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 (see here
) 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.
With that said, there are circumstances ComboFix will hang
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 ComboFix stalled/crashed and to provide that information to the Helper who is assisting you so they can investigate. 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):
- 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, please do NOT run ComboFix again unless asked to do so by a member of the Malware Removal Team.
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 that, please reply back in this thread with a link to the new topic so we can close this one.