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Something is left after Trojan.Vundo, AV software does not update

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#1 Kelainefes


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Posted 21 November 2009 - 07:12 PM

Hello all, It's my first post here but I do come here to read every now and then when I need it.
But today I can't seem to understand what's happening:

I am trying to fix a client's PC, he brought it to me because his AV expired, it got infected, he bought a copy of Kaspersky AV 2010 hoping a scan would fix everything, but Kaspersky does not install correctly.

Basically what happens is that after the restart the AV tries to start but Windows XP (Home) reports that an error occurred and Kaspersky must be closed; after a while a windows pops up asking me to activate Kaspersky or do it later but I can't type in it because as soon as it pops up an error window pops up over it and whatever I choose the windows gets closed.
Uninstalls are successful.

Intenet access is affected as in I installed Malwarebytes and SAS but I had to manually update them, trying a auto update will stall the applications and they need to be closed ( the progress bar does not move an inch).
BUT, Updates are fine in Safe mode

Trying to go into IE7 Tools>Internet Options>connections will stall the browser too, although doing the same in FF is ok.

So here's what I did:

Updated to SP3 and from IE6 to IE7 (I still was not sure the PC was infected, the guy said another guy he really did not trust too much tried to fix it before me and possibly ruined something; in fact I found Hijackthis on the desktop)
Ran Malwarebytes, it cleaned up Trojan.Vundo and Trojan.Agent (not sure about this second one, working on it late last night :thumbsup:)
SAS found only cookies.
Spybot found nothing
Vundofix found nothing
I also ran Combofix and the only thing I could understand was that at the end of the huge log the GMER based Rootkit Revealer found something malicious on the MBR and that mbr.exe -f was needed to fix it (didn't do it expecially since I did not know if Combofix did perform it on his own.
Panda Anti-Rootkit found nothing
AVG Anti-Rootkit found nothing
Trendmicro Housecall (stand-alone) gets stuck at 95% of the file verification
Installed Eset NOD32 4 free, oddly it did update automatically in normal mode and now running a scan, will update with results.

Anybody has got any idea? Anything that I could try?
Thanks in advance.

P.s.: BTW I have been honest with my client and told him that since he has backups, a format and reinstall would have been quicker safer and cheaper, but he says he can't be bothered reinstalling the applications.

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#2 Kelainefes

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Posted 21 November 2009 - 08:09 PM

OK, ESET NOD32 finished a quick scan with no results and BSOD'd during a full scan, the PC is an old P4 so it "could" be unrelated although I doubt it.

#3 Kelainefes

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Posted 22 November 2009 - 08:25 AM

OK, another update, went into recovery console and did a Fixmbr, seems to have moved things as now AV software can autoupdate and Malwarebytes found a couple of entries of adware.softomate.

#4 garmanma


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Posted 23 November 2009 - 09:20 PM

We Need to check for Rootkits with RootRepeal
  • Download RootRepeal from the following location and save it to your desktop.
  • Extract RootRepeal.exe from the archive (If you did not use the "Direct Download" mirror).
  • Open Posted Image on your desktop.
  • Click the Posted Image tab.
  • Click the Posted Image button.
  • Check all seven boxes: Posted Image
  • Push Ok
  • Check the box for your main system drive (Usually C:), and press Ok.
  • Allow RootRepeal to run a scan of your system. This may take some time.
  • Once the scan completes, push the Posted Image button. Save the log to your desktop, using a distinctive name, such as RootRepeal.txt. Include this report in your next reply, please.


Please note: If Rootrepeal fails to run, try this step: Click Settings - Options. Set the Disk Access slider to High

Also try: right-click on rootrepeal.exe and rename it to tatertot.scr


Please download Win32kDiag.exe by AD and save it to your desktop.
alternate download 1
alternate download 2
  • This tool will create a diagnostic report
  • Double-click on Win32kDiag.exe to run and let it finish.
  • When it states Finished! Press any key to exit..., press any key on your keyboard to close the program.
  • A file called Win32kDiag.txt should be created on your Desktop.
  • Open that file in Notepad and copy/paste the entire contents (from Starting up... to Finished! Press any key to exit...) in your next reply.

:thumbsup: Go to Posted Image > Run..., then copy and paste this command into the open box: cmd
Click OK.
At the command prompt C:\>, copy and paste the following command and press Enter:
DIR /a/s %windir%\scecli.dll %windir%\netlogon.dll %windir%\eventlog.dll >Log.txt & START notepad Log.txt
A file called log.txt should be created on your Desktop.
Open that file and copy/paste the contents in your next reply.
Posted Image
why won't my laptop work?

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