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Combofix stuck at stage 2 scan


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#1 Carolan Ivey

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Posted 03 January 2012 - 01:50 AM

Hi

I downloaded combofix and clicked to run it as an administrator. However I get a message that access is denied, that I need to run it as an admin! Um, I did that! The program went ahead and started scanning but it stopped at stage 2 and has been stuck there for about half an hour. Should I wait and see if it runs? How do I get it to recognize me as an admin? Thanks! (Sorry if there are typos...I'm using my itty bitty hp mini and I'm squinting!)

Oh, I'm running in safe mode.

Edited by hamluis, 03 January 2012 - 07:47 AM.
Moved from Vista to AV, Firewall, Privacy Protection.


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#2 hamluis

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Posted 03 January 2012 - 07:47 AM

From http://www.bleepingcomputer.com/combofix/how-to-use-combofix :

"You should not run ComboFix unless you are specifically asked to by a helper. Also, due to the power of this tool it is strongly advised that you do not attempt to act upon any of the information displayed by ComboFix without supervision from someone who has been properly trained. If you do so, it may lead to problems with the normal functionality of your computer."

I will move your topic to a forum where someone more knowledgeable may be able to assist you.

Louis

#3 quietman7

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Posted 03 January 2012 - 01:43 PM

As a general policy, Bleeping Computer does not offer advice on how to run ComboFix unless we asked someone to run it or if there is a problem with the computer caused by running the tool. This is because people should not be using ComboFix without being advised to do so by a trained expert (see here) who is assisting them deal with a malware problem. When issues arise due to complex malware infections, possible false detections, problems running ComboFix (i.e. stalling, hanging, crashing) or with other security tools causing conflicts, experts are usually aware of them and can advise what should or should not be done while providing individual assistance. When false detections are identified, experts have access to the developer and can report them so he can investigate, confirm and make corrections. Those attempting to use ComboFix on their own do not have such information and are at risk when running the tool in an unsupervised environment.

Also be aware that using ComboFix is only one part of the disinfection process. Preliminary scans from other tools like DDS, RSIT and GMER should be used first because they provide comprehensive logs with specific details about files, folders and registry keys which may have been modified by malware infection. Analysis of those logs allows planning an strategy for effective disinfection and a determination if using ComboFix is necessary.

With that said, there are circumstances ComboFix will hang, crash or stall at various stages due to malware interference, failure to disable other real-time protection tools or the presence of CD Emulators (Daemon Tools, Alchohol 120%, Astroburn, AnyDVD) so that it does not complete successfully. Also, depending on how badly a system is infected, ComboFix may take longer to complete its routine than it normally does or fail to run properly. While that is not normal behavior, it is not unusual. This is just another reason why you should only use ComboFix under supervision.

If ComboFix still appears to be struck, frozen or failed to reboot, then try this:

Open Task Manager and look for the following ComboFix related processes (some have a .3XE extension):
  • PEV.exe
  • NirCmd.3XE
  • PEV.3XE
  • SED
  • GREP
  • any file that has the extension *.3XE
One at a time, right-click and select End Process. If doing that did not free ComboFix, then you will need to reboot the computer manually.

Afterwards, please do NOT run ComboFix again unless asked to do so by a member of the Malware Removal Team.

If you need assistance with a malware infection, please follow the instructions in the "Preparation Guide" starting at Step 6.
  • If you cannot complete a step, then skip it and continue with the next.
  • In Step 7 there are instructions for downloading and running DDS which will create two logs.
  • When you have done that, post your logs in the Virus, Trojan, Spyware, and Malware Removal Logs forum, NOT here, for assistance by the Malware Response Team Experts.

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