Windows 7 Can not connect to Microsoft Website

Posted on 2013-01-05
Last Modified: 2013-01-07
I have a windows 7 workstation on our domain, that had to have  windows 7 pro reinstalled.  Can connect to the domain and to several sites on the internet, but can not connect to microsoft to do windows updates.  I notice that the machine connects to the website with internet explorer 8, but can not receive a reply from the websites.  

Can access google and some of the links.  

Tried disabling windows firewall, but still unable to connect to many websites.  No antivirus programs installed yet either.  Drive was reformatted and windows 7 was installed clean.

Not sure what might be causing this.  DNS and DHCP looks fine.  All other stations on network connect fine and this machine connects to the network and shares fine.
Question by:Tomxls
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LVL 47

Expert Comment

ID: 38748520
"can not connect" is pretty vague.  Please elaborate.  The windows event log will probably reveal exactly what is going on.

what does IPCONFIG /ALL report?  [Run this from the MSDOS command box] - maybe routing not set up properly?
LVL 30

Expert Comment

ID: 38748536
you should check if you have a fake in your local resolver cache

you shouldn't be using ie8 anymore you should have a browser choice installed as M$ have introduced silent automatic updates to the latest version I recently installed a windows 8 machine for a customer and got a support question ie has disappeared but it hadn't instead the user didn't notice on the right (off the screen) she had a browser choice tile instead of an ie tile as where the ie tile had been it was now blank

also how are you running windows update its now in Control Panel\All Control Panel Items\System
down on the left
LVL 42

Accepted Solution

Davis McCarn earned 500 total points
ID: 38748576
I smell an MBR Trojan or something which reurned the instant you rejoined the domain.  Boot record and MBR Trojans will often survive formatting.
Try running Roguekiller to see if it finds anything:
LVL 50

Expert Comment

ID: 38748723
" I notice that the machine connects to the website with internet explorer 8, but can not receive a reply from the websites. "
Could you please explain this?

Any reason not to use IE9?

Is your Flash Player up to date?

Author Comment

ID: 38748772
Thanks Davis..
I ran a couple of scans and the first one found before reformatting an reinstalling, a file win32/trojandownlader that it cleaned and deleted.  Sorry I can not remember the exact name, I don't have it with me.

I will try the rogue killer and see if that finds it.  Malwarebytes did not find it after the reinstall.  I was previously running Eset for virus protection.

One on the comments said I need to install flash player, but I should be able to connect to without that I would think?  

I will run another scan and see if that picks up anything.  I will also reboot our gateway incase there is a bad route saved in the cache.
LVL 24

Expert Comment

ID: 38748943
run a tracert as well..


Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.


Tracing route to []
over a maximum of 30 hops:

  5     *       43 ms    42 ms
  6     *       68 ms     *
  7    71 ms    70 ms    68 ms [
  8    95 ms    94 ms    94 ms [

It wasnt replying after # 8 but it shows me that it got to Microsoft..

Also try running this :
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Author Comment

ID: 38748962
tracert does not work through our asa.  icmp I believe is disabled in the router.
LVL 42

Expert Comment

by:Davis McCarn
ID: 38749024
With several Trojans, unless you delete all of the partitions, cycle power, and then do a fresh install. the MBR or boot code instantly gets reinfected from the ram resident portion.  Most of the time RogueKiller detects them.
No, you shouldn't need Flash to access MS.

Author Comment

ID: 38749169
Thanks Davis..I will give that a try and let you know what happens
LVL 23

Expert Comment

ID: 38749208
Check you hosts file for any rogue entries that would block access to MS sites
It's a hidden read-only text file

LVL 30

Expert Comment

ID: 38750112
you should check start run cmd and type ipconfig /displaydns I suspect fake entries

Author Comment

ID: 38750916
Thanks Davis.....

Rouge Killer found 3 registry entries and that seemed to fix the problem...

The trojan I believe was trojandownloader.vespula.AY.  Not sure how it got on the machine, but Eset and Malwarebytes did not clean it.

Really appreciate your help!!!

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