Solved Multiple instances of dllhost 32 (100%CPU)

[HeatSieker]

Infection occurred within the last 2 months. Chrome crashing, CPU usage jumping up to 100%, initially multiple "Google Chrome" instances in processes under image nameRgeqkeojpv.exe. Uninstalled Chrome, now showing as multiple instances of dllhost 32*. Cannot end them before more regenerate.

Will follow instructions and run ADW ASW and FRST and post the logs when complete.

Regards

 

[TwinHeadedEagle]

Hello,



They call me TwinHeadedEagle around here, and I'll be working with you.



Before we start please read and note the following:

• At the top of your post, please click on the "Watch thread" button and make sure to check Watch this thread...and receive email notifications. This will send an email to you as soon as I reply to your topic, allowing me to solve your problem faster.
• Please do not install any new software during the cleaning process other than the tools I provide for you. This can hinder the cleaning process. Please do not perform System Restore or any other restore.
• Instructions I give to you are very simple and made for complete beginner to follow. That's why you need to read through my instructions carefully and completely before executing them.
• Please do not run any tools other than the ones I ask you to, when I ask you to. Some of these tools can be very dangerous if used improperly. Also, if you use a tool that I have not requested you use, it can cause false positives, thereby delaying the complete cleaning of your machine.
  
• All tools we use here are completely clean and do not contain any malware. If your antivirus detects them as malicious, please disable your antivirus and then continue.
• If during the process you run across anything that is not in my instructions, please stop and ask. If any tool is running too much time (few hours), please stop and inform me.
• I visit forum several times at day, making sure to respond to everyone's topic as fast as possible. But bear in mind that I have private life like everyone and I cannot be here 24/7. So please be patient with me. Also, some infections require less, and some more time to be removed completely, so bear this in mind and be patient.
• Please stay with me until the end of all steps and procedures and I declare your system clean. Just because there is a lack of symptoms does not indicate a clean machine. If you solved your problem yourself, set aside two minutes to let me know.
  
• Please attach all report using
  
  button below. Doing this, you make it easier for me to analyze and fix your problem.
  
• Do not ask for help for your business PC. Companies are making revenue via computers, so it is good thing to pay someone to repair it.
• If I don't hear from you within 3 days from this initial or any subsequent post, then this thread will be closed.

Please download Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatibale with your system. If you are not sure which version applies to your system download both of them and try to run them.
Only one of them will run on your system, that will be the right version.

• Double-click to run it. When the tool opens click Yes to disclaimer.
• Press Scan button.
• It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.
• The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.

 

[HeatSieker]

The PC was running so poorly that I had to download the programs on my laptop, and transfer them via usb. I have run FRST and attached the files. Thank you for your time.

 

[TwinHeadedEagle]

Fix with Farbar Recovery Scan Tool

This fix was created for this user for use on that particular machine.

Running it on another one may cause damage and render the system unstable.

​

Download attached fixlist.txt file and save it to the Desktop:

Both files, FRST and fixlist.txt have to be in the same location or the fix will not work!

• Right-click on
  
  icon and select
  
  Run as Administrator to start the tool.
  (XP users click run after receipt of Windows Security Warning - Open File).
• Press the Fix button just once and wait.
• If for some reason the tool needs a restart, please make sure you let the system restart normally. After that let the tool complete its run.
• When finished FRST will generate a log on the Desktop, called Fixlog.txt.

Please attach it to your reply.

Fix with AdwCleaner

Please download AdwCleaner by Xplode and save the file to your desktop.

• Right-click on
  
  icon and select
  
  Run as Administrator to start the tool.
• Follow the prompts and click Scan.
• When finished, please click Clean.
• Upon completion, click Report. A log (AdwCleaner[S*].txt) will open.

Please include the contents of that file in your reply.

Note: Reports will be saved in your system partition, usually at C:\Adwcleaner

Scan with ComboFix

This is a very powerful tool that should be used only if advised by Malware Analyst.
Do not run ComboFix on your own!

Referring to this instruction, please download ComboFix by sUBs and save it to your desktop.
Temporary disable your AntiVirus and AntiSpyware protection - instructions here.

• Right-click on
  
  icon and select
  
  Run as Administrator to start the tool.
• Accept the disclaimer and agree if prompted to install Recovery Console.
• Do not take any actions while ComboFix goes through your System - it may cause it to stall!
• This scan may take some time!
• When finished - it will display a logfile (located also on your main drive, usually C:\ComboFix.txt).

Include that log in your next reply.

If you'll encounter any issues with internet connection after running ComboFix, please visit this link.

If an error about operation on the key marked for deletion will appear after running the tool, please reboot your machine.

 

[HeatSieker]

Ok, done. I am already seeing a marked improvement! Thanks for your speedy replies thus far. Attached are the log files from the above instructions. Awaiting further directions.

Regards

 

[TwinHeadedEagle]

Very good

How is your PC now?

 

[HeatSieker]

Its performing much better!! I'll be setting up my pc to be better protected from future problems by reviewing the security configuration wizard. Thank you so much for your help.

Regards

 

[HeatSieker]

Im not sure, but I think between the time I said thank you and your response, the dllhost32 may have returned. Not as badly as before, I havent visited any sites that would be considered unsafe (yahoo, google, indeed etc). Not sure if the correct course of action would be to follow the above instructions for security or to complete another scan first..

