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Remaining redirects and broken links after removing malware


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9 replies to this topic

#1 agy

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Posted 25 August 2009 - 04:54 AM

Hi,

I believed to have succeeded in removing braviax.exe, PC antispyware, Total Secure, ...
All seems to operate normally, except....

I still get redirects or broken links when visiting e.g. avg or norton-sites with explorer.
It happens to all users on my laptop.

Does anyone know what's still smoking here?

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#2 Blade

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Posted 25 August 2009 - 07:24 AM

Hello and :thumbsup: to BleepingComputer

We need to do a rootkit scan

Please install RootRepeal
Note: Vista users ,, right click on desktop icon and select "Run as Administrator."
  • Go HERE, HERE, or HERE and download RootRepeal.zip to your Desktop.
Disconnect from the Internet or physically unplug your Internet cable connection.
Close all open programs, scheduling/updating tasks and background processes that might activate during the scan including the screensaver.
Temporarily disable your anti-virus and real-time anti-spyware protection.
After starting the scan, do not use the computer until the scan has completed.
When finished, re-enable your anti-virus/anti-malware (or reboot) and then you can reconnect to the Internet.
  • Extract RootRepeal.exe from the zip archive.
  • Open Posted Image on your desktop.
  • At the top of the window, click Settings, then Options.
  • Click the Ssdt & Shadow Ssdt Tab.
  • Make sure the box next to "Only display hooked functions." is checked.
  • Click the "X" in the top right corner of the Settings window to close it.
  • Click the Posted Image tab.
  • Click the Posted Image button.
  • Check all seven boxes: Posted Image
  • Push Ok
  • Check the box for your main system drive (Usually C:), and press Ok.
  • Allow RootRepeal to run a scan of your system. This may take some time.
  • Once the scan completes, push the Posted Image button. Save the log to your desktop, using a distinctive name, such as RootRepeal.txt. Include this report in your next reply, please.
~Blade


In your next reply, please include the following:
RootRepeal log

Posted Image

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#3 agy

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Posted 25 August 2009 - 08:05 AM

Thanks for jumping in quickly here! And thanks for the 'welcome', as indeed: I am new here.
I will follow your instructions, but I have to do that later, in 4 ours or so, having to leave now...

#4 agy

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Posted 25 August 2009 - 03:22 PM

Here's the logging, hope it make sense!
Took me a while to get things going. It seems really critical to close down all apps before unzipping... I've witnessed a scary blue screen...
Anyway, here's the log --->

ROOTREPEAL © AD, 2007-2009
==================================================
Scan Start Time: 2009/08/25 23:04
Program Version: Version 1.3.5.0
Windows Version: Windows XP SP2
==================================================

Drivers
-------------------
Name: c4945f62.sys
Image Path: C:\WINDOWS\System32\drivers\c4945f62.sys
Address: 0xEFF4F000 Size: 81920 File Visible: No Signed: -
Status: -

Name: dump_atapi.sys
Image Path: C:\WINDOWS\System32\Drivers\dump_atapi.sys
Address: 0xEFEE7000 Size: 98304 File Visible: No Signed: -
Status: -

Name: dump_WMILIB.SYS
Image Path: C:\WINDOWS\System32\Drivers\dump_WMILIB.SYS
Address: 0xF979F000 Size: 8192 File Visible: No Signed: -
Status: -

Name: rootrepeal.sys
Image Path: C:\WINDOWS\system32\drivers\rootrepeal.sys
Address: 0xEF1CE000 Size: 49152 File Visible: No Signed: -
Status: -

Hidden/Locked Files
-------------------
Path: C:\hiberfil.sys
Status: Locked to the Windows API!

Path: C:\WINDOWS\SYSTEM32\DRIVERS\c4945f62.sys
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc102.jpg
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc103.JPG
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc104.jpg
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc106.JPG
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc107.jpg
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc105.jpg
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc108.JPG
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc110.jpg
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc109.jpg
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc111.JPG
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc112.jpg
Status: Locked to the Windows API!

Path: C:\Documents and Settings\gea\My Documents\Prive\My Pictures\voorSjang\Dc101.jpg
Status: Locked to the Windows API!

Stealth Objects
-------------------
Object: Hidden Module [Name: svchost.exe]
Process: svchost.exe (PID: 2872) Address: 0x01000000 Size: 20480

Hidden Services
-------------------
Service Name: c4945f62
Image Path: C:\WINDOWS\System32\drivers\c4945f62.sys

==EOF==

#5 Blade

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Posted 25 August 2009 - 03:29 PM

EDITED POST:

Sorry. . . while I do suspect a rootkit, I'd like to confirm before sending you off to HJT.

