How is
virus activated on your computers?
There are different methods through viruses may be
transferred from one computer to another.
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Now- a-days, most of the viruses spread due
to receiving unknown e-mail messages that contains viruses. When a
user opens such an infected message, the virus is also loaded into
the computer memory. In this way, many other program files loaded
into the memory are infected. This virus is also transferred to
other computers when e-mail messages are sent from the infected
computer to them. Due to these viruses, some time an auto generated
email message from your email ID sends to your friends from your
side with different virus messages. Never open unknown and
attractive subject line email messages, always scan first even if
you know the sender of the message.
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- Another way of spreading
virus is by using Internet and other networks. For example, when you
download infected executables files or data files from the Internet
or from a shared disk on the network, viruses are transferred to
your computer. It must be noted that many software are available on
the Internet with free of cost. Most of that software contains
viruses, for example free PHP or ASP scripts are the main source of
virus, always get these scripts from reliable sources. In an LAN, if
a computer contains a virus, then all the computers on the network
may be infected with that virus
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One important means of exchanging data is
through the use of removable media like, CDs, MP3 player, ipod
and flash devices. So, when you copy the data from one computer
to another by using a removable media, the viruses are also
transferred.
- The virus can also infect
your computer by using pirated software. The software, which is
installed into your computer without license is referred to as
pirated software. Some companies may intentionally attach some
virus programs into their software. This program will only
activate when it does not find some special files like license
files on your computer.
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COMPUTER TIPS