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combofix is able to find errors, but freezes at the reboot process


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#1 bsmile

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Posted 01 April 2014 - 12:11 PM

At the end of combofix, it tries to reboot itself but freezes there unable to finish the shutdown process. I can manually pop up task manager with ctrl+alt+del and restart the computer, but disrupt combofix process(As a result, combofix will repeatedly find the same issues again and again). Except for the freeze, everything else seems normal. I am using win xp professional with sp2/3 and most windows updates installed. I did google a bit on line, somebody else also complained same thing, but obviously the moderators there didn't realize existence of this issue (most of them thought this to be very serious and directed questioner to make a bootcd). I would really hope the developers will take a look into this issue. Combofix is the last means I rely on when something really mysterious happens in my computer. Now it cannot finish its work, I feel very frustrated. Meanwhile, I really appreciate/admire your work by developing such a nice, quick little powerful thing.

Edit: Moved topic from Windows XP to the more appropriate forum.~ Animal

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#2 quietman7

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Posted 01 April 2014 - 03:04 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. Per the developer, 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, OTL, 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 a 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. In such cases, it is helpful to know at what stage CF stalled/crashed and to provide that information to the Helper who is assisting you so they can investigate. This is just another reason why we ask folks to only use ComboFix under supervision.

If you need individual assistance with a malware infection that requires using ComboFix, please follow the instructions in the Preparation Guide For Requesting Help starting at Step 6.
  • If you cannot complete a step, then skip it and continue with the next.
  • In Step 6 there are instructions for downloading and running DDS which will create two logs. (Note: Windows 8.1 Users will not be able run DDS and create a log)
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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#3 bsmile

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Posted 09 April 2014 - 12:40 PM

I have followed the suggestions to post a message on Virus, Trojan, Spyware, and Malware Removal Logs forum, Thanks,



#4 quietman7

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Posted 09 April 2014 - 12:54 PM

You're welcome.

Your log(s) is posted here.

Now that your log is posted, you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a Malware Response Team member...nor should you continue to ask for help elsewhere. Doing so can result in system changes which may not show in the log(s) you already posted. Further, any modifications you make on your own may cause confusion for the member assisting you and could complicate the malware removal process or make things worst which would extend the time it takes to clean your computer.

From this point on the Malware Response Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take several days to get a response because the Malware Response Team members are very busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have posted your log and are waiting, please DO NOT "bump" your post or make another reply until it has been responded to by a member of the Malware Response Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another Malware Response Team member is already assisting you and not open the thread to respond.

If HelpBot replies to your topic, please follow Step One and CLICK the link so it will report your topic to the team members.

To avoid confusion, I am closing this topic.

Good luck with your log.
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