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System Defender / Security Tool


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#1 kgm1987

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Posted 23 November 2009 - 11:33 PM

Hello all,

Tonight, my computer was attacked by the System Defender/Security Tool malware (I'm using Windows XP).

Essentially, I'm now getting loads of false alerts for spyware (one time, I did click 'remove all' but stopped when I saw that they wanted me to buy their BS program). Attempting to run Symantec AntiVirus didn't work, as I continued to double-click on the icon with no effect.

After a google search, I downloaded Malwarebytes to get rid of the two programs. It seemed to be working OK, and it had recognized about 15 files in 10 minutes, and then...a blue screen of death. I don't remember exactly what it said, but essentially it said that Windows had to shut down.

When I rebooted my computer, I tried to run the Malwarebytes program again, except now the Security Tool pop-up was telling me that "mbam.exe is a worm which will send out credit card numbers over your network". I tried downloading other antivirus programs, but I get the same message - the spyware is blocking the antivirus from running.

Is my situation hopeless? Should I buy an external hard drive, salvage what files I can and wipe my computer clean?

As I'm sure you can tell, I'm not an expert with computers, but any help you guys could give would be appreciated.

Thanks,
Kevin

(Edit: I should also mention - when I reboot my computer, my wallpaper is gone (replaced by generic blue background) and my desktop icons disappear once the two spyware programs load. Also, every program I try to open - from Excel files to Solitaire - is blocked with the same message as when I try to open an antivirus program.)

Edited by kgm1987, 23 November 2009 - 11:40 PM.


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#2 rigel

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Posted 24 November 2009 - 07:54 AM

Try this procedure wit TFC and RKill before running Malwarebytes. You can try rerunning Malwarebytes, but if it fails, you may have to redownload it. Try renaming the mbam.exe file to xnono.com. and running the program.

:trumpet: Please download TFC by Old Timer and save it to your desktop.
alternate download link
  • Save any unsaved work. TFC will close ALL open programs including your browser!
  • Double-click on TFC.exe to run it. If you are using Vista, right-click on the file and choose Run As Administrator.
  • Click the Start button to begin the cleaning process and let it run uninterrupted to completion.
  • Important! If TFC prompts you to reboot, please do so immediately. If not prompted, manually reboot the machine anyway to ensure a complete clean.
:flowers: RKill by Grinler

Link #1
Link #2
Link #3
Link #4

  • Before we begin, you should disable your anti-malware softwares you have installed so they do not interfere RKill running as some anti-malware softwares detect RKill as malicious. Please refer to this page if you are not sure how.
  • Download Link #1.
  • Save it to your Desktop.
  • Double click the RKill desktop icon.
    If you are using Vista please right click and run as Admin!
  • A black screen will briefly flash indicating a successful run.
  • If this does not occur please delete that application and download Link #2.
  • Continue process until the tool runs.
  • If the tool does not run from any of the links tell me about it.
:thumbsup: Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself.
  • Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • 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 and exit MBAM.
Note:
-- If MBAM encounters a file that is difficult to remove, you may be asked to reboot your computer so it can proceed with the disinfection process. Regardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.

Note 2:
-- MBAM may make changes to your registry as part of its disinfection routine. If you're using other security programs that detect registry changes (like Spybot's Teatimer), they may interfere with the fix or alert you after scanning with MBAM. Please disable such programs until disinfection is complete or permit them to allow the changes. To disable these programs, please view this topic: How To Temporarily Disable Your Anti-virus, Firewall And Anti-malware Programs

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