Viruses are a huge
headache! A computer infected with a virus (or malware, spyware, etc.) is
something I see often and can cause major problems - everything from slowing
your computer to a crawl to taking over your web browser or even your whole
computer. Removing a virus infection can seem like a monumental task. This is a
quick guide and one (of the many) ways I like to remove a virus from a
computer.
The first thing you have
to do is run a full virus scan (you do have virus protection right?!). I
recommend using avast! anti-virus, it's a great product. If you don't have
anti-virus software installed get some installed now!
If you already ran a
virus scan and it didn't fix your problem, you've probably come to a point
where you need a little more help. The best way, I've found, to tackle a virus
in Windows, is to first:
1 - Boot into Safe Mode
with Networking. To boot into Safe Mode with Networking, restart your computer.
As your computer restarts press and hold the F8 key on your keyboard. This will
bring you to a black screen called Advanced Boot Options. Choose Safe Mode with
Networking.
2 - After in Safe Mode I
head over to Bleeping Computer and download Combofix. This is a great, free
tool to use on badly infected computers. Combofix is probably the number one
tool I use when tackling bad virus infections. If you have anti-virus software
installed, Combofix will warn you that you have to disable it before
continuing. If after disabling the anti-virus software, it still warns me, I'll
go ahead and uninstall the anti-virus software (the PC is already infected, so
it won't make any difference taking it off!)
Combofix will go through
about 50 steps before rebooting and finishing up. Let Combofix run all the way
through and don't turn off the computer or use it until it's done. Bleeping
Computer has a guide to using Combofix here.
3 - At this point your
computer should have rebooted. After Combofix is done running and cleaning the
infections be sure to install and/or update your anti-virus software and run a
full scan.
4 - Next, download and
run Malwarbyte's Anti-Malware PRO. Choose "Perform full scan" and
click the "Scan" button. This will usually find what's left lurking
on your system. It might take 20 minutes to an hour or more to run, depending
on how many drives you have and how much data you have on them. Malwarbyte's
Anti-Malware tends to do more of a "deep" scan of your drives and
files and is a great tool to use.
5 - Be sure your
firewall is turned on. Windows has a built-in firewall and it works great.
Firewalls help keep intruders out of your computer. Here's the link to
Microsoft's site for more detail. To check it's status, click Start (or in
Windows 8, while at the start screen) and type "windows firewall".
Click the Windows Firewall icon to check the status.
That's it - your
computer should be virus-free! Make sure you have antivirus software installed,
Windows is up to date, your firewall is turned on and you practice safe web
browsing to stay clear of viruses in the future.
Get more FREE information
at the Denver Computer Mechanics website:
Denver Computer Mechanics
Denver Computer Mechanics
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