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#1 aFj

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Posted 09 May 2010 - 07:05 AM

Windows XP Service Pack 3, IE8
Yesterday, a routine scan in AVG Free found a Trojan (Crypt.VFG). Since then I have been having search results in Google redirect to random pages.
If I type the URL in manually, it works fine.
Windows update also will not work (Internet explorer cannot display the web page) and random other links on some websites also produce the same error page. If I try Diagnose connection problems, it says everything is fine.
This issue does not affect other computers on the same router.
From what's on this site, I feel I have some malware.
I've followed the preparation guide but cannot get GMER to successfully run - it always ends up locking up my computer - so I have posted the other logs that I do have and will post the GMER one if I manage to get it to work.

Thanks, in advance.

Log files are attached as a ZIP
- apologies but this was the only way I could get them to upload

Merged posts. ~ OB

Attached Files


Edited by Orange Blossom, 09 May 2010 - 04:11 PM.


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#2 m0le

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Posted 10 May 2010 - 06:41 PM

Hi,

Welcome to Bleeping Computer. My name is m0le and I will be helping you with your log.
  • Please subscribe to this topic, if you haven't already. You can subscribe by clicking the Options box to the right of your topic title and selecting Track This Topic.

  • Please avoid installing/uninstalling or updating any programs and attempting any unsupervised fixes or scans. This can make helping you impossible.

  • Please reply to this post so I know you are there.
The forum is busy and we need to have replies as soon as possible. If I haven't had a reply after 3 days I will bump the topic and if you do not reply by the following day after that then I will close the topic.

Once I receive a reply then I will return with your first instructions.

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#3 aFj

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Posted 11 May 2010 - 08:21 AM

Hi m0le,
I've followed your instructions ... what's next?

Thanks, in advance

#4 m0le

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Posted 11 May 2010 - 02:32 PM

Gmer locking up at the moment means a rootkit which we will need Combofix to try and remove.

Download and Run RKill

Please download RKill by Grinler from one of the 4 links below and save it to your desktop.

Link 1
Link 2
Link 3
Link 4
  • Before we begin, you should disable your anti-malware softwares you have installed so they do not interfere RKill running as some anti-malware softwares detect RKill as malicious. Please refer to this page if you are not sure how.
  • Double-click on Rkill on your desktop to run it. (If you are using Windows Vista, please right-click on it and select Run As Administrator)
  • A black screen will appear and then disappear. Please do not worry, that is normal. This means that the tool has been successfully executed.
  • Please post the resulting log in your next reply.


Then

Please download ComboFix from one of these locations:* IMPORTANT !!! Save ComboFix.exe to your Desktop making sure you rename it comfix.exe
  • Disable your AntiVirus and AntiSpyware applications, usually via a right click on the System Tray icon. They may otherwise interfere with our tools. (Click on this link to see a list of programs that should be disabled. The list is not all inclusive.)
  • Double click on Comfix.exe & follow the prompts.
  • As part of it's process, ComboFix will check to see if the Microsoft Windows Recovery Console is installed. With malware infections being as they are today, it's strongly recommended to have this pre-installed on your machine before doing any malware removal. It will allow you to boot up into a special recovery/repair mode that will allow us to more easily help you should your computer have a problem after an attempted removal of malware.
  • Follow the prompts to allow ComboFix to download and install the Microsoft Windows Recovery Console, and when prompted, agree to the End-User License Agreement to install the Microsoft Windows Recovery Console.
**Please note: If the Microsoft Windows Recovery Console is already installed, ComboFix will continue it's malware removal procedures.



Once the Microsoft Windows Recovery Console is installed using ComboFix, you should see the following message:



Click on Yes, to continue scanning for malware.

When finished, it shall produce a log for you. Please include the C:\ComboFix.txt in your next reply.
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#5 aFj

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Posted 11 May 2010 - 03:35 PM

All steps completed.
First time through PC blue screened and rebooted at Step 50 in Combofix,
Did everything over again and it worked the second time.
All logs attached.

