Computers and Viruses

History shows that in 1982 a man called Rich SkrentaIf we check the news we will see things like
made the first virus and put it "in the wild". ThisReverseClick.A is a Trojan that disables some of your
means that the virus infected systems other thanprimary programs like task manger and registry
the one where it was created and tested. Todayeditor, it swaps you mouse buttons and do a lot of
experts tell us that we are loosing the war againstthings that you won't like. XPCSpy can hide itself
the viruses. Mikko Hypponen who is believed to beusing some advanced technologies know as rootkits,
with much influence in Internet says: "This is not justPiggi.B conceal itself in the well known browser
a battle between manufacturers of securityInternet Explorer and every time the user runs it the
software and some internet criminals. It is a warsystem is "updated" again with the virus code. The
between good and evil".list of news goes on and every day new viruses
Microsoft describes the virus as a small programappears to threaten our systems.
designed to interfere with the computer system and"When this will end?" you may ask but no ending is
usually take control over it. One of its main functionsforeseen. The only protection against viruses today is
is to spread around the net to other users and forthe anti-virus.
this it usually uses the e-mail software or instantAnti-virus is software that works on different modes.
message tools.In real time mode it checks all system activity and
The damage that a virus could make is usuallylooks for malicious codes that are executed in the
permanent. It can erase data, it can change it on asystem. In scanning mode it can checks all files for
way that is no longer useable or it can delete yourthe core code of different viruses or parts of them.
whole hard drive. Some viruses of course don'tUsually good anti-virus software can prevent most
target the data. They spy on your activity and warninfections before they are able to do damage. It is
their creators about it. In fact we can't predict whatvery important for the protection software to be
the next virus could do. It is a program like all yourupdated on regular bases because it uses different
software. It can do anything.virus definitions that you need to have. In a bad day
When talking about viruses most inexperienced usersanti-virus companies receives more then 40000
imagine horrible things because the very word viruspossible virus codes and they work very hard on
terrifies them. Others take it very lightly saying:making a definition and a way to disinfect the
"What is the worse that can happen? I'll just reinstallsystem. This is why an update is always required and
some software…" But where these frivolousa good way to do that is to set your auto update
thoughts end and begin the real problem?option on.
To be infected could be a crime by itself. ImagineThere is no way to be sure if your system is clean
yourself working on a big corporation that in everyand you are safe to work. That's why many people
moment dependents on the Internet and on everychoose to have some experienced people working
computer system in it. If your system is infected thefor them to prevent data stealing or deletion. One
infrastructure of the corporation is at stake becausegood virus removal company is Rescue Techusa .
you are part of this infrastructure.