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need help removing virus with ComboFix

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5 replies to this topic

#1 gib65


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Posted 05 June 2009 - 02:58 PM


I sent a PM to Net_Surfer about using ComboFix to remove a virus from my computer. He suggested I post it in this forum. Here's the PM:

Hi Net_Surfer,

I stumbled across your post here about using ComboFix to get rid of viruses and other malware. Well, I actually didn't 'stumble'; I was directed by some helpful people at www.computerforums.org. You can check out my post that explains the problem I'm having here.

Anyway, I followed through your guide on how to use ComboFix up to the point where it generates a report. I have no idea what spa1 is or anything you refer to after that point. In any case, the virus is still there. I'm hoping you can help me a little further. I posted the report . Can you gleen anything from it? Would you know what the next step is for me?

I appreciate any help you can give me, and thanks in advance.


Now since then, my antivirus has been saying that it detected FraudTool.Win32.WinPCDefender as riskware (which is new). It said it was found in C:\System Volume Information\_restore{9A04BC89-D1AD-4F14-A896-E01204C26CF7}\RP1587\A0183657.exe. I don't suppose it's finding ComboFix itself or something related to it, is it?

Anyway, any help I can get would be much appreciated.

Edited by Orange Blossom, 07 June 2009 - 06:38 PM.
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#2 KoanYorel


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Posted 05 June 2009 - 03:21 PM

No logs were posted, that's why this was moved back to AAI.
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#3 boopme


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Posted 05 June 2009 - 03:37 PM

Welcome to BC. let's start with a log.

Next run MBAM (MalwareBytes):

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2

MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • Make sure you are connected to the Internet.
  • Double-click 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 definition updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick 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. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.
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#4 gib65

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Posted 07 June 2009 - 06:18 PM

I will follow your instruction on MBAM when I'm at my home computer.

Edited by Orange Blossom, 07 June 2009 - 06:35 PM.
Unnecessary quote and combofix log removed ~ OB

#5 Orange Blossom

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Posted 07 June 2009 - 06:37 PM

Hello gib65,

I removed the Combofix log so you can continue to receive assistance in this forum. The combofix log isn't the one boopme was referring to.

Also, please note that it is a very bad idea to follow fix instructions posted for someone else. Doing so could render your system inoperable. I have seen it happen.

Note: I shall also disable the link to your Combofix log in this topic.

Orange Blossom ~ forum moderator
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#6 gib65

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Posted 07 June 2009 - 10:32 PM

I don't seem to have incurred any problems running ComboFix (knock on wood), but the virus remains. At least, it remained until I ran MBAM and it generated this report:

Malwarebytes' Anti-Malware 1.37
Database version: 2246
Windows 5.1.2600 Service Pack 2

6/7/2009 9:09:29 PM
mbam-log-2009-06-07 (21-09-15).txt

Scan type: Quick Scan
Objects scanned: 97932
Time elapsed: 6 minute(s), 37 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 16
Registry Values Infected: 0
Registry Data Items Infected: 2
Folders Infected: 6
Files Infected: 8

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CLASSES_ROOT\mywebsearch.htmlpanel (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\mywebsearch.htmlpanel.1 (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\mywebsearch.pseudotransparentplugin (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\mywebsearch.pseudotransparentplugin.1 (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\Interface\{2e9937fc-cf2f-4f56-af54-5a6a3dd375cc} (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\Interface\{741de825-a6f0-4497-9aa6-8023cf9b0fff} (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\CLSID\{014da6c9-189f-421a-88cd-07cfe51cff10} (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\CLSID\{a4730ebe-43a6-443e-9776-36915d323ad3} (Adware.MyWebSearch) -> No action taken.
HKEY_CLASSES_ROOT\popcaploader.popcaploaderctrl2 (Adware.PopCap) -> No action taken.
HKEY_CLASSES_ROOT\popcaploader.popcaploaderctrl2.1 (Adware.PopCap) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\MySearch (Adware.MyWebSearch) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\saap (Adware.180Solutions) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Multimedia\WMPlayer\Schemes\f3pss (Adware.MyWebSearch) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Fun Web Products (Adware.MyWebSearch) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\MyWebSearch (Adware.MyWebSearch) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\Fun Web Products (Adware.MyWebSearch) -> No action taken.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\AntiVirusDisableNotify (Disabled.SecurityCenter) -> Bad: (1) Good: (0) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\UpdatesDisableNotify (Disabled.SecurityCenter) -> Bad: (1) Good: (0) -> No action taken.

Folders Infected:
C:\Program Files\MySearch (Adware.MyWebSearch) -> No action taken.
c:\program files\MySearch\bar (Adware.MyWebSearch) -> No action taken.
c:\program files\MySearch\bar\1.bin (Adware.MyWebSearch) -> No action taken.
c:\program files\MySearch\bar\History (Adware.MyWebSearch) -> No action taken.
c:\program files\MySearch\bar\Settings (Adware.MyWebSearch) -> No action taken.
c:\program files\MySearch\SrchAstt (Adware.MyWebSearch) -> No action taken.

Files Infected:
c:\WINDOWS\system32\UACmpgdyueyclomdsc.0ll (Trojan.TDSS) -> No action taken.
c:\program files\mozilla firefox\plugins\NPMyWebS.dll (Adware.MyWeb) -> No action taken.
c:\program files\MySearch\bar\NSUrlEcho.ini (Adware.MyWebSearch) -> No action taken.
c:\program files\MySearch\bar\1.bin\S4BAR.DLL (Adware.MyWebSearch) -> No action taken.
c:\program files\MySearch\bar\History\search (Adware.MyWebSearch) -> No action taken.
c:\documents and settings\Michelle\start menu\WinPC Antivirus.LNK (Rogue.WinPCAntivirus) -> No action taken.
c:\documents and settings\Michelle\Desktop\WinPC Antivirus.LNK (Rogue.WinPCAntivirus) -> No action taken.
c:\documents and settings\Michelle\Application Data\asd.bat (Rogue.WinPCDefender) -> No action taken.

I then told it to remove all malware it found, and it reported no problems. So although it's too early to tell, everything seems to have worked.

Is there anything more you can tell me by looking at the above report (or the one generated by ComboFix which is no longer a link but you can still get to via the modified URL above)?

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