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Introduction & Request for Help

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#1 geotechnical


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Posted 22 June 2010 - 06:30 PM

Hello everyone. I'm a civil engineer specializing in bridge foundation design and testing. I'm not a total computer illiterate - but after about Windows 3.1 it all became way too much for me to really keep up with.

So anyway, I've got this problem with my machine, some kind of malware - I guess really a trojan. It first started showing up a few days ago as a notification from Norton that there had been "an intrusion attempt by 873hgf7xx.com was blocked." It also says that no action is required and gives me an option to disable further notifications of this type, but 1) Norton doesn't usually throw up notifications like this and 2) I note that the attack is coming from the svchost.exe file in the system32 directory.

Like I said, I really don't know much about computers these days, but it seems to me that any intrusion attack that looks like it comes from within your own machine and wants to go outside is something that needs attention.

At about the same time this problem came up I started getting some ad that was trying to get me to sign up for something called antimalware. I closed it with alt-F4 but it kept coming back and I realized that it was somehow in my machine. I found this directory "C:\Documents and Settings\John\Application Data\DEC2EC89102A4ACF5286E49260D247AB\setupupdater0000.exe" - and I can't remember how I associated it with the antilmalware thing but anyway I deleted it and the popup stopped.

But the intrusion attempts continued. Sometimes from svchost.exe and sometimes from firefox.exe, and originating from four or five different filenames which reference ip's like, 443 and, 443 . I tried to find out where those are and they look like they're in eastern europe somewhere, I think.

I couldn't find any of the file names and this seemed serious enough that I took it to a tech here in town, but they don't seem to be able to take care of it. I contacted Norton and they were very little help, although they will work on it for $100 or so.

So I googled a little and found this and some other forums. Somewhere I ran across the idea of downloading TDSSKilller, and I ran that and it seems to have done something with mouclass.sys . I don't think it worked though, because Norton history shows that there was an attempt to remove a virus associate with that file and it failed. It also apparently recognizes mousclass.sys as a file that needs to be manually removed. There are some other suspicious files that Norton noted at one point in the history, but I can't retrieve them now.

In addtion, Norton itself is now behaving strangely. The SONAR system shows that it needs to be fixed but clicking the fix button doesn't work. At one point Norton offered another file for download that apparently was supposed to fix this. I ran it, and rebooted the machine as it requested, but after a few minutes the Norton icon showed a red cross on it that is the signal that something not so good is going on, and when I opened up the panel it showed the system is "at risk." and offered the fix which doesn't work again. At one point I noticed when I was opening the panel the SONAR - which is the portion that needs the fix - was turned off. I didn't turn it off, and I turned it back on. It turned itself off a few more times although now it seems to have stopped doing that.

I also ran Hitman 3.5 but it didn't detect anything. I'm at a loss as to what to do now, and I thought I'd try to get some help here before shelling out more money to Norton.

If this can be fixed with a minimum of pain then obviously that's what I'd like to do. If not, the computer tech I've already paid $75 to says they'll reformat the disk and reinstall windows for another $30. I'd just as soon do that, but I'm not sure that will take care of things anyway. Seems I remember something about viruses that hide on the boot sector of the disk - so that would let it reinfect I guess?

The main thing that concerns me is the security of this computer. I use it for banking and secure email and I can't afford to have either compromised. In it's present state is that a concern, as long as Norton is 'working', at least as well as it seems to be able to.

And on another note - Norton really doesn't impress me much. I used to use Kapersky, which was a lot more complicated but seemed more thorough. Any recommendaitons for an internet virus/security suite? Thanks much in advance. I can't figure out how to attach a file right now, so I haven't attached the log from TDDSSKiller, but I have it if that will help.

Edited by Budapest, 22 June 2010 - 06:48 PM.
Moved from Introductions ~BP

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#2 boopme


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Posted 22 June 2010 - 08:47 PM

Hello and welcome. Determining what is / was on here is cruciial to determining where we go in cleaning.

A log file should be created on your C: drive called "TDSSKiller.txt" please copy and paste the contents of that file here.

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

Please download ATF Cleaner by Atribune & save it to your desktop.
  • 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 browser click Firefox 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.
  • If you use Opera browser click Opera 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.

Next run MBAM (MalwareBytes):

Please download Malwarebytes Anti-Malware (v1.46) and save it to your desktop.
Before you save it rename it to say zztoy.exe

alternate download link 1

alternate download link 2
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.
If you cannot find the Killer log then rerun it ,tho it may produce a clean result now.
TDDS Killer
Please read carefully and follow these steps.
  • Download TDSSKiller and save it to your Desktop.
  • Extract its contents to your desktop and make sure TDSSKiller.exe (the contents of the zipped file) is on the Desktop itself, not within a folder on the desktop.
  • Go to Start > Run (Or you can hold down your Windows key and press R) and copy and paste the following into the text field. (make sure you include the quote marks) Then press OK. (If Vista, click on the Vista Orb and copy and paste the following into the Search field. (make sure you include the quotation marks) Then press Ctrl+Shift+Enter.)

    "%userprofile%\Desktop\TDSSKiller.exe" -l C:\TDSSKiller.txt -v

  • If it says "Hidden service detected" DO NOT type anything in. Just press Enter on your keyboard to not do anything to the file.
  • It may ask you to reboot the computer to complete the process. Allow it to do so.
  • When it is done, a log file should be created on your C: drive called "TDSSKiller.txt" please copy and paste the contents of that file here.

I prefer Avast or Avira AV. the MBAM tool you just ran, The Paid version has real time protection and is is compatiible with every AV.
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