Best Antivirus Software for Protecting Systems

1Copyright © by EC-Council
All Rights Reserved. Reproduction is Strictly Prohibited.
Protecting Systems Using
Antiviruses
Module 3
Simplifying Security.

3March 2011, Thursday
Market for Antivirus Becoming Aggressive in North IT Market
The need for protecting valuable data pushing the demand for antivirus products in
Northern region.
With explosion in the use of networks and also increased use of internet has definitely created a new conduit
for computer viruses to spread at a rapid rate. Earlier viruses used executable files and would typically be no
more than an annoyance by displaying harmless phrases. The latest viruses are much more sophisticatedand
able to cause extensive and irreparable damage to files. Some viruses are
able to spread themselves to other computers on the Internet or network causing widespread damage
to many systems. Thus to counterattack
these problems and to keep up with the
accompanying rise of malicious web activity a number
of vendors are busy rolling out layers
of updates of Antivirus. We at ITPV, contemplatedin the Northern region about how the Antivirus vendors
are doing, what is the demand, which segment is booming and whats the future of this technology.
http://www.itvarnews.net
2 Copyright © by EC-Council

Module Objectives
The Most Dangerous Computer
Viruses of All Time
Introduction to Antivirus Software
How Does Antivirus Software
Work?
Antivirus Software 2011
Steps to Install Antivirus on Your
Computer
How to Test if Antivirus is
Working?
Choosing the Best Antivirus
Software
Configuring McAfee Antivirus
Configuring Kaspersky PURE
Antivirus Security Checklist

Copyright © by EC-Council
served. Reproduction is Strictly Prohibited.
4
All Rights
Module Flow
Introduction
to Antivirus
Software
Steps to
Install
Antivirus
How Does
Antivirus
Software Work?
Choosing the
Best Antivirus
Software
Configuring
McAfee
Antivirus
Configuring
Kaspersky
PURE
Re

The Most Dangerous ComputerViruses of
All Time
In the past few years, numerous PCs have been infected by computer viruses and there have
been computer viruses that affected the global economic growth drastically
The top 10 most destructive computer viruses of all time according to techweb:
CIH ( 1998)
Estimated Damage: 20 to 80 million dollars worldwide,
countless amounts of PC data destroyed. Unleashed
from Taiwan in June of 1998
Melissa ( 1999)
Estimated Damage: 300 to 600 million dollars
ILOVEYOU ( 2000)
Estimated Damage: 10 to 15 billion dollars
Code Red ( 2001)
Estimated Damage: 2 billion and 600 million dollars
(2.6 B $)
SQL Slammer ( 2003)
Estimated Damage: Because SQL Slammer erupted on a
Saturday, the damage was low in dollars and cents.
However, it hit 500,000 servers world wide and actually
shut down South Korea’s online capacity for 12 hours
Blaster ( 2003)
Estimated Damage: 2 to 10 billion dollars, hundreds of
thousands of infected PCs
Sobig.F ( 2003)
Estimated Damage: 5 to 10 billion dollars, over 1 million
PCs infected
Bagle ( 2004)
Estimated Damage: Tens of millions of dollars and
counting
MyDoom ( 2004)
Estimated Damage: At its peak, slowed global Internet
performance by 10 percent and Web load times by up to
50percent
Sasser ( 2004)
Estimated Damage: Tens of millions of dollars

Introduction to Antivirus Software
A computer connected to the Internet is always at high risk, and it is always recommended to
install antivirus software on the system
A computer virus can degrade the performance of a computer and can delete the stored
computer data
An antivirus program protects the computer against viruses, worms, spywares, Trojans, etc.

