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All internet browsers extremely slow after malware removal


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#1 outtawack311

outtawack311

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Posted 07 June 2015 - 08:49 AM

Good Morning,

 

I am finally getting around to fixing a problem that has been going on for a while. After downloading and removing some unfortunate malware/virus a few major issues started to occur on my Windows 8.1 machine with 8GB ram and an i-5 processer and integrated graphics. 

 

1. All browser open very very slow. It takes a good 45 seconds for a new tab to open up, another minute to make it to any website (even www.google.com). Once they are open I can switch between tabs at a mostly normal pace

2. In the tile screen typing any search is slow. Not anywhere near as bad as the browsers, but it still should be quicker.

3. Google chrome doesn't allow me to install adblock through the app store. It says network failed.

4. I can't flush the dns on the computer. This is a new one for me. I tried fixing it this morning by making sure the DNS service was running and by checking the host files, but nothing worked. I still get “Could not flush the DNS Resolver Cache: Function failed during execution"

 

What have I tried so far?

 

1. Malwarebytes

2. CCleaner

3. Windows defender

4. Checking startup processes and running processes to check for obvious issues.

5. I have a hijackthis log, but haven't posted it yet.

6. Uninstalling the internet browser programs as completely as I can.

 

This computer should be waaaaaaaay faster than it's running. I have periodically sat down and tried to figure it out over the last couple of months and I am stuck.

 

Since this did start with Malware I also posted a hijackthis log (definitely still some things in it) here


Edited by outtawack311, 07 June 2015 - 10:56 AM.


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#2 hamluis

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Posted 07 June 2015 - 11:32 AM

Reference:  http://www.bleepingcomputer.com/forums/t/578709/slow-computerbrowser-started-with-malware-continuing-after/#entry3728025 .

 

Now that you have properly posted a malware log topic, you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a MRT Team member, nor should you ask for help elsewhere. Doing so can result in system changes which may not show in the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on, the MRT Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the MRT Team members are EXTREMELY busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the MRT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another MRT Team member is already assisting you and not open the thread to respond.

It may take several days to get a response but your log will be reviewed and answered as soon as possible. I advise checking your topic once a day for responses as the e-mail notification system is unreliable.

If HelpBot replies to your topic, PLEASE follow Step One so it will report your topic to the team members.

To avoid confusion, I am closing this topic.

Louis






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