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TDSS malware


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9 replies to this topic

#1 ncddcn

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Posted 04 August 2009 - 07:43 AM

Please help.

I have user Search & Destroy, which has identified but just hangs when trying to remove the TDSS malware.

S&D identifieds - War3z, Win32.TDSS.reg, Win32.TDSS.rtk

I have used MalwareBytes anti-malware as well as S&D. These have helped get the machine in position where I can actually run AVG, S&D.

SDfix will not deep scan as it says needs administrator rights. However it gives this message in the log after running on both the Administrator account and with an account with Administrator rights. All run in Safe mode.

Win XP Home Edition

Thanks.

ncddcn

Edited by ncddcn, 04 August 2009 - 08:31 AM.


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#2 boopme

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Posted 04 August 2009 - 09:11 AM

Hello and welcome. I am moving this from XP to the Am I Infected forum for scans.

Please post the last MBAM log.
The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.

Next run ATF and SAS:

Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

From your regular user account..
Download Attribune's ATF Cleaner and then SUPERAntiSpyware , Free Home Version. Save both to desktop ..
DO NOT run yet.
Open SUPER from icon and install and Update it
Under Scanner Options make sure the following are checked (leave all others unchecked):
Close browsers before scanning.
Scan for tracking cookies.
Terminate memory threats before quarantining
.
Click the "Close" button to leave the control center screen and exit the program. DO NOT run yet.

Now reboot into Safe Mode: How to enter safe mode(XP)
Using the F8 Method
Restart your computer.
When the machine first starts again it will generally list some equipment that is installed in your machine, amount of memory, hard drives installed etc. At this point you should gently tap the F8 key repeatedly until you are presented with a Windows XP Advanced Options menu.
Select the option for Safe Mode using the arrow keys.
Then press enter on your keyboard to boot into Safe Mode
.

Double-click ATF-Cleaner.exe to run the program.
Under Main "Select Files to Delete" choose: Select All.
Click the Empty Selected button.

If you use Firefox or Opera browser click that browser at the top and choose: Select All
Click the Empty Selected button.
If you would like to keep your saved passwords, please click No at the prompt.
Click Exit on the Main menu to close the program
.

NOW Scan with SUPER
Open from the desktop icon or the program Files list
On the left, make sure you check C:\Fixed Drive.
Perform a Complete scan. After scan,Verify they are all checked.
Click OK on the summary screen to quarantine all found items.
If asked if you want to reboot, click "Yes" and reboot normally.

To retrieve the removal information after reboot, launch SUPERAntispyware again.
Click Preferences, then click the Statistics/Logs tab.
Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
If there are several logs, click the current dated log and press View log.
A text file will open in your default text editor.
Please copy and paste the Scan Log results in your next reply.
Click Close to exit the program.
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#3 j0nny.smith

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Posted 05 August 2009 - 04:17 AM

My advice if you didn t make an online scan try it a quick scan at bitdefender see what it picks up .
When i had problems i did this and i resolved the problem .
Post what is finds if the problems remains to see what can be done next.
tally ho mate

#4 quietman7

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Posted 05 August 2009 - 10:34 AM

Please follow boopme's instructions and post the logs he requested.
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#5 ncddcn

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Posted 06 August 2009 - 06:40 AM

Hi, sorry for delay in replying. I have not had access to the problem computer for a couple of days.

Please note that I did run Combofix whilst waiting for reply and it seems to have got rid of the TDSS malware. I have therefore posted this log after the MBAM (run after Combofix) log.

MBAM log follows:
Malwarebytes' Anti-Malware 1.39
Database version: 2421
Windows 5.1.2600 Service Pack 3

04/08/2009 11:03:39
mbam-log-2009-08-04 (11-03-39).txt

Scan type: Full Scan (C:\|)
Objects scanned: 145752
Time elapsed: 1 hour(s), 12 minute(s), 6 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\gxvxccounter (Trojan.DNSChanger) -> Quarantined and deleted successfully.

Edited by quietman7, 06 August 2009 - 07:01 AM.


#6 quietman7

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Posted 06 August 2009 - 07:02 AM

Please note the message text in blue at the top of this forum.

