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Virus removal guidelines for Windows

(*** Disclaimer: If you do not feel comfortable doing any of the following procedures, please contact a local computer service company like Geeks in Phoenix. You will need a second computer connected to the internet for the following. Proceed at your own risk! ***)

Signs you may be infected:

  • You get ‘Pop Ups’ alerting you that your computer may be infected from software you do not remember installing.
  • You may have new software icons you did not have before on your desktop.
  • You may find your anti-virus software alerts you of a threat, but is no longer working.
  • You may not be able to get to a particular web site or not even be able to get on the internet at all.

The following is a general guideline to detecting and removing a virus from your computer. As always, have a good working backup before attempting any of these procedures.

  1. Isolate the suspected computer by disconnecting the network cable or turning off the wifi adapter. This will stop anything from getting on your network to infect other systems and getting to the internet to make connection with its author and/or server.
  2. Turn off ‘System Restore’ on all hard drives. Find a ‘My Computer’ icon and right click on it. Choose ‘Properties. Then select the tab named ’System Restore’. Select the check box ‘Turn off System Restore on all drives’ and click ‘Apply’

You now have stopped the ability to get outside of the computer and the ability to be restored from a ‘restore point’. It’s now time to get to work.

Depending on the severity of the infection, I will use either USB drives or finalized cd-r’s to install software. With the newer infections that can write across networks and to any writable media (floppy, memory card, USB drives, etc.), it's best just to grab a bunch of cd-r’’s and write all of the different software you’ll need to cd.

First thing, go over to Malwarebytes’ https://www.malwarebytes.com/ and download a copy of their Anti-Malware program. Put it on your choice of media and install on the suspected computer. Then select ‘Perform quick scan’ and click ‘Scan’.

Allow the program to take what ever actions required (which may include a reboot). Once the program has finished, let’s proceed to scan for viruses.

(***Disclaimer: Never install more than one anti-virus program on a system.***)

If you have anti-virus software, check it to find out if it is still working. A lot of infections will disable your anti-virus. If this is the case, reinstalling it may get it to work again. If this doesn’t work, you will need to uninstall it completely, so you can reinstall a new copy of the antivirus software. Once this is done do a complete scan of the system.

If you do not have any anti-virus, go over to AVG Free https://www.avg.com and download a copy. Also download the latest definition files. Put all of the files on media and install the anti-virus. Once installed, you can upgrade the definitions by selecting ‘Update from file’ when you have the program open. Then do a complete scan of the system.

(***Disclaimer: Before installing a firewall in Windows XP / Vista, disable the Windows Firewall in the Control Panel first. Also, never install more than one software firewall on a system.***)

Once you have run both Malware and an anti-virus scan on the system, you should have a good hand on the situation.

(*** If you are still having issues that you’re anti-virus and/or spyware software cannot remove, please seek professional assistance. ***)

Before attempting to reconnect the suspect system to the internet, make sure that you have a software and/or hardware firewall in place. I use both a hardware firewall behind my internet connection and software firewalls on the servers / workstations.

For more information on Free Internet Security Software, check out this blog entry:

Free Internet Security Software

And for a detail description of one of the worst cases of infection I have seen yet, check out this blog entry:

Virus Removal

Till later,
Scott

Free Internet Security Software

Here is a list of four free Internet Security programs I recommend for those on a budget. Keep in mind that free software often comes with limitations, but are fully functional. Some of them require manual updating, but that is a small price to pay for great free software. Let us start with an Anti-Virus program:

(***Disclaimer: Never install and run two anti-virus programs on the same system.***)

AVG Free https://www.avast.com/

Upside: Here is a fully functional Anti-Virus program that has Anti-Virus, Anti-Spyware, E-mail, and link scanners. The program is fully automatic in updating itself. It can be updated from a file (USB drive) when you have to quarantine a system by disconnecting it from the internet/intranet.
Downside: There is no free technical support. Support for this product is sold at blocks of 15 minutes.

Next is a Firewall program:

(***Disclaimer: Before installing a firewall in Windows XP / Vista, disable the Windows Firewall in the Control Panel first. Moreover, never install and run two software firewalls on the same system.***)

ZoneAlarm http://www.zonealarm.com/

Upside: The program is fully automatic in updating itself.
Downside: It only provides inbound and outbound protection, but does it in full stealth mode. It also requires internet access to install.

Let us now look at two free spyware/malware programs. My first choice is Malwarebytes Anti-Malware. Note: I ranked Malwarebytes first only because it can be installed and run without the need for internet access (I use USB drives for installing software on quarantined systems).

Malwarebytes Anti-Malware https://www.malwarebytes.com/

Upside: It is an excellent malware program. It can be installed and run without internet access (always download the latest version first).
Downside: You have to open the program and manually update it.

Spybot https://www.safer-networking.org/

Upside: It is an excellent spyware scanner with many features, including an ‘Immunization’ feature for your internet browser. It can also update itself when the program is started.
Downside: It requires internet access to install. Not a good thing if you have to quarantine a system by disconnecting it from the internet/intranet.

Customer service is #1

Here at Geeks in Phoenix, we take pride in providing excellent customer service. We aim to give the highest quality of service  from computer repair, virus removal, and data recovery.

Bring your computer to us and save

Diagnosing PC problems can be time-consuming. From running memory checking software to scanning for viruses, these are processes can take some time. We base our in-shop service on the actual time we work on your computer, not the time it takes your computer to work!

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Professional service at an affordable price!
4722 East Monte Vista Road
Phoenix, Arizona 85008
(602) 795-1111

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Geeks in Phoenix is an IT consulting company specializing in servicing laptop and desktop computers. Since 2008, our expert and knowledgeable technicians have provided excellent computer repair, virus removal, data recovery, photo manipulation, and website support to the greater Phoenix metro area.

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