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Cannot Connect to IE or Firefox


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8 replies to this topic

#1 daic

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Posted 15 September 2010 - 08:43 PM

Hello again,

I am helping fix a friends home computer. It is a Dell Dimension E310 - P4 2.80GHz - SP3 - 1gb Ram -.

They had a major virus hit (one where even windows was saying to scan) and i have seemed to be able to remove most of the issues using AVG- Malwarebytes- and MSE. Malwarebytes caught most of it, to be sure i ran full scans of AVG and MSE, as well as the online scan from the Windows Live site.

I am able to update AVG and other programs, however when i open IE (i can provide the diagnostic log if needed) or Firefox (on page the proxy server is refusing connections) it stated it cannot connect, but even just now, when i opened Firefox it detected an update and installed it just fine.

There is no active Firewall so there should be no blocked connections.

I can provide any scan logs needed.

Thanks in advance for your help!

~daic

Edited by daic, 15 September 2010 - 08:44 PM.

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#2 hamluis

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Posted 15 September 2010 - 08:56 PM

There should not be a proxy server established....if your settings reflect one, that's probably your problem.
]
Some malware items establish proxy servers to disrupt/control user access to the Internet.

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#3 daic

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Posted 15 September 2010 - 09:07 PM

Yes, I had assumed that the virus was still lurking in the corners.

I have not tinkered with proxy settings too much, where should i go to setup for a normal DHCP service.

~daic

            Desktop | Laptop

  • [OS] Windows 10 Pro x64 | 17.3" Touchscreen Windows 10 Pro x64
  • [Motherboard] Intel DZ87KLT-75K
  • [Power Supply] Zalman ZM850-HP Plus 850W
  • [HDD] Seagate Hybrid STCL2000400 2TB | 256 GB SSD
  • [Case] Zalman GS1200
  • [CPU] i5-4440 Processor | Lenovo Y70 Touch (80DU00ESUS) Intel Core i7 4720HQ (2.60 GHz)
  • [Memory] CORSAIR DOMINATOR 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 | 16 GB Memory
  • [Graphics] ASUS DirectCU II Radeon R9 270X 2GB 256-Bit GDDR5 | NVIDIA GeForce GTX 960M 4GB GDDR5

#4 NpaMA

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Posted 15 September 2010 - 09:44 PM

http://support.mozilla.com/en-US/kb/Firefo...er+programs+can

Go down "FireFox Connection Settings" and select "No proxy" as they describe.

#5 Broni

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Posted 15 September 2010 - 09:59 PM

Internet Explorer Proxy settings:
  • Open Internet Explorer > click Tools > Internet Options > Connections tab.
  • Click the LAN Settings... button and UN-check Use a proxy server for your LAN or change the settings to the proxy you normally use if you previously reconfigured it.
  • Remove any unknown addresses from the Address box. 80 is the default Port so it does not have to be changed.
  • Click OK... then click OK again.
  • Close Internet Explorer and restart the computer.
  • An example of how to do this with screenshots can be found HERE
Firefox Proxy settings:
  • Open Firefox, click Tools > Options > Advanced and click the Network Tab.
  • Under the Connection section click on the Settings... button.
  • Under Configure Proxies to Access the Internet, check No proxy. This is the default option if you don't use a proxy.
  • Click OK... then click OK again.
  • Close Firefox and restart the computer.
  • An example of how to do this with screenshots can be found HERE
For other browsers, please refer to How to configure browser proxy settings.

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#6 daic

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Posted 15 September 2010 - 10:08 PM

Thanks, like i said i havent had that problem show personally. Am able to get IE and Firefox to load pages now.
Is there any scan reports i may attach to verify there is no traces left over from the infection?

~daic

EDIT: I ask because the System Restore function was not working.

Edited by daic, 15 September 2010 - 10:11 PM.

            Desktop | Laptop

  • [OS] Windows 10 Pro x64 | 17.3" Touchscreen Windows 10 Pro x64
  • [Motherboard] Intel DZ87KLT-75K
  • [Power Supply] Zalman ZM850-HP Plus 850W
  • [HDD] Seagate Hybrid STCL2000400 2TB | 256 GB SSD
  • [Case] Zalman GS1200
  • [CPU] i5-4440 Processor | Lenovo Y70 Touch (80DU00ESUS) Intel Core i7 4720HQ (2.60 GHz)
  • [Memory] CORSAIR DOMINATOR 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 | 16 GB Memory
  • [Graphics] ASUS DirectCU II Radeon R9 270X 2GB 256-Bit GDDR5 | NVIDIA GeForce GTX 960M 4GB GDDR5

#7 Broni

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Posted 15 September 2010 - 11:02 PM

With the information you have provided I believe you will need help from the malware removal team. I would like you to start a new thread and post a DDS log HERE and include a link to this thread. Please make sure that you read the information about getting started before you start your thread.

It would be helpful if you post a note here once you have completed the steps in the guide and have started your topic in malware removal. Good luck and be patient. Help is on the way!

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#8 daic

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Posted 17 September 2010 - 05:23 AM

Thanks Broni --

Ill be busy the next couple of days but when i am able to get the DDS log saved I will post back here and do the steps requested in your answer.

Thanks again everyone
~daic

EDIT: To be sure, when i get to the log, did you also want a GMER Log as well?

Edited by daic, 17 September 2010 - 05:26 AM.

            Desktop | Laptop

  • [OS] Windows 10 Pro x64 | 17.3" Touchscreen Windows 10 Pro x64
  • [Motherboard] Intel DZ87KLT-75K
  • [Power Supply] Zalman ZM850-HP Plus 850W
  • [HDD] Seagate Hybrid STCL2000400 2TB | 256 GB SSD
  • [Case] Zalman GS1200
  • [CPU] i5-4440 Processor | Lenovo Y70 Touch (80DU00ESUS) Intel Core i7 4720HQ (2.60 GHz)
  • [Memory] CORSAIR DOMINATOR 16GB (4 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 | 16 GB Memory
  • [Graphics] ASUS DirectCU II Radeon R9 270X 2GB 256-Bit GDDR5 | NVIDIA GeForce GTX 960M 4GB GDDR5

#9 Broni

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Posted 17 September 2010 - 04:10 PM

Don't post any logs here, but in malware forum (re-read my last reply, please).

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