Please download Sophos Anti-rootkit & save it to your desktop.
alternate download link
Note: If using the vendor's download site you will be asked to register with MySophos so an email containing an activation link can be sent to your email address.

Be sure to print out and read the Sophos Anti-Rookit User Manual and Release Notes.
  • Double-click sar_15_sfx.exe to begin the installation, read the license agreement and click Accept.
  • Allow the default location of C:\Program Files\Sophos\Sophos Anti-Rootkit and click Install.
  • A message will appear "Sophos Anti-Rootkit was successfully installed. Click 'yes' to start it now". Click Yes.
  • Make sure the following are checked:
    • Running processes
    • Windows Registry
    • Local Hard Drives
  • Click Start scan.
  • Sophos Anti-Rootkit will scan the selected areas and display any suspicious files in the upper panel.
  • When the scan is complete, a pop-up screen will appear with "Rootkit Scan Results". Click OK to continue.
  • Click on the suspicious file to display more information about it in the lower panel which also includes whether the item is recommended for removal.
    • Files tagged as Removable: No are not marked for removal and cannot be removed.
    • Files tagged as Removable: Yes (clean up recommended) are marked for removal by default.
    • Files tagged as Removable: Yes (but clean up not recommended) are not marked for removal because Sophos did not recognize them. These files will require further investigation.
  • Select only items recommended for removal, then click "Clean up checked items". You will be asked to confirm, click Yes.
  • A pop up window will appear advising the cleanup will finish when you restart your computer. Click Restart Now.
  • After reboot, a dialog box displays the files you selected for removal and the action taken.
  • Click Empty list and then click Continue to re-scan your computer a second time to ensure everything was cleaned.
  • When done, go to Start > Run and type or copy/paste: %temp%\sarscan.log
  • This should open the log from the rootkit scan. Please post this log in your next reply. If you have a problem, you can find sarscan.log in C:\Documents and Settings\\Local Settings\Temp\.
Before performing an ARK scan it is recommended to do the following to ensure more accurate results and avoid common issues that may cause false detections.
  • Disconnect from the Internet or physically unplug you Internet cable connection.
  • Clean out your temporary files.
  • Close all open programs, scheduling/updating tasks and background processes that might activate during the scan including the screensaver.
  • Temporarily disable your anti-virus and real-time anti-spyware protection.
  • After starting the scan, do not use the computer until the scan has completed.
  • When finished, re-enable your anti-virus/anti-malware (or reboot) and then you can reconnect to the Internet.
~Blade


In your next reply, please include the following:
sarscan.log

Edited by Blade Zephon, 25 August 2009 - 04:01 PM.

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#6 agy

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Posted 25 August 2009 - 03:56 PM

okay,
thanks Blade! I'll proceed as you suggest.
What indicates the presence of a rootkit?

thanks again for the prompt help, I really appreciate!

#7 agy

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Posted 25 August 2009 - 05:23 PM

ooops... just submitted to the HJT-team in a new posting... with reference to your good work sorry... :thumbsup:

I'll follow your edited instructions and hope that the HJT-team is so busy that we finished this before they notice... :flowers:

#8 Blade

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Posted 25 August 2009 - 05:28 PM

don't worry about it. . . I'm fairly confident you have a rootkit infection. So you'd likely end up there anyway. Now that you've posted your logs it's best not to do anything else.

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#9 agy

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Posted 25 August 2009 - 05:36 PM

Hi Blade,
both links you gave for Sophos I cannot reach... that's probably the smarter part of the infection I have...?
after a few seconds of 'loading' I get a nice window message reading the text:
-------------------------------------------
DNS error - cannot find server

Oops! This link appears to be broken.Suggestions:
Search www.liutilities.com for products campaigns adv majorgeeks
Search on Google:

Google Toolbar Help - Why am I seeing this page?

2009 Google - Google Home
---------------------------------------------

perhaps there's another way of getting to Sophos?
Aggy

#10 Orange Blossom

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Posted 25 August 2009 - 08:49 PM

Hello,

Now that you have posted a log here: http://www.bleepingcomputer.com/forums/t/252428/rootkit-issue-on-apparantly-clean-machine/ you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a HJT Team member, nor should you ask for help elsewhere. Doing so can result in system changes which may not show in the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the HJT Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the HJT Team members are EXTREMELY busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.

Please be patient. It may take several days, perhaps less, to get a response but your log will be reviewed and answered as soon as possible. I advise checking your topic once a day for responses.

To avoid confusion, I am closing this topic. Good luck with your log.

Orange Blossom :thumbsup:
Help us help you. If HelpBot replies, you MUST follow step 1 in its reply so we know you need help.

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