MBROOT-J

Hello.

I noticed few weeks ago problems on this machine :

  • Windows is sometimes crashing at start.
  • The computer is slowed, especially (maybe only ?) in internet navigation.

It was a a machine for games that I recently started to use for everything. That’s why it had not any anti virus yet. (Ok, I should have installed one as soon as I started to navigate on the web with it. My bad)

I installed Avast. It cleaned some viruses.
I installed MBAM that didn’t find anything else.
I tried many updating of programs but the problem is still there.

When I launch the Avast scan at boot it detect that File MBR0 is infected by Win32:MBROOT-J [trj] but it doesn’t offer me any option of cleaning or deleting.

I tried to search on your forums for a guide to remove it but i only found particular answers for particular situations. (At least it was how it appeared to me.)
So I followed the instructions of the topic : “Logs to assist in cleaning malware”

Here are the logs :

MBAM last log : (in french sorry)
Malwarebytes Anti-Malware 1.60.1.1000
www.malwarebytes.org

Version de la base de données: v2012.02.21.05

Windows XP Service Pack 3 x86 NTFS
Internet Explorer 8.0.6001.18702
Propriétaire :: LEBRUN-338BDB73 [administrateur]

23/02/2012 18:21:58
mbam-log-2012-02-23 (18-21-58).txt

Type d’examen: Examen complet
Options d’examen activées: Mémoire | Démarrage | Registre | Système de fichiers | Heuristique/Extra | Heuristique/Shuriken | PUP | PUM
Options d’examen désactivées: P2P
Elément(s) analysé(s): 280423
Temps écoulé: 57 minute(s), 16 seconde(s)

Processus mémoire détecté(s): 0
(Aucun élément nuisible détecté)

Module(s) mémoire détecté(s): 0
(Aucun élément nuisible détecté)

Clé(s) du Registre détectée(s): 0
(Aucun élément nuisible détecté)

Valeur(s) du Registre détectée(s): 0
(Aucun élément nuisible détecté)

Elément(s) de données du Registre détecté(s): 0
(Aucun élément nuisible détecté)

Dossier(s) détecté(s): 0
(Aucun élément nuisible détecté)

Fichier(s) détecté(s): 0
(Aucun élément nuisible détecté)

(fin)

OTL logs : Attached

aswMBR log :

aswMBR version 0.9.9.1649 Copyright(c) 2011 AVAST Software
Run date: 2012-02-27 18:35:59

18:35:59.328 OS Version: Windows 5.1.2600 Service Pack 3
18:35:59.328 Number of processors: 2 586 0x602
18:35:59.328 ComputerName: LEBRUN-338BDB73 UserName: Propriétaire
18:35:59.890 Initialize success
18:36:00.046 AVAST engine defs: 12022700
18:36:03.140 Disk 0 (boot) \Device\Harddisk0\DR0 → \Device\Ide\IdeDeviceP0T0L0-3
18:36:03.140 Disk 0 Vendor: ST3160815AS 4.AAB Size: 152627MB BusType: 3
18:36:03.140 Device owAZEVAoRGRCZ → DriverStartIo RGRCZ@J@ b7f37864
18:36:03.156 Disk 0 MBR read successfully
18:36:03.156 Disk 0 MBR scan
18:36:03.156 Disk 0 Windows XP default MBR code
18:36:03.171 Disk 0 Partition 1 80 (A) 07 HPFS/NTFS NTFS 45002 MB offset 63
18:36:03.187 Disk 0 Partition 2 00 07 HPFS/NTFS NTFS 107622 MB offset 92164905
18:36:03.187 Disk 0 scanning sectors +312576705
18:36:03.265 Disk 0 scanning C:\WINDOWS\system32\drivers
18:36:09.734 Service scanning
18:36:11.718 Service FXDRV D:\Fxdrv.sys LOCKED 21
18:36:17.281 Modules scanning
18:36:20.328 Disk 0 trace - called modules:
18:36:20.343 ntkrnlpa.exe CLASSPNP.SYS disk.sys ACPI.sys hal.dll >>UNKNOWN [0x89de1000]<<
18:36:20.359 1 nt!IofCallDriver → \Device\Harddisk0\DR0[0x89decab8]
18:36:20.359 3 CLASSPNP.SYS[b80e8fd7] → nt!IofCallDriver → \Device\00000062[0x89de2258]
18:36:20.359 5 ACPI.sys[b7f7e620] → nt!IofCallDriver → \Device\Ide\IdeDeviceP0T0L0-3[0x89ddad98]
18:36:20.687 AVAST engine scan C:\WINDOWS
18:36:24.593 AVAST engine scan C:\WINDOWS\system32
18:37:46.250 AVAST engine scan C:\WINDOWS\system32\drivers
18:37:54.953 AVAST engine scan C:\Documents and Settings\Propriétaire
18:41:16.843 AVAST engine scan C:\Documents and Settings\All Users
18:42:07.953 Scan finished successfully
18:43:18.187 Disk 0 MBR has been saved successfully to “C:\Documents and Settings\Propriétaire\Bureau\aswMBR\MBR.dat”
18:43:18.187 The log file has been saved successfully to “C:\Documents and Settings\Propriétaire\Bureau\aswMBR\aswMBR.txt”

Thank you very much in advance for your help.

