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help needed to remove dllhost.exe


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#1 Faith77

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Posted 04 June 2015 - 03:53 AM

I have a Macbook Pro with windows 7 running in a partition via Bootcamp.

Windows started getting slow and sluggish even when its idle with CPU usage 50-100%! I looked up the processes running found the dllhost.exe hogging the CPU usage. I looked up dllhost.exe and how to remove it, found a tutorial suggesting removing all instances of dllhots.exe in the registry editor (run regedit). It got better for a while but after a few days it got much worse, the proxy settings in my windows 7 cannot be removed no matter how many times I've tried. I don't know if the last thing is caused by dllhost.exe or something else. I need help disinfecting, as most of my college stuff are in the windows partition and am afraid to backup everything into an external hard drive and end up with it infected too.



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#2 Faith77

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Posted 05 June 2015 - 08:04 AM

Forgot to attach FRST logs as requested. 

Attached Files



#3 jntkwx

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Posted 06 June 2015 - 01:30 PM

Faith77,
:welcome:  to BleepingComputer! 
My name is Jason and I'll be helping you with your computer problems. You can call me by my screen name jntkwx or Jason is fine.
 
 

Ground Rules:

  • First, I would like to inform you that most of us here at Bleeping Computer offer our expert assistance out of the goodness of our hearts. Please try to match our commitment to you with your patience toward us. If this was easy we would never have met.   :)
  • If you have illegal/cracked software, cracks, keygens, etc. on the system, please remove or uninstall them now!
  • Please do not run any tools or take any steps other than those I will provide for you while we work on your computer together. I need to be certain about the state of your computer in order to provide appropriate and effective steps for you to take. Most often "well intentioned" (and usually panic driven!) independent efforts can make things much worse for both of us. If at any point you would prefer to take your own steps please let me know, I will not be offended. I would be happy to focus on the many others who are waiting in line for assistance.
  • Please perform all steps in the order they are listed in each set of instructions. Some steps may be a bit complicated. If things are not clear, be sure to stop and let me know. We need to work on this together with confidence.
  • Please copy and paste all logs into your post unless directed otherwise. Please do not re-run any programs I suggest. If you encounter problems simply stop and tell me.
  • When you post your reply, use the Replytopic.jpg button.
  • In the upper right hand corner of the topic you will see the Followtopic.jpg button. Click on this then choose Immediate E-Mail notification and then Proceed and you will be sent an email once I have posted a response.
  • If you do not reply to your topic after 5 days we assume it has been abandoned and I will close it.
  • When your computer is clean I will alert you of such. I will also provide for you detailed information about how you can combat future infections.
  • I would like to remind you to make no further changes to your computer unless I direct you to do so.
  • Now let's get started   :thumbup2:

===================================================

 

Now that I am assisting you, you can expect that I will be very responsive to your situation. If you are able, I would request you check this thread at least once per day so that we can try to resolve your issues effectively and efficiently. If you are going to be delayed please be considerate and post that information so that I know you are still with me. Unfortunately, there are many people waiting to be assisted and not enough of us at BleepingComputer to go around. I appreciate your understanding and diligence.

 

Note to others: The instructions here are intended for the person who began this topic. If you need help, please create your own topic in the appropriate forum.
 
 

:step1: MBAM
Please download Malwarebytes Anti-Malware (MBAM) photo.jpg?sz=48 and save it to your desktop.

  • Double-click on the setup file (mbam-setup.exe), then click on Run to install.
  • Malwarebytes will automatically open to it's Dashboard. If you have never run this version, you should see a red note at the top indicating "A scan has never been run on your system"

    malwarebytes-anti-malware-fix-now.jpg
    .
  • Click on Update Now to download the current database definitions, then click the Scan Now >> button.
    .
  • If you have run this version before, you should see a green note at the top indicating "Your system is fully protected".
  • You will be prompted to update Malwarebytes...click on the Update Now button.

    malwarebytes-anti-malware-2-0-update-now
    .
  • The THREAT SCAN will automatically begin.

    malwarebytes-anti-malware-scan.jpg
    .
  • When the scan has completed, the results will be displayed. Click on Quarantine All, then click on Apply Actions.

    malwarebytes-anti-malware-potential-thre
    .
  • To complete any actions taken you will be prompted to restart your computer...click on Yes. Failure to reboot normally will prevent Malwarebytes from removing all the malware.

    mbam4_zps490948cc.png
    .
  • After rebooting the computer, copy and paste the mbam.log in your next reply.
  • .
    To retrieve the Malwarebytes Anti-Malware 2.0 scan log information (Method 1)To retrieve the Malwarebytes Anti-Malware 2.0 scan log information (Method 2)
    • Open Malwarebytes Anti-Malware.
    • Click the History Tab at the top and select Application Logs.
    • Select (check) the box next to Scan Log. Choose the most current scan.
    • Click the View button.
    • Click Copy to Clipboard at the bottom...come back to this thread, click Add Reply, then right-click and choose Paste.
    • Alternatively, you can click Export and save the log as a .txt file on your Desktop or another location.
    • Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
    • Open Malwarebytes Anti-Malware.
    • Click the Scan Tab at the top.
    • Click the View detailed log link on the right.
    • Click Copy to Clipboard at the bottom...come back to this thread, click Add Reply, then right-click and choose Paste.
    • Alternatively, you can click Export and save the log as a .txt file on your Desktop or another location.
    • Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.

:step2: MiniToolBox
Please download MiniToolBox, save it to your desktop and run it.
Checkmark the following checkboxes:

  • Flush DNS
  • Report IE Proxy Settings
  • Reset FF Proxy Settings
  • List content of Hosts
  • List IP configuration
  • List Winsock Entries

Click Go and post the result (Result.txt). A copy of Result.txt will be saved in the same directory the tool is run.
 
 
In your next reply, please include:

  • MBAM log
  • MiniToolBox log
  • How's your computer running now?

Regards,
Jason

 

Simple and easy ways to keep your computer safe and secure on the Internet

If I am helping you and have not returned in 48 hours, please feel free to send me a PM with a link to the topic.
My help is free... however, if you wish to show appreciation and support me personally fighting against malware, please consider a donation: btn_donate_SM.gif


#4 jntkwx

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Posted 11 June 2015 - 11:30 AM

Faith77,
 
It's been several days since my last post. Do you stiil need help?
 
If you do, please follow my previous instructions. :thumbup2:


Regards,
Jason

 

Simple and easy ways to keep your computer safe and secure on the Internet

If I am helping you and have not returned in 48 hours, please feel free to send me a PM with a link to the topic.
My help is free... however, if you wish to show appreciation and support me personally fighting against malware, please consider a donation: btn_donate_SM.gif


#5 Faith77

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Posted 11 June 2015 - 11:50 AM

Jason,

 

Sorry I haven't replied earlier. I've done a clean reinstall of windows and that seems to have fixed everything. 

Thanks :)



#6 jntkwx

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Posted 11 June 2015 - 11:50 AM

It appears that this issue is resolved, therefore I am closing the topic. If that is not the case and you need or wish to continue with this topic, please send me or any Moderator a Personal Message (PM) that you would like this topic re-opened.
Regards,
Jason

 

Simple and easy ways to keep your computer safe and secure on the Internet

If I am helping you and have not returned in 48 hours, please feel free to send me a PM with a link to the topic.
My help is free... however, if you wish to show appreciation and support me personally fighting against malware, please consider a donation: btn_donate_SM.gif





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