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Possible infection? Various small problems including https connection issues


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#1 mhl

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Posted 14 April 2015 - 03:44 PM

I've been directed here from this post in the "Am I Infected? What Do I Do?" section. I've attached the FRST logs to this post. 

 

I've had some strange PC problems over the last 6 weeks or so. Initially I thought it was a software problem, but now I'm beginning to think I've been infected.  The problems appear to be related to https and secure connections, though they vary in severity / type.  

 

I'm on Win7 32 bit Professional with SP1

 

Symptoms

  • Outlook kept crashing when using MS Exchange connection (pop3 only was ok)
  • VPN wouldn't connect, then crashed
  • Chrome wouldn't serve https pages. They just gave me ERR_TIMED_OUT after 2 mins or so. 
    (One example - my bank's http home page would load, but when I tried to login to online banking, that page wouldn't).  
    More details here fwiw. 
  • Browser downloads refusing to complete - sometimes they stop halfway, other times at 100% but without completing

The symptoms are not consistent - sometimes it's just one, other times the whole lot. Sometimes none at all.   The https browser problem varies - sometimes I can't get https pages at all, other times they're just very slow loading.

 

 

What I've Tried

 

Initially I ran MBAM, adwcleaner, SuperAntiSpyware, JRT and ESET online scanner. I didn't see anything particularly bad in there, but that appeared to fix the problem. Until a week later I began having trouble again. Just Outlook this time.  Browser and VPN worked fine.  Ran the tools again.  All good.  A week later VPN wouldn't work again and couldn't get https in the browser. But Outlook was OK. 

 

Yesterday I thought I would try some more aggressive cleaning.  I downloaded some tools I hadn't tried before like ComboFix and TDSSKiller.  JRT seemed to run ok (although  at the beginning it always gives me the message "cannot update, unable to ping").  When I tried to launch adwcleaner, it wouldn't run (just got the spinning circle forever).  Same for rkill. I changed the name of the rkill.exe file to something random. That then ran.  I tried the same trick with adwcleaner, but that didn't work.  I ran TDSSKiller - that came up with 0 threats. 

 

Additionally, yesterday I was unable to Set Default Programs / File Associations in Windows. However today that seems fine. 

Attached Files


Edited by mhl, 14 April 2015 - 04:15 PM.


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#2 mhl

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Posted 17 April 2015 - 07:01 AM

Since posting this I have spent more time looking into the https problems.  I'm still getting problems with VPN and Outlook from time to time.  Browser issues appear to be limited to Chrome (FF is ok).

 

Therefore following the instructions on this page, I took these steps:   

 

  1. Checked Proxy Settings - There seems nothing untoward here, I'm pretty sure it's not a proxy issue
  2. Flushed the DNS from command line (ipconfig/flushdns)
  3. Removed any broswer add ons / extensions
  4. Released and renewed IP address from the command line (ipconfig/release  and  ipconfig/renew)
  5. Uninstalled and reinstalled Chrome
  6. Cleared browsing history, temp files & cleared cache
  7. Tried turning off antivirus (AVG) and firewall (Win firewall)

I did notice something odd when pinging.

 

The first packet always timed out (25% loss).  I read that this is to be expected when pinging an address for the first time in a while, but that a second ping immediately after should not do this.

 

But I get this every time I ping anything - including my router (192.168.0.1) and network card (127.0.0.1).  From my limited understanding it appears as if nothing is being stored in the ARP cache. I have tried clearing the ARP cache but this didn't make any difference. 


Edited by mhl, 17 April 2015 - 07:16 AM.


#3 HelpBot

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Posted 19 April 2015 - 03:45 PM

Hello and welcome to Bleeping Computer!

I am HelpBot: an automated program designed to help the Bleeping Computer Staff better assist you! This message contains very important information, so please read through all of it before doing anything.

We apologize for the delay in responding to your request for help. Here at Bleeping Computer we get overwhelmed at times, and we are trying our best to keep up. Please note that your topic was not intentionally overlooked. Our mission is to help everyone in need, but sometimes it takes just a little longer to get to every request for help. No one is ignored here.

To help Bleeping Computer better assist you please perform the following steps:

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CLICK THIS LINK >>> http://www.bleepingcomputer.com/logreply/573230 <<< CLICK THIS LINK



If you no longer need help, then all you needed to do was the previous instructions of telling me so. You can skip the rest of this post. If you do need help please continue with Step 2 below.

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  • If you have not done so already, include a clear description of the problems you're having, along with any steps you may have performed so far.
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Thank you for your patience, and again sorry for the delay.

***************************************************

We need to see some information about what is happening in your machine. Please perform the following scan again:

  • Download FRST by Farbar from the following link if you no longer have it available and save it to your destop.

    FRST Download Link

  • When you go to the above page, there will be 32-bit and 64-bit downloads available. Please click on the appropriate one for your version of Windows. If you are unsure as to whether your Windows is 32-bit or 64-bit, please see this tutorial.
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#4 mhl

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Posted 28 April 2015 - 10:02 AM

Hi, 

 

I am just running FRST again now and will post the logs. 

 

There is a section towards the end of FRST logs: "Files to move or delete".  These are all kosher, created by myself. 

 

The problems are still the same.  But I've had no further instances of specifically 'virusy' behaviour (programs not running, not being able to set default programs in Windows). 

 

I should say, sometimes I have to go offline for a few days, often with little or no warning.  So if I appear to have gone AWOL on this post, please be patient.  I appreciate your time and will always get back. 

 

Cheers


Edited by mhl, 28 April 2015 - 10:09 AM.


#5 mhl

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Posted 28 April 2015 - 10:03 AM

FRST log attached. 

Attached Files

  • Attached File  FRST.txt   62.12KB   1 downloads


#6 mhl

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Posted 30 April 2015 - 02:43 PM

Hi guys. 

 

I gave up the struggle and nuked windows. So I guess my thread is now dead. Still I really appreciate the help available on this site, and no doubt I will be back one day :)

 

Cheers



#7 Oh My!

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Posted 30 April 2015 - 06:58 PM

Sorry for the delay and we apologize for not getting to you in time. Things are very busy these days.

 

I trust the wait won't be as long if there is a next time.


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#8 Oh My!

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Posted 30 April 2015 - 06:58 PM

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.
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