Looks like it may be a TDL3 variant

Download and Install Combofix

Download ComboFix from one of the following locations:
Link 1
Link 2

VERY IMPORTANT !!! Save ComboFix.exe to your Desktop

  • IMPORTANT - Disable your AntiVirus and AntiSpyware applications, usually via a right click on the System Tray icon. They may otherwise interfere with our tools. If you have difficulty properly disabling your protective programs, refer to this link here

[*]Double click on ComboFix.exe & follow the prompts.
[]Accept the disclaimer and allow to update if it asks
[
]Allow the installation of the recovery console

http://img.photobucket.com/albums/v706/ried7/NSIS_disclaimer_ENG.png

http://img.photobucket.com/albums/v706/ried7/NSIS_extraction.png

[*]When finished, it shall produce a log for you.
[*]Please include the C:\ComboFix.txt in your next reply.

Notes:

  1. Do not mouse-click Combofix’s window while it is running. That may cause it to stall.
  2. Do not “re-run” Combofix. If you have a problem, reply back for further instructions.
  3. If after the reboot you get errors about programmes being marked for deletion then reboot, that will cure it.

Please make sure you include the combo fix log in your next reply as well as describe how your computer is running now

I am answering with another computer.

I followed the instructions, the program has run, but it is stuck at the page that says windows is starting for over 20 minutes now.
Should I reboot ?

Yes reboot - but be prepared to go for a system restore if necessary. There is a new kid on the block now and at the moment I have insufficient data about it, although this may not be one

I forgot to thank you for your help in my first answer.
Thank you much.

Now, I am back on the sick computer.

It started very slowly after the reboot. And combofix finished its run.
I attached the log.

Now I tested navigating on firefox and the problem is still here. Very long delay to show a page (especially an image search) and the program is frozen while attempting to show the page.

That revealed some more, it should go faster this time

  1. Close any open browsers.
  2. Close/disable all anti virus and anti malware programs so they do not interfere with the running of ComboFix.
  3. Open notepad and copy/paste the text in the quotebox below into it:
File:: c:\windows\system32\drivers\xpsec.sys c:\windows\system32\drivers\6xyjg_pu.sys

Driver::
xpsec
6xyjg_pu.sys
WS2IFSL

Save this as CFScript.txt, in the same location as ComboFix.exe

http://img.photobucket.com/albums/v666/sUBs/CFScriptB-4.gif

Refering to the picture above, drag CFScript into ComboFix.exeWhen finished, it shall produce a log for you at C:\ComboFix.txt which I will require in your next reply.

It worked faster indeed. And without problem this time.

Still, by testing firefox, it seems to me that the problem is not solved… but at least maybe I am free from this malware ? I guess I have more tests to do.

The new Combofix log is attached.

It is also possible I won’t answer until tomorrow now. Many thanks still.

I made a new Avast check at start and it still says that File MBR0 is infected by Win32:MBROOT-J [trj]
And the navigation is still slow and buggy.

Do you get the redirects in IE, Firefox or both

Download the latest version of TDSSKiller from here and save it to your Desktop.

[*]Doubleclick on TDSSKiller.exe to run the application, then click on Change parameters.

http://i466.photobucket.com/albums/rr21/JSntgRvr/tdss_1.jpg

[*]Check the boxes beside Verify Driver Digital Signature and Detect TDLFS file system, then click OK.

http://i466.photobucket.com/albums/rr21/JSntgRvr/tdss_2.jpg

[*]Click the Start Scan button.

http://i466.photobucket.com/albums/rr21/JSntgRvr/tdss_3.jpg

[*]If a suspicious object is detected, the default action will be Skip, click on Continue.

http://i466.photobucket.com/albums/rr21/JSntgRvr/tdss_4.jpg

[*]If malicious objects are found, they will show in the Scan results and offer three (3) options.
[*]Ensure Cure is selected, then click Continue => Reboot now to finish the cleaning process.

http://i466.photobucket.com/albums/rr21/JSntgRvr/tdss_5.jpg

[*]Note: If Cure is not available, please choose Skip instead, do not choose Delete unless instructed.

A report will be created in your root directory, (usually C:\ folder) in the form of “TDSSKiller.[Version][Date][Time]_log.txt”. Please copy and paste its contents on your next reply.