Attached Files



#6 m0le

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Posted 11 May 2010 - 03:59 PM

Can you post the Combofix quarantine log

Please go to Start >Run > and copy/paste the following, then press Enter

C:\QooBox\ComboFix-quarantined-files.txt

A log file should open. Please post that in your next reply.
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#7 aFj

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Posted 11 May 2010 - 04:04 PM

Quarantined files list, as requested

Attached Files



#8 m0le

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Posted 11 May 2010 - 04:10 PM

Can you now run MBAM

Please download Malwarebytes Anti-Malware and save it to your desktop.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application or, if you are using Vista, right-click and select Run As Administrator 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 updates, manually download them from here and just double-click on mbam-rules.exe to install.
  • On the Scanner tab:
    • Make sure the "Perform Full 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 and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you may be asked to reboot your computer so it can proceed with the disinfection process. Regardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware. MBAM may make changes to your registry as part of its disinfection routine. If you're using other security programs that detect registry changes, they may alert you after scanning with MBAM. Please permit the program to allow the changes.
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#9 aFj

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Posted 12 May 2010 - 12:46 AM

Done. Log below:

Malwarebytes' Anti-Malware 1.46
www.malwarebytes.org

Database version: 4090

Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

11/05/2010 23:23:16
mbam-log-2010-05-11 (23-23-16).txt

Scan type: Full scan (C:\|)
Objects scanned: 253680
Time elapsed: 56 minute(s), 32 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)


#10 m0le

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Posted 12 May 2010 - 02:36 PM

That's a good result.

Finally, please scan the PC with ESET online

I'd like us to scan your machine with ESET OnlineScan
  1. Hold down Control and click on the following link to open ESET OnlineScan in a new window.
    ESET OnlineScan
  2. Click the button.
  3. For alternate browsers only: (Microsoft Internet Explorer users can skip these steps)
    1. Click on to download the ESET Smart Installer. Save it to your desktop.
    2. Double click on the icon on your desktop.
  4. Check
  5. Click the button.
  6. Accept any security warnings from your browser.
  7. Leave the top box checked and then check
  8. Push the Start button.
  9. ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
  10. When the scan completes, push
  11. Push , and save the file to your desktop using a unique name, such as ESETScan. Include the contents of this report in your next reply.
  12. Push the button.
  13. Push
NOTE: If no malware is found then no log will be produced. Let me know if this is the case.

How is the PC now running?
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#11 aFj

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Posted 13 May 2010 - 01:10 AM

Done. 1 infection found - log attached.
Google links are now working fine and the system generally seems normal.
Anything else to do?

Attached Files



#12 m0le

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Posted 13 May 2010 - 05:31 PM

One item but that is already in Combofix's quarantine folder. Your PC is ready to go.

You're clean. Good stuff! thumbup2.gif

Let's do some clearing up

Uninstall ComboFix

Remove Combofix now that we're done with it.
  • Please press the Windows Key and R on your keyboard. This will bring up the Run... command.
    (For Vista/Windows 7 please click Start -> All Programs -> Accessories -> Run)
  • Now type in Combofix /Uninstall in the runbox and click OK. (Notice the space between "Combofix" and "/")
  • Please follow the prompts to uninstall Combofix.
  • You will then receive a message saying Combofix was uninstalled successfully once it's done uninstalling itself.
This will uninstall Combofix and anything associated with it.


Download and Run OTC

We will now remove the tools we used during this fix using OTC.
  • Download OTC by OldTimer and save it to your desktop.
  • Double click icon to start the program. If you are using Vista, please right-click and choose run as administrator
  • Then Click the big button.
  • You will get a prompt saying "Being Cleanup Process". Please select Yes.
  • Restart your computer when prompted.
------------------------------------------------------------------------------------------------------------------------

Here's some advice on how you can keep your PC clean


Update your AntiVirus Software

It is imperative that you update your Antivirus software at least once a week (Even more if you wish). If you do not update your antivirus software then it will not be able to catch any of the new variants that may come out. If you use a commercial antivirus program you must make sure you keep renewing your subscription. Otherwise, once your subscription runs out, you may not be able to update the programs virus definitions.


Make sure your applications have all of their updates

It is also possible for other programs on your computer to have security vulnerability that can allow malware to infect you. Therefore, it is also a good idea to check for the latest versions of commonly installed applications that are regularly patched to fix vulnerabilities. You can check these by visiting Secunia Software Inspector and Calendar of Updates.


Install an AntiSpyware Program

A highly recommended AntiSpyware program is SuperAntiSpyware. You can download the free Home Version. or the Pro version for a 15 day trial period.

Installing this or another recommended program will provide spyware & hijacker protection on your computer alongside your virus protection. You should scan your computer with an AntiSpyware program on a regular basis just as you would an antivirus software.


Finally, here's a treasure trove of antivirus, antimalware and antispyware resources


That's it aFj, happy surfing!

Cheers.

m0le
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#13 aFj

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Posted 14 May 2010 - 12:26 PM

All Done.
That is brilliant. Thanks a million, m0le

#14 m0le

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Posted 19 May 2010 - 06:28 PM

Since this issue appears to be resolved ... this topic has been closed. Glad we could help. smile.gif

If you're the topic starter, and need this topic reopened, please contact me via pm with the address of the thread.

Everyone else please begin a New Topic.
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