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Antivirus can't remove W32/Trojan3.AKS


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#1 carolindy

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Posted 03 April 2009 - 11:27 PM

I am running F-PROT Antivirus for Windows and it usually catches and quarantines or removes any virus. This evening it alerted me that "W32/Trojan3.AKS" had infected my computer but it could not quarantine it. I ran Malwarebytes Anti-Malware and it found and removed 6 suspicious spyware files, but F-PROT says I still have this trojan. What can I do?

Edited by carolindy, 03 April 2009 - 11:27 PM.


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#2 Budapest

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Posted 06 April 2009 - 01:08 AM

Please download ATF Cleaner by Atribune & save it to your desktop. alternate download link DO NOT use yet.
Please download and install SUPERAntiSpyware Free
  • Double-click SUPERAntiSypware.exe and use the default settings for installation.
  • An icon will be created on your desktop. Double-click that icon to launch the program.
  • If asked to update the program definitions, click "Yes". If not, update the definitions before scanning by selecting "Check for Updates". (If you encounter any problems while downloading the updates, manually download them from here and unzip into the program's folder.)
  • Under the "Configuration and Preferences", click the Preferences... button.
  • Click the "General and Startup" tab, and under Start-up Options, make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • Click the "Scanning Control" tab, and under Scanner Options, make sure the following are checked (leave all others unchecked):
    • Close browsers before scanning.
    • Scan for tracking cookies.
    • Terminate memory threats before quarantining.
  • Click the "Close" button to leave the control center screen and exit the program.
  • Do not run a scan just 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".

Double-click ATF-Cleaner.exe to run the program.
  • Under Main "Select Files to Delete" 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.
    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.
    If you would like to keep your saved passwords, please click No at the prompt.
  • Click Exit on the Main menu to close the program.
Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

Scan with SUPERAntiSpyware as follows:
  • Launch the program and back on the main screen, under "Scan for Harmful Software" click Scan your computer.
  • On the left, make sure you check C:\Fixed Drive.
  • On the right, under "Complete Scan", choose Perform Complete Scan and click "Next".
  • After the scan is complete, a Scan Summary box will appear with potentially harmful items that were detected. Click "OK".
  • Make sure everything has a checkmark next to it and click "Next".
  • A notification will appear that "Quarantine and Removal is Complete". Click "OK" and then click the "Finish" button to return to the main menu.
  • If asked if you want to reboot, click "Yes" and reboot normally.
  • To retrieve the removal information after reboot, launch SUPERAntispyware again.
    • Click Preferences, then click the Statistics/Logs tab.
    • Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
    • If there are several logs, click the current dated log and press View log. A text file will open in your default text editor.
    • Please copy and paste the Scan Log results in your next reply.
  • Click Close to exit the program.

The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#3 carolindy

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Posted 06 April 2009 - 11:31 AM

Thank you so much for replying...I appreciate it very much. I did try what you suggested before you wrote me. I've been consumed with this trojan all weekend. SuperANTISpyware never catches this particular trojan:

W32/Trojan3.AKS filename C:\WINDOWS\itetstyc.dll

but my other antivirus program (F-PROT) does, but it cannot quarantine it or disinfect it. This trojan seems to be root problem that causes lots of other issues that SuperANTISpyware does catch and remove....but it doesn't fix the root problem...this trojan. I also run Malwarebytes Anti-Malware, and it's been great in the past at fixing things nothing else could fix, but it doesn't catch it either. I also run RegCure.

Could it be a rootkit problem? My computer beeps at me as soon as I logon as F-PROT finds this little bugger....but nothing is helping rid me of it. If I walk away from my computer for any period, all sorts of windows start popping up, unwanted. I know this guy is causing it. I do a search on the web and no one seems to have heard of this particular Trojan.

