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Internet Security 2010 infection AFTER clean install


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#1 kratasek

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Posted 28 January 2010 - 10:51 PM

I'm turning to the pros for help..

Dear friend of mine asked me to help remove an Internet Security 2010 infection from his laptop..

Win XP Home OEM, latest updates

I backed all his docs, pics etc. to a network drive and did a clean install from OEM CD.
As soon as I connected to Internet the Internet Security 2010 took over the laptop again.

Have you ever come across situation like this? Is it a MBR / boot sector infection?
What is the best way to get rid of it? Low level format?

Thanks guys..

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#2 kratasek

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Posted 29 January 2010 - 11:08 AM

nobody up to the challenge?

#3 Assimilator

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Posted 29 January 2010 - 11:15 AM

If all the documents are backed up FORMAT the drive first.

It looks like you're doing an intstall that saves all the files and the nasty bugger is hiding in there somewhere.

I was lucky....Malwarebytes found the problem and removed it and I've been clean since so I'm not sure if there are various strengths of this malware ???

Do you have any idea how you were infected?

#4 kratasek

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Posted 29 January 2010 - 02:06 PM

i did full format before the install, actually i let the win installer do it..

I don't know how exactly the laptop got infected, he says he receives a lot of email attachments from different people
and this happened after opening one of them..

I was so sure that formatting the drive and doing clean install will get rid of it that right now I'm in shock.. Never seen virus come back
right after brand new windows installation.

Hey Assimilator I appreciatte your time man!

#5 boopme

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Posted 29 January 2010 - 03:00 PM

If you open an uscanned attachment that is infected it will happen each time.. it will reinfect.
If you reinstalled a backed up infected file this will also reinfect the machine.

Next run MBAM (MalwareBytes):

NOTE: Before saving MBAM please rename it to zztoy.exe....now save it to your desktop.

Please download Malwarebytes Anti-Malware and save it to your desktop.

alternate download link

MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • 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 definition 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. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.
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#6 kratasek

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Posted 29 January 2010 - 07:56 PM

MBAM installs ok but it does not run. Nothing happens when I try to run it. No messages, nothing..

Thanks for the attention boopme..

If you open an uscanned attachment that is infected it will happen each time.. it will reinfect.
If you reinstalled a backed up infected file this will also reinfect the machine.


I did not copy anything back to the computer yet, email is not even setup yet. This happened right after clean install..

#7 boopme

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Posted 29 January 2010 - 10:35 PM

Ok we may have an MBR rootkit that did not get formatted out.
Did you use the XP disk and then it's format process?
There is another way if your into doing it again.

We can also look for the MBR

Please download mbr.exe and save it to the root directory, usually C:\ <- (Important!).
  • Go to Start > Run and type: cmd.exe
  • press Ok.
  • At the command prompt type: c:\mbr.exe >>"C:\mbr.log"
  • press Enter.
  • The process is automatic...a black DOS window will open and quickly disappear. This is normal.
  • A log file named mbr.log will be created and saved to the root of the system drive (usually C:\).
  • Copy and paste the results of the mbr.log in your next reply.
If you have a problem using the command prompt, you can just double-click on mbr.exe to run the tool.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook

#8 kratasek

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Posted 30 January 2010 - 09:23 AM

Here is the mbr.exe log:
---------------------------------------------------------------------------------------------------
Stealth MBR rootkit/Mebroot/Sinowal detector 0.3.7 by Gmer, http://www.gmer.net

device: opened successfully
user: MBR read successfully
kernel: MBR read successfully
user & kernel MBR OK
----------------------------------------------------------------------------------------------------

I used the original XP Home OEM disc and it's format tool to do the install.
I have no problem doing it again, let me know what to do..

Thanks for helping..

#9 boopme

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Posted 30 January 2010 - 10:15 AM

Hi, I feel it's best to do it once more using a better wipe tool.

The best proceedure is a low level format. This completely wipes the drive. Then reinstall the OS.
Use the free version of Active@ KillDisk.
Or Darik's Boot And Nuke

The best sources of Information on this are
Reformatting Windows XP
Michael Stevens Tech

Of course also feel free to ask anything on this in the XP forum. They'd be glad to help.

==============================

2 guidelines/rules when backing up

1) Backup all your important data files, pictures, music, work etc... and save it onto an external hard-drive. These files usually include .doc, .txt, .mp3, .jpg etc...
2) Do not backup any executables files or any window files. These include .exe/.scr/.htm/.html/.xml/.zip/.rar files as they may contain traces of malware. Also, .html or .htm files that are webpages should also be avoided.

Download Belarc Advisor - builds a detailed profile of your installed software and hardware, including Microsoft Hotfixes, and displays the results in your Web browser.
Run it and then print out the results, they may be handy.

Since we don't know exactly which infections we're dealing with here, we should take some precautions before we attempt to move files from the infected machine. Run the following on your clean computer, and make sure you insert your flash drives at the prompt.
Download and Run FlashDisinfector

Please download Flash_Disinfector.exe by sUBs and save it to your desktop.
  • Double-click Flash_Disinfector.exe to run it and follow any prompts that may appear.
  • The utility may ask you to insert your flash drive and/or other removable drives. Please do so and allow the utility to clean up those drives as well.
  • Hold down the Shift key when inserting the drive until Windows detects it to keep autorun.inf from executing if it is present.
  • Wait until it has finished scanning and then exit the program.
  • Reboot your computer when done.
Note: As part of its routine, Flash_Disinfector will create a hidden folder named autorun.inf in each partition and every USB drive that was plugged in when you ran it. Do not delete this folder...it will help protect your drives from future infection by keeping the autorun file from being installed on the root drive and running other malicious files.

If the data is that important to you, then you can try to salvage some of it but there is no guarantee so be forewarned that you may have to start over again afterwards if reinfected by attempting to recover your data. Only back up your important documents, personal data files, photos to a CD or DVD drive, not a flash drive or external hard drive as they may become compromised in the process. The safest practice is not to backup any executable files (*.exe), screensavers (*.scr), autorun (.ini) or script files (.php, .asp, and .html) files because they may be infected by malware. Avoid backing up compressed files (.zip, .cab, .rar) that have executable files inside them as some types of malware can penetrate and infect .exe files within compressed files too. Other types of malware may even disguise itself by adding and hiding its extension to the existing extension of file(s) so be sure you look closely at the full file name. After reformatting, scan the backed up data with your anti-virus prior to to copying it back to your hard drive.
How do I get help? Who is helping me?For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....Become a BleepingComputer fan: Facebook




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