7
Need for Antivirus Program
Today in the digital domain, loads of data is
stored on computers and it has become
significant to protect the data
When a PC is connected to the Internet, the
PC has to combat different malicious programs
such as viruses, worms, Trojans, spyware,
adware
Cyber criminals such as attackers and hackers use
these malicious programs as tools to steal
important information such as personal data
stored on the computer
These programs pose a severe threat to the
computer and may destroy its functionality in
different ways
Malicious programs pave their way into one’s PC
through email attachments and spam email,
through USB drives, visiting a fraudulent website,
etc.
Due to the invasion of malicious programs
in cyberspace, antivirus programs have
become necessary for computers
If your computer has a good antivirus program installed, then the PC is protected and combat all
types of malicious programs

8
All Rights
Module Flow
Introduction
to Antivirus
Software
Choosing the
Best Antivirus
Software
Configuring
McAfee
Antivirus
How Does
Antivirus
Software Work?
Steps to
Install
Antivirus
Configuring
Kaspersky
PURE
Re

How Does Antivirus SoftwareWork?
Most of the commercial antivirus software uses two techniques:
Uses virus dictionary to look for known viruses while examining files
Detects suspicious behavior from any computer program
Virus Dictionary
Approach
Suspicious Behavior
Approach
Other Ways to Detect
Viruses
The antivirus software
monitors the behavior of all
the programs instead of
identifying the known viruses
Whenever a program with
suspicious behavior is found
the software alerts the user
and asks what to do
While examining the files the
antivirus software refers to
the dictionary of known
viruses identified by the
author of antivirus software
If a bit of code in the file
matches with that of any
virus in the dictionary, then
the antivirus software can
either delete the file, repair
the file by removing the virus,
or quarantine it
Antivirus software will try to
emulate the beginning of
each new executable code
that is being executed before
transferring control to the
executable
If the program seems to be a
virus or using self‐modifying
code then it immediately
examines the other
executable programs

http://www.eccouncil.org
Antivirus Software 2011
http://www.mcafee.com http://www.symantec.com http://www.avast.com http://www.kaspersky.com http://www.vipreantivirus.com
http://free.avg.com http://www.comodo.com http://www.bitdefender.com http://www.pctools.com

11
All Rights
Module Flow
Introduction
to Antivirus
Software
Choosing the
Best Antivirus
Software
How Does
Antivirus
Software Work?
Steps to
Install
Antivirus
Configuring
McAfee
Antivirus
Configuring
Kaspersky
PURE
Re

Choosing the Best Antivirus
When purchasing an antivirus software, look for
the various features and how they can best serve
your needs
The most important things to be considered are:
Antivirus Scanning
Antivirus Detection Accuracy
Check for antivirus software that scans and detects
viruses accurately and detects the majority of threats
Scanning Speed
Check whether the antivirus software can perform the
task quickly and efficiently
Resource Utilization
Ensure that the antivirus software uses minimal
system resources and does not affect system
performance when performing a scan
Software

T
u
p
Choosing the Best Antivirus Software
Hacker Blocking
his feature prevents other users from gaining
nauthorized access and steal important data such as
asswords and other confidential information
Bidirectional Firewall
Check whether the antivirus software is equipped
with a software firewall or not to scan the both
incoming and outgoing traffic
Automatic Updates
This feature keeps the user abreast
of the latest online threats without
the user having to visit the vendor’s
website to stay up to date Technical Support
Look for good technical support so
that issues are solved easily
Parental Controls
Check for the parental control feature in
the antivirus program that helps children
browse the Internet safely
Spyware Detection&
Prevention
Check for antispyware
components to keep spyware at
bay
Email Scanning
E‐mail Protection can monitor POP
and SMTP ports and ensures that
your computer doesn't contain a
threat to your computer
Easy Installation (and Easy to Use)
The anti virus software should be user friendly
and easy‐to‐use
On Demand and Scheduled Scanning
This options lets you schedule a scan according to user
specified time. User schedule the scan daily, weekly or
monthly

14
All Rights
Module Flow
Introduction
to Antivirus
Software
Choosing the
Best Antivirus
Software
How Does
Antivirus
Software Work?
Configuring
McAfee
Antivirus
Steps to
Install
Antivirus
Configuring
Kaspersky
PURE
Re

