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ComboFix crashes with errors about sfc.dll


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#1 BillM.Green

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Posted 14 November 2014 - 06:56 AM

Hello!

 

When starting the recent ComboFix it opens various windows showing "The procedure * could not be located in the file sfc.dll" - when I confirm all the windows ComfoFix informs that it should not be run in compatibility mode and throws me back to the desktop.

 

I suspect an infection or is there a problem with the latest CF version?

 

Thanks.

 

 

Cheers Bill



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#2 quietman7

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Posted 14 November 2014 - 01:58 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. 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. 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, Zoek and RSIT 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.

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. If that assistance requires running ComboFix, you will be advised what to do in order to get the tool to run properly or investigate any error messages.

If you need individual assistance with a malware infection, 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.

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 or you're using Windows 8.1, then still start the new topic and explain that you followed the Prep. Guide, were unable to create the logs, and describe what happened when you tried to create them.

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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