:

Please run a free online virus scan here (tick the "Auto Clean" checkbox):
http://housecall.antivirus.com/

And a free trojan scan here:
http://www.moosoft.com/

Download Ad-aware from: http://www.geekstogo...n=download&id=5

Install the program and launch it.

First, in the main window, look in the bottom right corner and click on Check for updates now and download the latest reference files.

Next, we need to configure Ad-aware for a full scan.

-> Click on the Gear icon (second from the left) to access the preferences/settings window

1. In the General window make sure the following are selected:
  • Automatically save log-file
  • Automatically quarantine objects prior to removal
  • Safe Mode (always request confirmation)
2. Click on the Scanning button on the left and select :
  • Scan Within Archives
  • Scan Active Processes
  • Scan Registry
  • Deep Scan Registry
  • Scan my IE favorites for banned URL’s
  • Scan my Hosts file
  • Under Click here to select drives + folders, choose:
  • All of your hard drives
-> Click on the Advanced button on the left and select:
  • Include additional process information
  • Include additional file information
  • Include environment information
  • Include additional object details
-> Click the Tweak button and select:
  • Under the Scanning Engine:
    • Unload recognized processes during scanning
    • Include basic Ad-aware settings in logfile
    • Include additional Ad-aware settings in logfile
  • Under the Cleaning Engine:
    • Let Windows remove files in use at next reboot
-> Click on Proceed to save the settings.

-> Click Start and on the next screen choose Activate in-depth Scan at the bottom of the page and then choose:
  • Use Custom Scanning Options
-> Click Next and Ad-aware will scan your hard drive(s) with the options you have selected.

-> Save the log file when it asks and then click Finish

-> When finished, mark everything for removal and get rid of it. (Right-click the window and choose Select All from the drop down menu and click Next).

-> Reboot your computer.

If you would please, rescan with HijackThis and post a fresh log in this same topic.
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#3
yocreamguy

yocreamguy

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I installed and update Ad-Aware and ran it according to the configuration that was suggested. The user is still getting the Buffer Overrun Detected messages in the Ybrowser.exe file.

Below is the most recent Hijackthis.log file.

Logfile of HijackThis v1.98.2
Scan saved at 6:14:19 PM, on 10/21/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\CA\ETRUST~1\realmon.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\printray.exe
C:\WINDOWS\System32\lxamsp32.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
C:\WINDOWS\System32\inetsrv\inetinfo.exe
C:\Program Files\CA\eTrust Antivirus\InoRpc.exe
C:\Program Files\CA\eTrust Antivirus\InoRT.exe
C:\Program Files\CA\eTrust Antivirus\InoTask.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
C:\Program Files\Microsoft SQL Server\MSSQL\Binn\sqlservr.exe
C:\Program Files\Microsoft SQL Server\MSSQL\Binn\sqlagent.EXE
C:\Program Files\Yahoo!\browser\ybrowser.exe
C:\PROGRA~1\Yahoo!\browser\ycommon.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Yahoo!\Messenger\YPAGER.EXE
C:\Program Files\Yahoo!\browser\ybrwicon.exe
C:\hijackthis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://red.clientapp.../search/ie.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://red.clientapp...//www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://yahoo.sbc.com/dsl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://yahoo.sbc.com/dsl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://red.clientapp...//www.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://red.clientapp.../search/ie.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://red.clientapp...//www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://yahoo.sbc.com/dsl
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://red.clientapp...//www.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by SBC Yahoo! DSL
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_3_12_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_3_12_0.dll
O4 - HKLM\..\Run: [Realtime Monitor] C:\PROGRA~1\CA\ETRUST~1\realmon.exe -s
O4 - HKLM\..\Run: [PrinTray] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\printray.exe
O4 - HKLM\..\Run: [IPInSightMonitor 01] "C:\Program Files\SBC Yahoo!\Connection Manager\IP InSight\IPMon32.exe"
O4 - HKLM\..\Run: [lxamsp32.exe] lxamsp32.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Global Startup: Service Manager.lnk = C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O8 - Extra context menu item: Yahoo! Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O8 - Extra context menu item: Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra button: Yahoo! Login - {2499216C-4BA5-11D5-BD9C-000103C116D5} - C:\Program Files\Yahoo!\common\ylogin.dll
O9 - Extra 'Tools' menuitem: Yahoo! Login - {2499216C-4BA5-11D5-BD9C-000103C116D5} - C:\Program Files\Yahoo!\common\ylogin.dll
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmes.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O15 - Trusted Zone: *.sbcglobal.net
O15 - Trusted Zone: http://*.sbcglobal.net
O16 - DPF: {231B1C6E-F934-42A2-92B6-C2FEFEC24276} (yucsetreg Class) - C:\Program Files\Yahoo!\common\yucconfig.dll
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - C:\Program Files\Yahoo!\common\yinsthelper20040728.dll
O16 - DPF: {3299935F-2C5A-499A-9908-95CFFF6EF8C1} (Quicksilver Class) - http://scpwgc.ops.pl...quicksilver.cab
O16 - DPF: {3DFD2B52-C6E9-11D4-8226-005004F658FC} (XeWare Control) - http://sm02/crm/Plug...WarePluginX.cab
O16 - DPF: {E06E2E99-0AA1-11D4-ABA6-0060082AA75C} (GpcContainer Class) - https://supportcente...ort/ieatgpc.cab
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = iyc.local
O17 - HKLM\Software\..\Telephony: DomainName = iyc.local
O17 - HKLM\System\CCS\Services\Tcpip\..\{605A877B-BED7-4AE9-987A-7A2C59B5FF12}: NameServer = 206.141.192.60 206.141.193.55
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = iyc.local
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = iyc.local
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#4
yocreamguy

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Do you have any other suggestions to help resolve the problem described above? <_<
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#5
Yarnouth

Yarnouth

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Hi yocreamguy

Please go offline, close all browsers and any open Windows, making sure that only HijackThis is open. Scan and when it finishes, put an X in the boxes, only next to these following items, then click fix checked.


O4 - HKLM\..\Run: [lxamsp32.exe] lxamsp32.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O16 - DPF: {3DFD2B52-C6E9-11D4-8226-005004F658FC} (XeWare Control) - http://sm02/crm/Plug...WarePluginX.cab
O16 - DPF: {E06E2E99-0AA1-11D4-ABA6-0060082AA75C} (GpcContainer Class) - https://supportcente...ort/ieatgpc.cab


If you don't know or want these fix these lines too
O15 - Trusted Zone: *.sbcglobal.net
O15 - Trusted Zone: http://*.sbcglobal.net

Please reboot into safe mode - How do I boot into "Safe" mode?.
Be sure you're able to view hidden files, and remove the following files in bold (if found):

C:\WINDOWS\SYSTEM\lxamsp32.exe

Reboot your PC.

If you would please, rescan with HijackThis and post a fresh log in this same topic, and let us know how your system's working. <_<
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