Crytowall 3.0 and "Malicious Website Blocked: C:/Windows/SysWOW64/dllhost.exe"

[coronadobum]

I am hoping someone can help me remove the Crytowall 3.0 malware as well as any malware which causes the message "Malicious Website Blocked: C:/Windows/SysWOW64/dllhost.exe" to pop up in malwarebytes. Any assistance is greatly appreciated.

 

[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 for the repair.
• If I don't hear from you within 3 days from this initial or any subsequent post, then this thread will be closed.

Rules and policies

We won't support any piracy.
That being told, if any evidence of illegal OS, software, cracks/keygens or any other will be revealed, any further assistance will be suspended. If you are aware that there is this kind of stuff on your machine, remove it before proceeding!
The same applies to any use of P2P software: uTorrent, BitTorrent, Vuze, Kazaa, Ares... We don't provide any help for P2P, except for their removal. All P2P software has to be uninstalled or at least fully disabled before proceeding!

Failure to follow these guidelines will result with closing your topic and withdrawning any assistance.

Scan with ESET Online Scanner

This step can only be done using Internet Explorer, Google Chrome or Mozilla Firefox.
Temporary disable your AntiVirus and AntiSpyware protection - instructions here.
Please visit ESET Online Scanner website.
Click there Run ESET Online Scanner.

If using Internet Explorer:

• Accept the Terms of Use and click Start.
• Allow the running of add-on.

If using Mozilla Firefox or Google Chrome:

• Download esetsmartinstaller_enu.exe that you'll be given link to.
• Double click esetsmartinstaller_enu.exe.
• Allow the Terms of Use and click Start.

To perform the scan:

• Make sure that Remove found threats is unchecked.
• Scan archives is checked.
• In Advanced Settings: Scan for potentially unwanted applications, Scan for potentially unsafe applications and Enable Anti-Stealth technology are checked.
• Click Start
• The program will begin to download it's virus database. The speed may vary depending on your Internet connection.
• When completed, the program will begin to scan. This may take several hours. Please, be patient.
• Do not do anything on your machine as it may interrupt the scan.
• When the scan is done, click Finish.
• A logfile will be created at C:\Program Files (x86)\ESET\ESET Online Scanner. Open it using Notepad.

Please include this logfile in your next reply.Don't forget to re-enable previously switched-off protection software!

 

[coronadobum]

First of all, Thank You! I have ran the ESET scanner (log file attached) and it found 4,521 infected files. Hopefully I can get rid of these. Please let me know what the next steps are.

 

[TwinHeadedEagle]

Excellent. Did you remove all found threats?

 

[coronadobum]

Nope ... I was waiting for your direction. I ran the software and per your direction didn't check the box to remove found threats. I will do that now.

Are there any steps after that?

 

[TwinHeadedEagle]

Remove all found items.

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.

 

[coronadobum]

I am trying to re-run the ESET tool and im getting a box that says "Add on for this website failed to run". I had rerun it after the first time and it got hung up it seems like (screen shot attached). I stopped it and it asked it I wanted to remove infected files and apps on restart and I clicked yes. I then restarted my computer twice and I'm still getting the same issues as before "Cryptowall 3.0 & the DLLhost popups". Any ideas on what the next steps should be?

 

[coronadobum]

I was able to get it running again messing around with the ActiveX settings. I'll let you know the outcome.

 

[TwinHeadedEagle]

Remove all found items.

 

[coronadobum]

ESET scanner keeps getting hung up on the "D:\upgrade\netfx\netfxupdate.exe" file this is the same one it got hung up on last time I did the scan and it ran for 3+ hours. It says there are 2,234 infected files vs. 4,494 infected files last time I ran it.

I have deleted the files and am running ESET again.

 

[TwinHeadedEagle]

Okay. When you finish, run FRST scan again.

 

[coronadobum]

Do I need to restart before I run FRST? Also, ESET scanner keeps getting hung up on the "D:\upgrade\netfx\netfxupdate.exe" No I need to stop the scan process .... It is now saying there are 4,415 infected files.

 

[coronadobum]

Attached are the FRST logs. Please let me know what the next steps are.

thanks,

 

[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.