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Probable Malware Infection


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4 replies to this topic

#1 todvango

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Posted 05 August 2011 - 04:34 PM

I have a computer at work running Windows XP professional, service pack 3. Windows security essentials is my current anti-virus.

About a week ago I observed a program had installed itself that I immediately identified as bogus, it was called XP Security 2012.

I re-launched the machine in safe mode, ran the latest version of rkill, updated Malware Bytes anti-malware and ran it. It found about 11 infections and removed them without incident. I relaunched the machine at it seemed fine. That was a Friday.

On Monday I noticed that the machine was very sluggish. I kept seeing a svchost file taking up a lot of system resources. A condition I have dealt with in the past on several machines. Knowing that it can sometimes be a problem with automatic updates I attempted to temporarily disable them, but I cannot do this because our network policy is to ahve them enabled and all options controlling them are greyed out. I also noticed that both internet explorer and firefox would not use search engines properly and were constantly being redirected. I went back to safe mode, ran Malwarebytes again and zippo. I then tried spybot search and destroy and it found about 9 problems not caught by Malwarebytes and successfully removed them. I then installed lavasofts anti-malware and it reported a clean computer.

After re-booting, the exact same problems recurred within minutes. I stopped the growing svchost file and ran rkill in regular windows and this stabilized things. The browsers worked okay and the computer was fine. But if I reboot I had to repeat this procedure everytime. The anti-malware and antivirus programs continued to say I was clean. I gave up and called our third party IT support staff.

The tech showed up, immediately switched the machine to safemode and ran combofix. I told him I didn't have the guts to run that one on my own as I am just an amateur at this, but he said it was not a big deal and he knew what he was doing. After about an hour he restored some network connections and remote log in capabilities and the machine seemed fine.

The next day, the problems started all over again. After calling them back they told me this is generally where they draw the line and recommend a new computer!!?

Seriously? That's their "brilliant" solution? It made be wonder if he was even using the latest version of Combofix!

So out of desperation, I re-ran combofix myself and again the computer SEEMS fine, but I don't trust it. I know I broke protocol by running it myself, but heck, he had just ran it a dew days ago, and was recommending a new machine, so at this point, what do I have to lose?

I will run the other diagnostic tools if need be, but figured the combofix report may be just as helpful if someone wants to tackle this.

Let me know. Any help at this point would be greatly appreciated. I will hold off on posting any logs until someone directs me to.

I am going home for the weekend and MAY not be able to respond to correspondence until Monday afternoon, but I will see what I can do.

Regards!

Todd

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#2 gringo_pr

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Posted 11 August 2011 - 10:41 PM

Hello and Welcome to the forums!

My name is Gringo and I'll be glad to help you with your computer problems.

Somethings to remember while we are working together.

  • Do not run any other tool untill instructed to do so!
  • Please Do not Attach logs or put in code boxes.
  • Tell me about any problems that have occurred during the fix.
  • Tell me of any other symptoms you may be having as these can help also.
  • Do not run anything while running a fix.

We apologize for the delay in responding to your request for help. Here at Bleeping Computer we get overwhelmed at times, and we are trying our best to keep up. Please note that your topic was not intentionally overlooked. Our mission is to help everyone in need, but sometimes it takes just a little longer to get to every request for help. No one is ignored here.

Click on the Watch Topic Button and select Immediate Notification and click on proceed, this will help you to get notified faster when I have replied and make the cleaning process faster.

In order for me to see the status of the infection I will need a new set of logs to start with.

Please print out or make a copy in notpad of any instructions given, as sometimes it is necessary to go offline and you will lose access to them.

DeFogger:

  • Please download DeFogger to your desktop.

    Double click DeFogger to run the tool.
  • The application window will appear
  • Click the Disable button to disable your CD Emulation drivers
  • Click Yes to continue
  • A 'Finished!' message will appear
  • Click OK
  • DeFogger may ask you to reboot the machine, if it does - click OK
Do not re-enable these drivers until otherwise instructed.

Download DDS:

  • Please download DDS by sUBs from one of the links below and save it to your desktop:

    Posted Image
    Download DDS and save it to your desktop

    Link1
    Link2
    Link3

    Please disable any anti-malware program that will block scripts from running before running DDS.

    • Double-Click on dds.scr and a command window will appear. This is normal.
    • Shortly after two logs will appear:
    • DDS.txt
    • Attach.txt
  • A window will open instructing you save & post the logs
  • Save the logs to a convenient place such as your desktop
  • Copy the contents of both logs & post in your next reply

Scan With RKUnHooker

  • Please Download Rootkit Unhooker Save it to your desktop.
  • Now double-click on RKUnhookerLE.exe to run it.
  • Click the Report tab, then click Scan.
  • Check (Tick) Drivers, Stealth,. Uncheck the rest. then Click OK.
  • Wait till the scanner has finished and then click File, Save Report.
  • Save the report somewhere where you can find it. Click Close.
Copy the entire contents of the report and paste it in a reply here.

Note** you may get this warning it is ok, just ignore

"Rootkit Unhooker has detected a parasite inside itself!
It is recommended to remove parasite, okay?"


"just click on Cancel, then Accept".

information and logs:

  • In your next post I need the following

  • .logs from DDS
  • log from RKUnHooker
  • let me know of any problems you may have had

Gringo

I Close My Topics If You Have Not Replied In 5 Days If You Will Be Longer Please Let Me Know

If I Have Not Replied To One Of My Topics In 48 Hrs Please Bump The Topic



My help is free, however, if you wish to make a small donation to show your appreciation or to help me continue the fight against Malware, then click here -->btn_donate_SM.gif<-- Don't worry every little bit helps.

Proud Graduate Of Malware Removal University

#3 todvango

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Posted 12 August 2011 - 02:50 PM

Thanks for the response. After posting I sort of figured out I was under the wrong thread and reposted under the correct one. I got the help I needed there and we are running good again. I would have deleted this post, but couldn't figure out how to do that. Maybe I didn't look in the right spot.

(For the record, I had multiple issues, but the big culprit was a TDSS rootkit infection.)

Thanks again! You guys are a great resource!

Edited by todvango, 12 August 2011 - 02:52 PM.


#4 gringo_pr

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Posted 12 August 2011 - 02:54 PM

Thanks for letting me know


gringo
I Close My Topics If You Have Not Replied In 5 Days If You Will Be Longer Please Let Me Know

If I Have Not Replied To One Of My Topics In 48 Hrs Please Bump The Topic



My help is free, however, if you wish to make a small donation to show your appreciation or to help me continue the fight against Malware, then click here -->btn_donate_SM.gif<-- Don't worry every little bit helps.

Proud Graduate Of Malware Removal University

#5 gringo_pr

gringo_pr

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Posted 14 August 2011 - 11:31 PM

It appears that this issue is resolved, therefore I am closing the topic. If that is not the case and you need or wish to continue with this topic, please send me or any Moderator a Personal Message (PM) that you would like this topic re-opened.
I Close My Topics If You Have Not Replied In 5 Days If You Will Be Longer Please Let Me Know

If I Have Not Replied To One Of My Topics In 48 Hrs Please Bump The Topic



My help is free, however, if you wish to make a small donation to show your appreciation or to help me continue the fight against Malware, then click here -->btn_donate_SM.gif<-- Don't worry every little bit helps.

Proud Graduate Of Malware Removal University




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