Thesedestructive programs
claimto be some other type
ofprogram, but they cause
damagewhen they run.
Trojanhorses
Norton360 scans your PC for viruses, worms, Trojan
horses,and other software that is intentionally
destructive.It also monitors your Internet connection
toprotect you from the Internet-based threats that
exploitsoftware vulnerabilities.
Types of viruses
Avirus is a small program that is designed to alter the
wayyour PC operates, without your knowledge or
permission.
Tobe a virus, a program must do the following:
1Runon its own, without you having to take any
action
1Makecopies of itself so that it can spread to other
PCs
Althoughnot all viruses are intended to cause damage,
evenharmless viruses can affect the performance and
stabilityof your PC. Norton 360 attempts to remove
allviruses from your PC.
Virusesfall into the following recognized categories:
Theseviruses infect program
files.When infected files run,
theycan attach the viruses
thatthey carry to other
programfiles. Norton 360
scansall program files on
yourPC to find and eliminate
fileinfectors.
Fileinfectors
223Understandingalerts and messages
Typesof viruses