You should not be using Combofix unless instructed to do so by a Malware Removal Expert who can interpret the logs. It is a powerful tool intended by its creator to be "used under the guidance and supervision of an expert", NOT for private use. Combofix was never meant to be used as a general purpose malware scanner like SuperAntispyware or Malwarebytes' Anti-Malware. Using this tool incorrectly could lead to disastrous problems with your operating system such as preventing it from ever starting again. Please read Combofix's Disclaimer. That's the decision by the creator and we will abide by that decision.

You were fortunate in this instance that no unforeseen consequences occurred.

ComboFix logs are not permitted outside the HijackThis Logs and Malware Removal forum and then only when requested by a HJT Team member so I have removed it from your post.

Your Malwarebytes Anti-Malware log indicates you are using an older version of MBAM (v1.39) with with an outdated database. Please download and install the most current version (1.40) from here.
You may have to reboot after updating in order to overwrite any "in use" protection module files.

Your database shows 2421. Last I checked it was 2568.

Update the database through the program's interface (preferable method) or manually download the definition updates and just double-click on mbam-rules.exe to install.Then perform a new Quick Scan in normal mode and check all items found for removal. Don't forgot to reboot afterwards. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. When done, click the Logs tab and copy/paste the contents of the new report in your next reply.
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#7 ncddcn

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Posted 06 August 2009 - 02:13 PM

Please accept my apologies for mis-use of Combofix.

Updated MBAM log follows. Please note older version previously used as I had no Internet connection, which I now have. Also this run picked up hijack of IE homepage and removed it, but did not show War3z trojan which is being picked up by Spybot-Searh & Destroy. However S&D fails to remove War3z trojan.

Malwarebytes' Anti-Malware 1.40
Database version: 2571
Windows 5.1.2600 Service Pack 3

06/08/2009 20:10:45
mbam-log-2009-08-06 (20-10-45).txt

Scan type: Quick Scan
Objects scanned: 98969
Time elapsed: 8 minute(s), 29 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 1
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Internet Explorer\Control Panel\Homepage (Hijack.Homepage) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)

Thanks again for your help

Edited by ncddcn, 06 August 2009 - 02:14 PM.


#8 quietman7

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Posted 06 August 2009 - 03:42 PM

Did Spybot provide a specific file name associated with this malware threat(s) and if so, where is it located (full file path) at on your system?

mvps.org is no longer recommending Spybot S&D or Ad-Aware due to poor testing results. See here - (scroll down and read under Freeware Antispyware Products).

Further, most people don't understand Spybot's TeaTimer or how to use it and that feature can cause more problems than it's worth. TeaTimer monitors changes to certain critical keys in Windows registry but does not indicate if the change is normal or a modification made by a malware infection. The user must have an understanding of the registry and how TeaTimer works in order to make informed decisions to allow or deny the detected changes. Additionally, TeaTimer may conflict with other security tools which do a much better job of protecting your computer and even prevent disinfection of malware by those tools.

More effective alternatives are Malwarebytes Anti-Malware and SUPERAntiSpyware Free.
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#9 ncddcn

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Posted 09 August 2009 - 10:09 AM

Thank you for your assistance. I agree with you re. Teatimer and tend to use it only very rarely. Interestingly once I had updated Spybot again it identified several trojans/malware associated with War3z but this time it fixed them - but Anti-malware and SuperAntispyware did not pick up the War3z trojan.

I have subsequently run Malwarebytes Anti-malware and SuperAntispyware and they have shown no further threaks.

A further updated AVG full scan picked up drivers for the TDSS problem and got rid of those. So all appears ok now.

Many thanks for your help. Much appreciated.

Edited by ncddcn, 09 August 2009 - 10:11 AM.


#10 quietman7

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Posted 09 August 2009 - 03:12 PM

You're welcome.

If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been backed up, renamed and saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Start > Run and type: Cleanmgr
  • Click "Ok". Disk Cleanup will scan your files for several minutes, then open.
  • Click the "More Options" tab, then click the "Clean up" button under System Restore.
  • Click Ok. You will be prompted with "Are you sure you want to delete all but the most recent restore point?"
  • Click Yes, then click Ok.
  • Click Yes again when prompted with "Are you sure you want to perform these actions?"
  • Disk Cleanup will remove the files and close automatically.
Vista users can refer to these links: Create a New Restore Point in Vista and Disk Cleanup in Vista.
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