Here is the log of the scan that SuperANTISpyware created this morning:

SUPERAntiSpyware Scan Log
http://www.superantispyware.com

Generated 04/06/2009 at 12:12 PM

Application Version : 4.26.1000

Core Rules Database Version : 3829
Trace Rules Database Version: 1785

Scan type : Complete Scan
Total Scan Time : 01:09:40

Memory items scanned : 493
Memory threats detected : 0
Registry items scanned : 5929
Registry threats detected : 7
File items scanned : 103130
File threats detected : 1

Unclassified.Unknown Origin
HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{6D794CB4-C7CD-4C6F-BFDC-9B77AFBDC02C}
HKU\S-1-5-18\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{6D794CB4-C7CD-4C6F-BFDC-9B77AFBDC02C}

Rogue.Component/Trace
HKLM\Software\Microsoft\D88D8708
HKLM\Software\Microsoft\D88D8708#d88d8708
HKLM\Software\Microsoft\D88D8708#Version
HKLM\Software\Microsoft\D88D8708#d88d2a88
HKLM\Software\Microsoft\D88D8708#d88d436d

Trojan.Unknown Origin
C:\WINDOWS\SYSTEM32\CONFIG\SYSTEMPROFILE\APPLICATION DATA\5BF6AB1FB6CCA032

#4 quietman7

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Posted 06 April 2009 - 12:58 PM

Malwarebytes Anti-Malware has a built-in FileAssassin feature for removing stubborn malware files.
  • Go to the "More Tools" tab and click on the "Run Tool" button
  • Browse to the location of the file to remove using the drop down box next to "Look in:" at the top.
    • C:\Windows\itetstyc.dll <- this file
  • When you find the file, click on it to highlight, then select Open.
  • You will be prompted with a message warning: This file will be permanently deleted. Are you sure you want to continue?. Click Yes.
  • If removal did not require a reboot, you will receive a message indicating the file was deleted successfully.
  • Click Ok and exit MBAM.
  • If prompted to reboot, then do so immediately.
-- If the file returns, then you probably have other malware on your system which is protecting or regenerating it.

Caution: Be careful what you delete. FileAssassin is a powerful program, designed to move highly persistent files. Using it incorrectly could lead to serious problems with your operating system.


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#5 carolindy

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Posted 06 April 2009 - 01:48 PM

Fantastic....thank you so much for this little Assassin feature on Malwarebytes. I won't abuse it, believe me. But, it got rid of that stubborn file and it has not returned as yet. Hope it stays gone.

What do you recommend that I should be running as I move forward in the way of protecting my computer from spyware and malware?

Again...thank you so much!

#6 quietman7

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Posted 06 April 2009 - 02:04 PM

You're welcome on behalf of the Bleeping Computer community.

If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been backed up, renamed and saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Start > Run and type: Cleanmgr
  • Click "Ok". Disk Cleanup will scan your files for several minutes, then open.
  • Click the "More Options" tab, then click the "Clean up" button under System Restore.
  • Click Ok. You will be prompted with "Are you sure you want to delete all but the most recent restore point?"
  • Click Yes, then click Ok.
  • Click Yes again when prompted with "Are you sure you want to perform these actions?"
  • Disk Cleanup will remove the files and close automatically.
Vista Users can refer to these links: Create a New Restore Point and Disk Cleanup.

Tips to protect yourself against malware and reduce the potential for re-infection:Avoid gaming sites, pirated software, cracking tools, keygens, and peer-to-peer (P2P) file sharing programs. They are a security risk which can make your computer susceptible to a smörgåsbord of malware infections, remote attacks, exposure of personal information, and identity theft. Many malicious worms and Trojans spread across P2P file sharing networks, gaming and underground sites. Users visiting such pages may see innocuous-looking banner ads containing code which can trigger pop-up ads and malicious Flash ads that install viruses, Trojans and spyware. Ads are a target for hackers because they offer a stealthy way to distribute malware to a wide range of Internet users. The best way to reduce the risk of infection is to avoid these types of web sites and not use any P2P applications. Read P2P Software User Advisories and Risks of File-Sharing Technology.

Keeping Autorun enabled on USB (pen, thumb, jump) and other removable drives has become a significant security risk due to the increasing number of malware variants that can infect them and transfer the infection to your computer. To learn more about this risk, please read:Many security experts recommend disabling this feature as a method of prevention. Microsoft recommends doing the same.

...Disabling Autorun functionality can help protect customers from attack vectors that involve the execution of arbitrary code by Autorun when inserting a CD-ROM device, USB device, network shares, or other media containing a file system with an Autorun.inf file...

Microsoft Security Advisory (967940): Update for Windows Autorun
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