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combofix stops at stage 4 just sit there after never completes


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#1 shawn50

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Posted 03 June 2015 - 10:01 AM

Can any1 help with why combo is doing the  win 7 professional

Edit: Topic moved from Windows 7 to the more appropriate forum. ~ Animal

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#2 Aura

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Posted 03 June 2015 - 10:06 AM

Hi shawn50 :)

ComboFix is a very powerful reporting and scripting tool that was developped by sUBs, used by members of the malware removal team here on BleepingComputer (and also on other forums). This tool can easily break a Windows installation if poorly and/or wrongly used. It can make the whole system unbootable and also delete everything present on your drives (leaving you with close to no chance of recovery) or damage your Windows installation so badly that you would be forced to reinstall it. Therefore, you should not be using ComboFix unless you are in one of the two situation listed below:
  • You have been trained in an online malware removal forum to use ComboFix;
  • You are using it under the supervision and instructions of a trained malware removal professional on BleepingComputer or another recognized malware removal forum (UNITE forums for example);
If you already ran ComboFix on your system and need assistance with the log or you ran it because you think that your system is infected, you will have to post a thread in the Virus, Trojan, Spyware, and Malware Removal Logs section of BleepingComputer, where a trained helper will assist you.

If you have any questions or concerns about ComboFix, quietman7 wrote a FAQ on it and you'll find all your answers in it.

ComboFix usage, Questions, Help? - Look here

Also be aware that BleepingComputer doesn't provide any advice on how to use ComboFix on your own, due to the nature of the tool and how dangerous it can be when used without supervision or proper training.
 

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. We recommend that people should not be using ComboFix without being advised to do so by a trained expert who is assisting them deal with a malware problem. When issues arise due to complex malware infections, 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.

While our policy is not to offer advice on running ComboFix unless we asked someone to run it, we are willing to assist with resolving problems caused after using it and we are certainly willing to help with malware disinfection.


Edited by Aura., 03 June 2015 - 10:07 AM.

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#3 quietman7

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Posted 03 June 2015 - 12:37 PM

:welcome: to Bleeping Computer shawn50.

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. Using Task Manager to stop ComboFix's related process usually is enough to abort it.

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 except CF*****.3XE <- do not end this process
One at a time, right-click and select End Process. If doing that did not free ComboFix and allow it to continue, then you will need to reboot the computer manually.

Afterwards, if you need further assistance with a malware infection, please follow the instructions in the Malware Removal and Log Section Preparation Guide 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 FRST 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.

Start a new topic, give it a relevant title and post your log(s) along with a brief description of your problem, a summary of any anti-malware tools you have used and a summary of any steps that you have performed on your own. If you cannot produce any of the required logs...start the new topic anyway. Explain that you followed the Prep. Guide, were unable to create the logs, and describe what happened when you tried to create them. A member of the Malware Removal Team will walk you through, step by step, on how to clean your computer.

After doing this, please reply back in this thread with a link to the new topic so we can close this one.
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