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Something really weird happened?


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3 replies to this topic

#1 hoakman

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Posted 17 August 2009 - 10:49 AM

Today, while i was installing flash player 10, a warning suddenly popped up from comodo saying that the process dllhost.exe was trying to execute gcc.exe, i blocked it and quickly checked task manager and found out that 3 dllhost.exe processes is running. I have always seen only 2. The weird thing is that when i checked task manager a minute later, the third dllhost was gone. And there were just 2 of them. And i havent seen the same warning again since too. Is the malware still on this computer, or did it just dissapear? If you think its still on there, what actions should i take to remove this threat?

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#2 Blade

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Posted 17 August 2009 - 11:00 AM

Hello hoakman. :thumbsup:

First, I have a question for you. Do you use any wireless devices manufactured by Linksys?

Secondly, let's run a quick scan to see what we're dealing with here.

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

IMPORTANT!!! - when you save the file, rename it to something random, such as bubbles.exe This must be done before beginning the download!

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 [http://www.malwarebytes.org/mbam/database/mbam-rules.exe]here[/url] 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.

~Blade


In your next reply, please include the following:
Malwarebytes log

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#3 hoakman

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Posted 17 August 2009 - 02:17 PM

First, i dont have any linksys device attached to my computer. Second, MBAM didn't catch anything and so didn't avast in boot time scan so i dont think i have a virus, also i scanned with online trend micro HouseCall... But what happened was very odd.
And thanks alot for your reply. If there is any other logs i should post here to analyze then by all means do tell me.

#4 Blade

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Posted 17 August 2009 - 03:18 PM

the weird part about it is that dllhost was trying to run an exe. . . I'm thinking Comodo may have gotten a bit confused.

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