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There are also indirect symptoms that indicate your computer has possibly been
infected:
•
your computer freezes frequently or encounters errors;
•
your computer slows down when programs are started;
•
you are unable to load the operating system;
•
files and folders are suddenly missing or their content changes;
•
your hard drive is accessed too often (the light on your main unit flashes
rapidly);
•
Microsoft Internet Explorer "freezes" or displays unpredictable behavior,
(for example you cannot close the application window).
In most cases such indirect symptoms indicate that there is a hardware or
software problem, but although such symptoms are unlikely to be caused by an
infection, we recommend that you perform a full scan of your computer using the
default settings recommended by Kaspersky Lab experts if your encounter any of
these problems.
3.2. What should you do if you notice
symptoms of infection
If you notice that your computer displays "suspicious" behavior:
1.
Don’t panic! This golden rule may prevent the loss of important data
stored on your computer and help you avoid unnecessary stress.
2.
Disconnect your computer from the Internet.
3.
Disconnect your computer from the Local Area Network if it is con
4.
If the symptom of an infection is that you cannot boot from your hard
drive (your computer encounters an error at startup), try to start the
system in Safe Mode or from the Microsoft Windows boot disk that you
created during the installation of the operating system on your
computer.
5.
Before taking any action, back up all critical data to an external drive (a
floppy disk, CD, flash card, etc.)