Possible IM introduced infection.

I am loking at a friends laptop after his wife accepted some "photos" from a friend in Windows Live Messenger.

Initially I could not get any AV or Anti Spyware programs to run on the machine. Even Ccleaner was immediately closed by what ever nasty was lurking. When trying to boot into safe mode, the machine would blue screen suggesting that there may be a virus.

I eventually got to run AVG and Malwarebytes on the disk by removing it from the laptop and plugging it into another machine via a caddy. This removed some Backdoor and Dropper enries.

The disk was then put back into the laptop and would run MWB and AVG fine, although MWB still picked up on a Backdoor entry related to ndisio.sys in the System32 directory. Unfortunately it didn't seem to shift it.

I've now followed all the actions in the process here and will post the logs. SAS did clear out some additional infections, but I am not convinced that the machine is 100% clean as MSN will burst into life every now and again even though I have changed the setting to NOT sign in automatically and signed back out of the service again. This seems to happen when scanning, almost as if the scan triggers a file or something to open MSN.

Anyway, here are the logfiles. Any help appreciated.

 

I have included 2 x MWB logs. One is the current "clean" one, the oher shows the entry which MWB could not shift last night.

I can also confirm that the machine will now start in Safe Mode without blue screening.

 

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Pre-Instructions:

1. First, please disable any antivirus and/or antispy programs you have installed so they will not block this fix.
   
2. Print out these instructions or save them to a text file so that you can operate with All Browser Windows CLOSED.

Step 1:

Run C:\MGtools\analyse.exe by double clicking on it (Note: if using Vista, don't double click, use right click and select Run As Administrator). This is really HijackThis (select Do a system scan only) and select the following lines but DO NOT CLICK FIX until you exit all browser sessions including the one you are reading in right now:

Again, make sure ALL browser windows are closed when you click FIX.​

Step 2:

Now we need to use ComboFix to remove a bunch of malware files.

• Make sure that combofix.exe that you downloaded while doing the READ & RUN ME is on your Desktop but Do not run it!
  • If it is not on your Desktop, the below will not work.
• Open Notepad and copy/paste the text in the below quote box into it:

• Save the above as CFscript.txt and make sure you save it to the same location (should be on your Desktop) as ComboFix.exe
• At this point, you MUST EXIT ALL BROWSERS NOW before continuing!
• You should have both the ComboFix.exe and CFScript.txt icons on your Desktop.
• Now use your mouse to drag CFscript.txt on top of ComboFix.exe
• Follow the prompts.
• When it finishes, a log will be produced named c:\combofix.txt
• I will ask for this log below

Note:

Do not mouseclick combofix's window while it is running. That may cause it to stall.​

Step 3:

Default Security Settings

To Default Security Settings:
For Internet Explorer 6 users:
Click Start > Run > type inetcpl.cpl and press ENTER, when Internet Properties comes up navigate to the Security Tab and click Default Level for the following:

• Internet
• Local Intranet
• Trusted Sites
• Restricted Sites.

Click OK to exit.

For Internet Explorer 7 users:
Click Start > Run > type inetcpl.cpl and press ENTER, when Internet Properties comes up, navigate to the Security Tab and simply click the "Reset all zones to default level" button. Click OK to exit.

NOTE: If it's "grey" then it's already at the default level.​

Step 4:

Please download ATF-Cleaner by Atribune. This program does not require an installation. The executable actually runs the program.

NOTE: This program is for Windows XP and Windows 2000 only. ATF Cleaner will remove all files from the items that are checked so if you have some cookies you'd like to save. Please move them to a different directory first.

• Double-click ATF-Cleaner.exe to run the program.
• Under Main 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.
  • NOTE: 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.
  • NOTE: If you would like to keep your saved passwords, please click No at the prompt.

Click Exit on the Main ATF-Cleaner menu to close the program.​

Step 5:

Finally, run the C:\MGtools\GetLogs.bat file by double clicking on it (Note: if using Vista, don't double click, use right click and select Run As Administrator).

Then attach the below logs:

• C:\ComboFix.txt
• C:\MGlogs.zip

​

Let me know of any problems you may have encountered with the above instructions and also let me know how things are running now.

 

Thanks for the prompt reply.

OK, logfiles attached.
The only bit I had problems with was step 3. Trying to run inetcpl.cpl from the start/run option did nothing at all. So disconnected from the internet and with all AV still disabled I (right or wrong, I don't know) opened IE6 and tried to access the settings through tools / internet options. But it gave me the error "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator."
The account I am using is the administrator account, so not sure if that's a sign of something else lurking?

Hopefully the new logs will give you an idea.

Again, thanks for the help so far.

 

Your logs are clean! If you are not having any other malware problems, it is time to do our final steps:

1. We recommend you keep SUPERAntiSpyware & Malwarebytes Anti-Malware for scanning/removal of malware. Unless you purchase them, they provide no protection. They do not use any significant amount of resources (except a little disk space) until you run a scan.
2. If we had you use ComboFix, uninstall ComboFix (This uninstall will only work as written if you installed ComboFix on your Desktop like we requested.)
   • Click START then RUN and enter the below into the run box and then click OK. Note the quotes are required
   • "%userprofile%\Desktop\combofix" /u
     • Notes: The space between the combofix" and the /u, it must be there.
     • This will uninstall ComboFix and also reset hidden files and folders settings back to Windows defaults.
   • Delete the C:\combofix folder from combofix (if it exists)
3. If we had you run Avenger, you can delete all files related to Avenger now.
4. Any other miscellaneous tools we may have had you install or download can be uninstalled and deleted.
5. If we had you download any registry patches like fixme.reg or fixWLK.reg (or any others), you can delete these files now.
6. If running Vista, it is time to make sure you have re-enabled UAC by double clicking on the C:\MGtools\enableUAC.reg file and allowing it to be added to the registry.
7. Go to Add/Remove Programs and uninstall HijackThis.
8. You can delete the C:\MGtools folder and the C:\MGtools.exe file. You can also delete the C:\MGlogs.zip
9. If you are running Windows Vista, Windows XP or Windows ME, you need to follow the below:
   • Refer to the cleaning steps in the READ ME for your Windows version and see the steps to Disable System Restore which will flush your Restore Points.
   • Then reboot and Enable System Restore to create a new clean Restore Point.
10. After doing the above, you should work thru the below link:
    • How to Protect yourself from malware!