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Virus infection


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#1 prylock

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Posted 22 August 2009 - 10:32 AM

Hello!

This is my first post on your forums.

And as I have a rather big problem I've decided to post right here instead in Introductions sub forum first.

Yesterday I did a normal scheduled, full system scan with newest version of Avira AntiVir. It didn't find any threats or warnings, nothing.
Then I tried to do a system scan with Malwarebytes' Anti-Malware. So there problems have started. I was unable to run it, it didn't open at all. Soon I've realized my DVD-ROM isn't reading DVDs also. Couldn't start any antivirus .exe files I've downloaded (such as Malwarebytes' .exe installation (I've uninstalled it and downloaded new to try and install it again, didn't work).

Today few things changed. The DVD (it was a DVD from one PC magazines with useful programs as Spybot, SuperAntiSpywer etc.) which I couldn't open yesterday, I wasn't able to open it today either, but I was able to open other random DVD. Same with installing. Managed to install Malwarbytes', Spybot search and destroy but I didn't manage to open a window with options to scan PC (although I've checked Task Manager - there I've could see them running).

The only 2 programs I've managed to get to run is Dr.Web (in safe mode) (did a scan, he found psexec.cfexe, but before he finished scanning whole Windows had frozen. 2 times in a row, scan finished by freezing. And second is Doctor Spyware - he found Trojan Smallfeg, Dialer. TIBS. Premium Rate, Trojan Alureon Gen, Adware.Targatsaver but he didn't removed them as that option is reserved only if you purchase it.

I have a feeling I'm gonna need to reinstall Windows although I'm hoping there's a solution to these problems.

Also tried a system restore ( never done it before and I have this PC for almost 6 years now), it didn't work, in wizard I've clicked "Next" button to do it but nothing happened.

Thanks in advance for all your advices.

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#2 Computer Pro

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Posted 22 August 2009 - 03:25 PM

Hello and welcome to Bleeping Computer.

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Lets try to get Malwarebytes to run a successful scan:

let's try Fatdcuk's fix.

Please navigate to the MBAM folder located in the Program Files directory.

Locate MBAM.exe and rename it to winlogon.exe

Once renamed double click on the file to open MBAM and select Quick Scan

At the end of the scan click Remove Selected and then reboot.


Post the scan log. 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.
Computer Pro

#3 prylock

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Posted 22 August 2009 - 04:13 PM

Hi Computer Pro and thanks for fast reply!

It seems Fatdcuk's fix didn't work, nothing happened (This error came: Unable to execute process/CreateProcess failed; code 2./The system cannot find the file specified.). This error came about 5 minutes after I'd clicked winlogon.exe.

But In Task Manager I could see it running for 1-2 minutes.

Could it be that I could run it normally, only that Malwarbytes' need a lot of time to start because of a virus?

Also, I've noticed when I'm booting Windows sometimes they don't manage to get to log in screen where you enter your password, so I have to manually restart it and then everything happens as usual.

#4 Computer Pro

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Posted 22 August 2009 - 04:19 PM

Ok, lets try Dr. Web.

Please download Dr. Web the free version & save it to your desktop. DO NOT perform a scan yet.

Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Scan with Dr. Web Cureit as follows:
Double-click on launch.exe to open the program and click Start. (There is no need to update if you just downloaded the most current version
Read the Virus check by DrWeb scanner prompt and click Ok where asked to Start scan now? Allow the setup.exe to load if asked by any of your security programs.
The Express scan will automatically begin.
(This is a short scan of files currently running in memory, boot sectors, and targeted folders).
If prompted to dowload the Full version Free Trial, ignore and click the X to close the window.
If an infected object is found, you will be prompted to move anything that cannot be cured. Click Yes to All.
When complete, click Select All, then choose Cure > Move incurable.
(This will move any detected files to the C:\Documents and Settings\userprofile\DoctorWeb\Quarantine folder if they can't be cured)
Now put a check next to Complete scan to scan all local disks and removable media.
In the top menu, click Settings > Change settings, and UNcheck "Heuristic analysis" under the "Scanning" tab, then click Ok.
Back at the main window, click the green arrow "Start Scanning" button on the right under the Dr.Web logo.
When the scan is complete, a message will be displayed at the bottom indicating if any viruses were found.
Click "Yes to all" if asked to cure or move the file(s) and select "Move incurable".
In the top menu, click file and choose save report list.
Save the DrWeb.csv report to your desktop.
Exit Dr.Web Cureit when done.
Important! Reboot your computer because it could be possible that files in use will be moved/deleted during reboot.
After reboot, post the contents of the log from Dr.Web in your next reply. (You can use Notepad to open the DrWeb.cvs report)
Computer Pro

#5 prylock

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Posted 27 August 2009 - 12:07 PM

I've tried Dr. Web, after 2-3 hours of scanning PC froze again.

So I have reinstalled Windows. After 6 years it was about time to reformat my hard drive and this virus problem was a good incentive for that.

Thanks for your help.

#6 Computer Pro

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Posted 27 August 2009 - 04:55 PM

I am sorry that it had to end this way. Make sure to visit Windows Update to make sure that your system is patched.
Computer Pro




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