VBS:Malware-Gen (second computer infected)

Viruses and worms
1

Avast found VBS:Malware-Gen during a virus scan . OTL scan keeping on not responding during firefox settings . Magna86 is dealing with another computer of my that is infected in http://forum.avast.com/index.php?topic=124077.0.

2

try OTL from safe mode

magna is notified

3

it is f8 to get in to safe mode during startup as I am having problems getting in to safe mode . Also I noticed desktop.ini apppearing on my desktop .

4

Hi :slight_smile:

desktop.ini is hidden legit file. OTL was temporarily made it ​​visible.

OTL scan keeping on not responding during firefox settings
For OTL is normal to during scanning displays "not respondig" message, but it should complete the scan. Hm ... try to run this one;

Download DDS and save it to your Desktop from here:
http://download.bleepingcomputer.com/sUBs/dds.scr

Double click dds to run the tool.

* When done, DDS will open two (2) logs:
    1. DDS.txt
    2. Attach.txt

Save both reports to your desktop. DDS.txt and Attach.txt attach back to topic.

5

logs

6

Ok, DDS has shown under “Event Viewer” sections error related to hard disk. Would it be external HDD?

15/05/2013 10:22:47, Error: Disk [11] - The driver detected a controller error on \Device\Harddisk1\DR1.

… … … …

Let’s run deeper check.

Please download zoek.exe and save it to your desktop.

[*] Close any open browsers.

[*] Temporarily disable your AntiVirus program. (If necessary)
If you are unsure how to do this please read this or this Instruction.

[*] Double click on zoek.exe to run the tool .
Please wait while the tool does not start…

[*] Copy the text present inside the code box below and paste it into the large window in the zoek tool:



autoclean;
emptyalltemp;
emptyclsid;
emptyrecycle.bin;

[*] Click on
http://www.mcshield.net/personal/magna86/Images/Run%20Script%20by%20zoek.png
button
Please wait until a logreport will open (this can be after reboot)

[*] Save notepad to your Desktop and attach here zoek-results.log

Note: It will also create a log in the C:\ directory named “zoek-results.log”

Download ComboFix from here and save it to your Desktop.
If you are unsure how ComboFix works please read this guide carefully.
note: ComboFix must be downloaded to your Desktop.

Temporarily disable your AntiVirus program.
If you are unsure how to do this please read this or this Instruction.

How to disable avast:

[*]Right-click on the avast! icon in the lower right corner of the screen and choose Open Avast! User Interface.
[*]In the window that opens on the top right corner, click Settings.
[*]In a new window that opens, choose the option Troubleshooting, Uncheck Enable avast! self-defense, and click OK.

[*]Right-click on the avast! icon in the lower right corner of the screen and select avast! shield controls .
[*]In the menu that appears, choose Disable Permanently. When you are prompted to turn off security, click Yes.

Note: Do not forget to turn on this option after the cleaning.

Run ComboFix. Click on I Agree!
ComboFix will check if there is a newer version of ComboFix available.
Click Yes if prompted to download.
ComboFix will display DISCLAIMER OF WARRANTY ON SOFTWARE.
Click Yes to allow ComboFix to continue.
If Recovery Console is not installed, ComboFix will offer download & installation.
Click Yes to allow ComboFix to install Recovery Console.
Note:Do not mouse-click Combofix’s window while it is running.
If you see a message like “Illegal operation attempted on a registry key that has been marked for deletion” just restart computer once more.

When the tool is finished, it will produce a log report for you. (typical location: C:[b]ComboFix.txt[/b] )
Attach log reports ( ComboFix.txt) back to topic.

Download TDSSKiller and save it to your desktop

Execute [b]TDSSKiller.exe[/b] by doubleclicking on it.

[*] Press Start Scan

[*] If Suspicious object is detected, the default action will be Skip, click on Continue.
[*] If Malicious objects are found, select Cure.

Once complete, a log will be produced at the root drive which is typically C:\ ,for example, [b]C:\TDSSKiller.<version_date_time>log.txt[/b]

Please post the contents of that log in your next reply.

7
Ok, DDS has shown under "Event Viewer" sections error related to hard disk. Would it be external HDD?
I think it might be
8

There is no malware here. You are clean.

It is necessary to uninstall ComboFix :

[*] Click Start (or
http://amf.mycity.rs/pg/images/VistaStartButton.png
) then Run.

On Windows7 or Vista you may use Start Search field if Run is not available.

[*] In the line of text type in (Copy) the following:

ComboFix /Uninstall

Note that there is a space between " ComboFix " and " /Uninstall " .

[*] then click OK (or press Enter ).

Wait for the uninstall process is complete.

Please download DelFix by “Xplode” to your Desktop.

Run the tool and check the following boxes below;

[] Remove disinfection tools
[] Create registry backup
[*] Purge System Restore

Now click on “Run” button. Wait for the programme completes his work.

Tool will create and open an log report (DelFix.txt)
Note: The report will also be stored on C:\DelFix.txt

I don’t need DelFix log report.

I recommended to you to keep Malwarebytes and MCShield if you will.
MCShield will prevent infection by computer via USB flash drive, mobile phone or any other memory card.
And not only will prevent infection, but will immediately clean Memory card or external HDD

9

done thank you for your help