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malware with hijack/redirect to fake sites: nginx, isearch.avg, partne


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#31
jorgeanchovy

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Hi Render,

Farbar Service Scanner Version: 26-07-2012
Ran by Peter (administrator) on 02-08-2012 at 15:47:22
Running from "C:\Users\Peter\Desktop"
Microsoft Windows 7 Professional Service Pack 1 (X64)
Boot Mode: Normal
****************************************************************

Internet Services:
============

Connection Status:
==============
Localhost is accessible.
LAN connected.
Google IP is accessible.
Google.com is accessible.
Yahoo IP is accessible.
Yahoo.com is accessible.


Windows Firewall:
=============

Firewall Disabled Policy:
==================


System Restore:
============

System Restore Disabled Policy:
========================


Action Center:
============

Windows Update:
============

Windows Autoupdate Disabled Policy:
============================


Other Services:
==============

sharedaccess Service is not running. Checking service configuration:
The start type of sharedaccess service is set to Auto
The ImagePath of sharedaccess service is OK.
The ServiceDll of sharedaccess service is OK.


File Check:
========
C:\Windows\System32\nsisvc.dll => MD5 is legit
C:\Windows\System32\drivers\nsiproxy.sys => MD5 is legit
C:\Windows\System32\dhcpcore.dll => MD5 is legit
C:\Windows\System32\drivers\afd.sys => MD5 is legit
C:\Windows\System32\drivers\tdx.sys => MD5 is legit
C:\Windows\System32\Drivers\tcpip.sys => MD5 is legit
C:\Windows\System32\dnsrslvr.dll => MD5 is legit
C:\Windows\System32\mpssvc.dll => MD5 is legit
C:\Windows\System32\bfe.dll => MD5 is legit
C:\Windows\System32\drivers\mpsdrv.sys => MD5 is legit
C:\Windows\System32\SDRSVC.dll => MD5 is legit
C:\Windows\System32\vssvc.exe => MD5 is legit
C:\Windows\System32\wscsvc.dll => MD5 is legit
C:\Windows\System32\wbem\WMIsvc.dll => MD5 is legit
C:\Windows\System32\wuaueng.dll => MD5 is legit
C:\Windows\System32\qmgr.dll => MD5 is legit
C:\Windows\System32\es.dll => MD5 is legit
C:\Windows\System32\cryptsvc.dll => MD5 is legit
C:\Windows\System32\svchost.exe => MD5 is legit
C:\Windows\System32\rpcss.dll => MD5 is legit


**** End of log ****

Thanks,

Peter
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#32
Render

Render

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Hmmm... Looks good. We can try to assign static IP address to your computer.

Please go here and follow instructions there how to do it and use following values:

For IP address type: 10.0.0.10
Subnet mask: 255.255.255.0
For Default gateway type: 10.0.0.1

Preferred DNS server: 8.8.8.8
Alternate DNS server: 10.0.0.1

Then test it.
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#33
jorgeanchovy

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Render,

One question on this. Reminder: I have two machines going on this connection. Should I do this on both, or just the one?

Thanks,

Peter
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#34
Render

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No. Do it only on this problematic one.
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#35
jorgeanchovy

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Hi,

Used all day Fri with no disconnects (with the new setting). I use this machine a lot less on weekends. Can give you an update end of monday.

Thanks,

Peter
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#36
Render

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OK :thumbsup:
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#37
jorgeanchovy

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Render,

I have had no more disconnects from Internet service.

1) what do we learn from the fact that automatically assigning IP causes problems while static IP does not?

2) is there any downside to this setting that I will experience?

Thanks,

Peter
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#38
Render

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Hi,

1) Obviously your router have problems with assigning IP addresses. That's nothing new for cheap devices.

2) No if you use your computer only at home. But there can be problems with network connectivity in other networks. In second case I recommend you to repair or replace your router/access point device.

Your logs shows that your system is clean. If you have no further issues with your computer, then please proceed with the following housekeeping procedures outlined below.

Removing the tools we used:

Uninstall ComboFix

Remove Combofix now that we're done with it.
  • Please press the Windows Key and R on your keyboard. This will bring up the Run... command.
  • Now copy/paste this: ComboFix /Uninstall in the runbox and click OK. Note the space between the X and the /Uninstall, it needs to be there.

    Posted Image

  • Please follow the prompts to uninstall Combofix.
  • This will uninstall Combofix, delete its related folders and files, reset your clock settings, hide file extensions, hide the system/hidden files and resets System Restore again.
  • You will then recieve a message saying Combofix was uninstalled successfully once it's done uninstalling itself.

NEXT...

OTL Clean-Up:

  • Reopen Posted Image on your desktop.
  • Click on Posted Image
  • You will be prompted to reboot your system. Please do so.

If you still have any tools or logs leftover on your computer you can go ahead and delete those off of your computer now.


There are a few things I recommend you to do once your computer is completely clean:

Updates for Windows - One of the essentials is to keep your computer updated with the latest operating system patches and security fixes. Windows Updates are constantly being revised to combat the newest hacks and threats, Microsoft releases security updates that help your computer from becoming vulnerable. It is best if you have these set to download automatically.

How to turn on Automatic Updates for Windows:

Updates for other installed software

A common attack method for hacking attempts and malware installs is to exploit known vulnerabilities in programs that are commonly installed on a person's computer. These vulnerabilities could allow a remote user or malware developer to install malware, keyloggers, and backdoors on to your computer without your knowledge or permission.
Some of the programs that are commonly exploited include Adobe Shockwave, Adobe Reader, Sun Java, Adobe Flash, and even Windows itself. Therefore it is crucial that everyone remain vigilant as to when a security vulnerability is found in our installed programs and to update it when a security update is released. Unfortunately, no one has the time to stay on top of these updates, which can happen frequently.

I highly recommend you to install Secunia Personal Software Inspector (PSI) that can be used to scan your computer for known vulnerable programs, provide information on the vulnerability, and provide a location to an update for the vulnerable program. A tutorial on how to use Secunia Personal Software Inspector (PSI) can be found here: Keep Software Updated with Secunia PSI.

Web Browsers - Picking the right internet browser is very important. You need to find one that suits your needs but that is also safe. All browsers listed below are far more secure than Internet Explorer, immune to almost all known browser hijackers, and also have the best built-in pop up blockers.

Although, if you prefer staying with Internet Explorer I highly recommend you do this :

Make Internet Explorer more secure:
  • Click Start > Run
  • Type Inetcpl.cpl & click OK
  • Click on the Security tab
  • Click Reset all zones to default level
  • Make sure the Internet Zone is selected & Click Custom level
  • In the ActiveX section, set the options Download signed and unsigned ActiveX controls to Prompt, and Initialize and Script ActiveX controls not marked as safe to Disable.
  • Next click OK, then Apply button and then OK to exit the Internet Properties page.

Tips to protect yourself against malware and reduce the potential for re-infection:

Now after all these steps, your PC will be more secure. However it is important to note that you can still get infected if you are not careful. One of the best security programs you can have is common sense. As malware gets more sophisticated, you need to be more wary. If you do get caught though and the above steps can't help prevent it, we will be here to help you out.

Stay secure and thank you for choosing GeeksToGo.
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#39
Render

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Since this issue appears to be resolved ... this Topic has been closed. Glad we could help. :)

If you're the topic starter, and need this topic reopened, please contact a staff member with the address of the thread.

Everyone else please begin a New Topic.
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