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Assit in removing browsela.dll (GenericDownloader.c), please


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#1
caz5150

caz5150

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I have followed instructions (several times) of folks who have similiar problems. While the majority of malware has been removed, this one won't seem to go.

Per the "Read before you post" page. . .

1. Cleanup. . .done
2. Adaware Scan. . .done (found/removed 3)
3. CW Shredder. . .clean
4. Spybot. . .found none. . .immunized
5. Ewido Security Scan. . .done (log below). I traditionally run McAfee, but disabled it prior to running Ewido Scan. . .note that browsela.dll was cleaned, but Mcafee found it after reboot. (HJT ties it to winlogin.exe). There was a reference to c:\system32\inet200002\winlogin.exe (or something close to that) in my system.ini, which I removed when all of this started a few days ago.

---------------------------------------------------------
ewido anti-malware - Scan report
---------------------------------------------------------

+ Created on: 4:39:57 PM, 1/3/2006
+ Report-Checksum: 25C56FAA

+ Scan result:

HKLM\SOFTWARE\Classes\CLSID\{31EE3286-D785-4E3F-95FC-51D00FDABC01} -> Downloader.Delf.aeo : Cleaned with backup
[520] C:\WINDOWS\system32\browsela.dll -> Downloader.Delf.aeo : Cleaned with backup
C:\WINDOWS\system32\browsela.dll -> Downloader.Delf.aeo : Cleaned with backup


::Report End

6. Windows Updates - On (and always have been)
7. Reboot. . .done
8. HiJack This Log:

Logfile of HijackThis v1.99.1
Scan saved at 4:40:42 PM, on 1/3/2006
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\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\spoolsv.exe
C:\Program Files\ewido anti-malware\ewidoctrl.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\McAfee.com\VSO\oasclnt.exe
C:\WINDOWS\system32\NWTRAY.EXE
C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Adobe\Acrobat 6.0\Distillr\acrotray.exe
C:\WINDOWS\system32\devldr32.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\Documents and Settings\Administrator\Desktop\hjt\HijackThis.exe

O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: AcroIEToolbarHelper Class - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\progra~1\mcafee.com\vso\mcvsshl.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O4 - HKLM\..\Run: [VSOCheckTask] "C:\PROGRA~1\McAfee.com\VSO\mcmnhdlr.exe" /checktask
O4 - HKLM\..\Run: [VirusScan Online] C:\Program Files\McAfee.com\VSO\mcvsshld.exe
O4 - HKLM\..\Run: [OASClnt] C:\Program Files\McAfee.com\VSO\oasclnt.exe
O4 - HKLM\..\Run: [MCAgentExe] c:\PROGRA~1\mcafee.com\agent\mcagent.exe
O4 - HKLM\..\Run: [MCUpdateExe] c:\PROGRA~1\mcafee.com\agent\mcupdate.exe
O4 - HKLM\..\Run: [NWTRAY] NWTRAY.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKCU\..\Run: [H/PC Connection Agent] "C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 6.0\Distillr\acrotray.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft....k/?linkid=39204
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcaf...01/mcinsctl.cab
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcaf...,26/mcgdmgr.cab
O20 - Winlogon Notify: browsela - C:\WINDOWS\system32\browsela.dll
O23 - Service: Client Update Service for Novell (cusrvc) - Novell, Inc. - C:\WINDOWS\system32\cusrvc.exe
O23 - Service: ewido security suite control - ewido networks - C:\Program Files\ewido anti-malware\ewidoctrl.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: McAfee WSC Integration (McDetect.exe) - McAfee, Inc - c:\program files\mcafee.com\agent\mcdetect.exe
O23 - Service: McAfee.com McShield (McShield) - McAfee Inc. - c:\PROGRA~1\mcafee.com\vso\mcshield.exe
O23 - Service: McAfee Task Scheduler (McTskshd.exe) - McAfee, Inc - c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe


System is XP Pro, SP2. If I had to put my finger on it, this was browser based, meaning I hit a web site and was slammed w/ a bunch of stuff, which as I said before, the previous steps seem to have removed.

Thanks for any help,
Caz
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#2
loophole

loophole

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Hi caz5150 :tazz:

Download win32delfkil.exe.
Save it on your desktop.
Double click on win32delfkil.exe and install it. This creates a new folder on your desktop: win32delfkil.
Close all windows, open the win32delfkil folder and double click on fix.bat.
The computer will reboot automatically.
Post the contents of the logfile c\windelf.txt, along with a new hijackhislog.

Edited by loophole, 03 January 2006 - 04:34 PM.

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#3
caz5150

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Thanks. . .

Here is windelf.txt:

************************
* WIN32DELFKIL LOGFILE *
************************


BEFORE RUNNING WIN32DELFKIL
***************************

File(s) found in Windows directory
----------------------------------

File(s) found in system32 folder
--------------------------------
browsela.dll

SharedTaskScheduler key
-----------------------

SteelWerX Registry Console Tool 1.0
Written by Bobbi Flekman © 2005

HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\sharedtaskscheduler
{438755C2-A8BA-11D1-B96B-00A0C90312E1} REG_SZ Browseui preloader
{8C7461EF-2B13-11d2-BE35-3078302C2030} REG_SZ Component Categories cache daemon
{0BC9BC01-54D4-4CCE-2B7D-955164314CD4} REG_SZ OLE Module
{31EE3286-D785-4E3F-95FC-51D00FDABC01} REG_SZ Master Browseui

Notify key
----------
subkey browsela is present!