I get no redirect.
But navigating with Firefox or IE has become very slow. Especially when there is a lot of piture to show. And while it loads, the program is half frozen : I cannot work on another page. And it s not coming for my connection : it works ok on my other computers : I have one of 2002 that is at the moment much faster on internet than the “sick” one. Also the fashplayer plugin is crashing all the time on youtube. Though I checked windows, firefox, IE my graphic cards and all the plugins are correctly updated.

But it might be old story. Because I made some little test after the TDSSKiller action and it seems to me the problem is fixed.

I had to attach the log : Too long to copy here.

Yep that cured the MBR

Could you take it for a test drive now and let me know of any problems

I ll test the computer over one day, and I ll send you an answer tomorrow.

Still it seems to me it’s ok now.
At the moment the navigation is very good. I can move from tab to tab of the brower easily while the pages are loading.
Also it seems to me the computer started faster.

Should I do again all the test of the “Logs to assist in cleaning malware” ?

Also in the final report of TDSSKiller there was a suspicious object i skipped as instructed. I guess it s in the log. Is it harmless ?

That was open dock and is not a problem

No need for further logs if it performs well

It seems that all problems are solved.
No more crash at start.
No more problem on navigation.
No more flash player plugin crash.

Many thanks for your help !!

Just one thing though. When I tried an Avast scan, it spotted the virus in the TDSSKiller quarantine.
So I closed Avast without doing any action on it because I don’t know if it is wise to quarantine with Avast what is quarantined by TDSSKiller.

Any suggestion about this ?

Yep lets remove the quarantine folders ;D

Subject to no further problems :slight_smile:

I will remove my tools now and give some recommendations, but, I would like you to run for 24 hours or so and come back if you have any problems

Now the best part of the day ----- Your log now appears clean :thumbsup:

A good workman always cleans up after himself so…The following will implement some cleanup procedures as well as reset System Restore points:

Run OTL
[*]Under the Custom Scans/Fixes box at the bottom, paste in the following

:Commands [resethosts] [emptytemp] [CLEARALLRESTOREPOINTS] [Reboot]

[*]Then click the Run Fix button at the top
[*]Let the program run unhindered, reboot the PC when it is done

Remove ComboFix
[*]Hold down the Windows key + R on your keyboard. This will display the Run dialogue box
[*]In the Run box, type in ComboFix /Uninstall
(Notice the space between the “x” and “/”)
then click OK

http://i1224.photobucket.com/albums/ee362/Essexboy3/Misc%20screen%20shots/CF_Uninstall-1.jpg

[]Follow the prompts on the screen
[
]A message should appear confirming that ComboFix was uninstalled

Run OTL and hit the cleanup button. It will remove all the programmes we have used plus itself.

We will now confirm that your hidden files are set to that, as some of the tools I use will change that
[*]Click Start.
[*]Open My Computer.
[*]Select the Tools menu and click Folder Options.
[*]Select the View Tab.
[*]Under the Hidden files and folders heading select Do not show hidden files and folders.
[]Click Yes to confirm.
[
]Click OK.

http://users.telenet.be/bluepatchy/miekiemoes/images/javaicon.gif
Your Java is out of date.
Older versions have vulnerabilities that malware can use to infect your system.
Please follow these steps to remove older version of Java components and upgrade the application.

Upgrading Java:
[] Go to this site and click Do I have Java
[
] It will check your current version and then offer to update to the latest version

Now that you are clean, to help protect your computer in the future I recommend that you get the following free programmes:

http://img233.imageshack.us/img233/7729/mbamicontw5.gif
Malwarebytes.

Update and run weekly to keep your system clean

Download and install FileHippo update checker and run it monthly it will show you which programmes on your system need updating and give a download link

It is critical to have both a firewall and anti virus to protect your system and to keep them updated. To keep your operating system up to date visit
[*]Microsoft Windows Update

To learn more about how to protect yourself while on the internet read our little guide How did I get infected in the first place ?Keep safe :wave:

I followed the instructions though I encountered little problems.
I had to disable Avast to be Able to run OTL or uninstall Combofix. (But I guess you considered I knew I had to do this from previous experiences)

When you say “lets remove the quarantine folders” do you mean I should manually erase them ?
Because after using the OTL cleaning button, TDSSKiller has disappeared from the desktop but the TDSSKiller quarantine folder is still on the hard-drive.

My hidden files were yet set to hidden.

It looks like I had 2 versions of Java at the same time so I uninstalled the old one.

I installed Filehippo but I guess I have to be careful with it ?
Because it says that Java 1.7 update is ready (not as beta) but on the Java site it’s written that my Java 1.6.31 is the latest one and that Java 7 is still under testing.

The TDSSKiller folders should have been removed - but mayhap the location/name has changed. So you can manually delete that folder

I would wait for the stable version of Java ;D

The TDSSKiller quarantine folder was just in C:
I manually deleted and emptied the trash folder.

Thank you very much for your help.
Everything is fixed now I guess.

Yep that was the last bit - next time I talk to OT I will ask about the TDSS quarantine