 

[TwinHeadedEagle]

How do you mean dllhost is returned?

 

[HeatSieker]

I may be hasty in saying that, my cpu isnt jacking up to 100% usage as before.


but here is a ss of what my task manager looks like. I am capable of understanding whats going on, but have only devoted enough time to be considered a noob here.

 

[TwinHeadedEagle]

Scan with RogueKiller

Please download RogueKiller and save the file to your desktop.
Temporary disable your AntiVirus and AntiSpyware protection - instructions here.

• Right-click on
  
  icon and select
  
  Run as Administrator to start the tool.
• Wait patiently until the pre-scan will be done. It shouldn't take more than 2-3 minutes.
• Accept the Terms of use.
• When the Scan button becomes available, please click it. RogueKiller will start a full scan.
• Let this process run uninterrupted!.
• When finished, a Report button will become available. Click it. You will be presented with a logfile.

Please include the content of this logfile in your next reply.

 

[HeatSieker]

Results are in.

 

[HeatSieker]

 

[TwinHeadedEagle]

Very good

Now let's delete found items.

Fix with RogueKiller

Please re-run RogueKiller.
Temporary disable your AntiVirus and AntiSpyware protection - instructions here.

• Right-click on
  
  icon and select
  
  Run as Administrator to start the tool.
• Wait patiently until the pre-scan will be done. It shouldn't take more than 2-3 minutes.
• Accept the Terms of use.
• When the Scan button becomes available, please click it. RogueKiller will start a full scan.
• Upon completion, the Delete button will become available. Click it.
• Removal process may take some time. Also your machine may be restarted during this procedure. It's normal.
• Let this process run uninterrupted!.
• When finished, a Report button will become available. Click it. You will be presented with a logfile.

Please include the content of this logfile in your next reply.

 

[HeatSieker]

post delete report

 

[TwinHeadedEagle]

Very good. How is your PC now?

 

[HeatSieker]

It seems to be much better. Now... before anything else happens, according to your previous posts, I should download the additional security software, and configure my pc asap correct?

 

[TwinHeadedEagle]

Yes, you can do it now.


Glad I could help. We will delete all used tools and I'll give you some tips to harden your security and learn how to protect yourself

Recommended reading:
​

MUST READ - security tips:

• Computer Security - a short guide to staying safer online.
• Simple and easy ways to keep your computer safe and secure on the Internet

MUST READ - general maintenance:

• What to do if your Computer is running slowly?

The Importance of Software Updating:
​

In order to stay protected it is very important that you regularly update all of your software. Cybercriminals depend on the apathy of users around software updates to keep their malicious endeavor running.​

Operating systems, such as Windows, and applications, such as Adobe Reader or JAVA, are used by tens of millions of computers and devices around the world, making them a huge target for cybercriminals. Downloading updates and installing them can sometimes be tedious, but the advantages you get from the updates are certainly worth it.

• How to configure and use Automatic Updates in Windows
• How to update Java
• How to update Adobe Reader

Recommended additional software:
​

TFC - to clean unneeded temporary files.

Malwarebytes' Anti-Malware - to scan your system from time to time in search for malware.

Malwarebytes' Anti-Exploit - to prevent plenty of mostly exploited vulnerabilities.

McShield - to prevent infections spread by removable media.

Unchecky - to prevent from installing additional foistware, implemented in legitimate installations.

FiheHippo.com Update Checker - to keep your programs up-to-date.

Adblock - to surf the web without annoying ads!

Post-cleanup procedures:​

Download DelFix by Xplode and save it to your desktop.

• Run the tool by right click on the
  
  icon and Run as administrator option.
• Make sure that these ones are checked:
  • Remove disinfection tools
  • Purge system restore
  • Reset system settings
• Push Run and wait until the tool completes his work.
• All tools we used should be gone. Tool will create an report for you (C:\DelFix.txt)

The tool will also record healthy state of registry and make a backup using ERUNT program in %windir%\ERUNT\DelFix
Tool deletes old system restore points and create a fresh system restore point after cleaning.

My help is free for everybody.
If you're happy with the help provided and/or wish to buy me a beer for the assistance you received, then you can consider a donation:
Thank you!​

Stay safe,
TwinHeadedEagle

 

[HeatSieker]

I have gone over the protect myself procedure and added all of the recommended software. But before i remove the disenfection tools, I want to be sure they are no longer needed. explorer.exe has been crashing, the system is slow again, and I believe the problem gets worse after a roboot. i ran another scan with Rogue killer, and these were my results..
seems as thought there is still a head buried deep that keeps re-growing the rest of the parasite.

 

[TwinHeadedEagle]

Scan with Farbar Recovery Scan Tool

Please re-run Farbar Recovery Scan Tool to give me a fresh look at your system.

• Right-click on
  
  icon and select
  
  Run as Administrator to start the tool.
  (XP users click run after receipt of Windows Security Warning - Open File).
• Make sure that Addition option is checked.
• Press Scan button and wait.
• The tool will produce two logfiles on your desktop: FRST.txt and Addition.txt.

Please include their content into your next reply.