AFTER RUNNING WIN32DELFKIL
**************************

File(s) found in Windows directory
----------------------------------

File(s) found in system32 folder
--------------------------------

SharedTaskScheduler key
-----------------------

SteelWerX Registry Console Tool 1.0
Written by Bobbi Flekman © 2005

HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\sharedtaskscheduler
{438755C2-A8BA-11D1-B96B-00A0C90312E1} REG_SZ Browseui preloader
{8C7461EF-2B13-11d2-BE35-3078302C2030} REG_SZ Component Categories cache daemon
{0BC9BC01-54D4-4CCE-2B7D-955164314CD4} REG_SZ OLE Module

Notify key
----------


Here is new HJT Log:

Logfile of HijackThis v1.99.1
Scan saved at 6:02:24 PM, on 1/3/2006
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\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\spoolsv.exe
C:\Program Files\ewido anti-malware\ewidoctrl.exe
c:\program files\mcafee.com\agent\mcdetect.exe
c:\PROGRA~1\mcafee.com\vso\mcshield.exe
c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\McAfee.com\VSO\mcvsshld.exe
C:\Program Files\McAfee.com\VSO\oasclnt.exe
c:\progra~1\mcafee.com\vso\mcvsescn.exe
C:\PROGRA~1\mcafee.com\agent\mcagent.exe
C:\WINDOWS\system32\NWTRAY.EXE
C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Adobe\Acrobat 6.0\Distillr\acrotray.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\Documents and Settings\Administrator\Desktop\hjt\HijackThis.exe

O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: AcroIEToolbarHelper Class - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\progra~1\mcafee.com\vso\mcvsshl.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O4 - HKLM\..\Run: [VSOCheckTask] "C:\PROGRA~1\McAfee.com\VSO\mcmnhdlr.exe" /checktask
O4 - HKLM\..\Run: [VirusScan Online] C:\Program Files\McAfee.com\VSO\mcvsshld.exe
O4 - HKLM\..\Run: [OASClnt] C:\Program Files\McAfee.com\VSO\oasclnt.exe
O4 - HKLM\..\Run: [MCAgentExe] c:\PROGRA~1\mcafee.com\agent\mcagent.exe
O4 - HKLM\..\Run: [MCUpdateExe] C:\PROGRA~1\mcafee.com\agent\mcupdate.exe
O4 - HKLM\..\Run: [NWTRAY] NWTRAY.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKCU\..\Run: [H/PC Connection Agent] "C:\Program Files\Microsoft ActiveSync\WCESCOMM.EXE"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 6.0\Distillr\acrotray.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft....k/?linkid=39204
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcaf...01/mcinsctl.cab
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcaf...,26/mcgdmgr.cab
O23 - Service: Client Update Service for Novell (cusrvc) - Novell, Inc. - C:\WINDOWS\system32\cusrvc.exe
O23 - Service: ewido security suite control - ewido networks - C:\Program Files\ewido anti-malware\ewidoctrl.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: McAfee WSC Integration (McDetect.exe) - McAfee, Inc - c:\program files\mcafee.com\agent\mcdetect.exe
O23 - Service: McAfee.com McShield (McShield) - McAfee Inc. - c:\PROGRA~1\mcafee.com\vso\mcshield.exe
O23 - Service: McAfee Task Scheduler (McTskshd.exe) - McAfee, Inc - c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe


And so far. . all seems well. I ran win32delfkil before, but didn't help (?). I suppose there is a specific order or something. Kinda feel bad for posting now :tazz:

Unless, you see anything else creepy. . . .

Thanks,
Caz
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#4
loophole

loophole

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Everything else looks fine. How is it running?
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#5
caz5150

caz5150

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McAfee hasn't complained, so I think we're good.

Thanks so much for you time and experience!
Caz
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#6
loophole

loophole

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Your welcome :) Congratulations
your system is clean :tazz:

The following is a list of tools and utilities that I like to suggest to people. This list is full of great tools and utilities to help you understand how you got infected and how to keep from getting infected again.
  • Anti virus- An anti-virus is a must, here are a few good free ones.

  • Spybot Search & Destroy - Uber powerful tool which can search and annhilate nasties that make it onto your system. Now with an Immunize section that will help prevent future infections.
  • AdAware - Another very powerful tool which searches and kills nasties that infect your system. AdAware and Spybot Search & Destroy compliment each other very well.
  • SpywareBlaster - Great prevention tool to keep nasties from installing on your system.
  • SpywareGuard - Works as a Spyware "Shield" to protect your computer from getting malware in the first place.
  • IE-SpyAd - puts over 5000 sites in your restricted zone so you'll be protected when you visit innocent-looking sites that aren't actually innocent at all.
  • CleanUP! - Cleans temporary files from IE and Windows, empties the recycle bin and more. Great tool to help speed up your computer and knock out those nasties that like to reside in the temp folders.
  • Windows Updates - It is very important to make sure that both Internet Explorer and Windows are kept current with the latest critical security patches from Microsoft. To do this just start Internet Explorer and select Tools > Windows Update, and follow the online instructions from there.
  • Google Toolbar - Free google toolbar that allows you to use the powerful Google search engine from the bar, but also blocks pop up windows.
  • Trillian or Miranda-IM - These are Malware free Instant Messenger programs which allow you to connect to multiple IM services in one program! (AOL, Yahoo, ICQ, IRC, MSN)
To find out more information about how you got infected in the first place and some great guidelines to follow to prevent future infections you can read this article by Tony Klein
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