Steps to Install Antivirus on Your
Computer
Most of the antiviruses follow a wizard‐driven installation process
and necessary components are installed in the system by default1
2 Download the antivirus and launch the installation of
antivirus by double clicking the setup file
Agree to the legal agreement that might appear, click "I agree", and
then click "Next" to continue3
4 Review all the settings and click next until installation is finished
5 Once the installation process is finished, restart your computer

17
All Rights
Module Flow
Introduction
to Antivirus
Software
Choosing the
Best Antivirus
Software
How Does
Antivirus
Software Work?
Configuring
McAfee
Antivirus
Steps to
Install
Antivirus
Configuring
Kaspersky
PURE
Re

After selecting the Scan your PC option  Select
any one of the available three scan types (Run a
quick scan, Run a full scan, or Run a custom scan)
On the Main Security Center Console  click
Real‐time Scanning  select Scan your PC

On the Main Security Center Console  click
Real‐time Scanning  select Schedule Scan
Settings and decide how often you want to
scan  click Apply
After selecting the Schedule Scan Settings option 
Real‐time Scanning Settings  select the file types,
attachments, and locations that you want the antivirus
to automatically scan and protect the computer from
threats  click Apply

20
All Rights
Module Flow
Introduction
to Antivirus
Software
How Does
Antivirus
Software Work?
Choosing the
Best Antivirus
Software
Configuring
McAfee
Antivirus
Steps to
Install
Antivirus
Configuring
Kaspersky
PURE
Re

After successfully installing Kaspersky PURE, follow the
steps to configure Kaspersky PURE
Step 1: Activate the application
For Kaspersky PURE to be fully functional, it needs to be
activated
You can:
Activate Commercial License with the purchased activation
code
Activate Trial Version for the trial period of 30 days and get
acquainted with the possibilities of the program
Activate Later, if you select activate later, the stage
of Kaspersky PURE activation will be skipped. The application
will be installed on your computer, but you will be able to
update the application only once after its installation.
To continue the activation process, click Next
After the license is activated, click Next to proceed with the
configuration

Step 2: System analysis
The Installation Wizard analyzes the
system information and creates rules
for trusted applications that are
included in the Windows operating
system. Wait until the process is
completed.

Step 3: Completing installation
When the installation is complete,
Kaspersky PURE ConfigurationWizard will
prompt with a message The installation is
complete:
Make sure the box Start Kaspersky
PURE is checked if you want to run the
application immediately after
the Configuration Wizard is closed
Clear the box Start Kaspersky PURE if
you want to run the program later
In order to close the Configuration
Wizard, click the Finish button

lication and the
Configuring Kaspersky PURE:
and Restore
After configuring the Kaspersky PURE antivirus, launch the app
program is ready for use
Backup

Configuring Kaspersky
and Restore
To configure Backup, click Backup and Restore
In Backup and Restore, click Create a backup task
PURE: Backup

and Restore
Select the location of the files and
click Next  select the desired
drive to store the backup files 
click Next
Specify a password to protect your
data from unauthorized access and
click Next
PURE: Backup

and Restore
PURE: Backup
Configure storing different
versions of files and click 
Next  click Finish

Configuring Kaspersky PURE:
ComputerProtection
Computer Protection components protect your computer against various threats, scan all system objects for viruses and
vulnerabilities, and regularly update Kaspersky PURE antivirus databases and program modules

Configuring Kaspersky PURE: Parental
Control
To protect children and teenagers from threats related to computer and Internet usage, you should configure Parental
Control settings for all users
If you have no enabled password protection when installing the application at the first startup of Parental Control, it is
recommended that you set a password to protect against unauthorized modification of the Control settings
Now, you can enable Parental Control and impose restrictions on computer and Internet usage, and on instant messaging
for all accounts on the computer

Kaspersky PURE:
Tools
Administrative
Using the Administrative tools, a user
can configure the operating system and
eliminate system vulnerabilities to
provide reliable data protection
A user can:
1.
2.
Tune browser settings
Search for problems related to malware
activity using the Microsoft Windows
Settings Troubleshooting option
Permanently delete data
Delete some unused data
Create a Rescue Disk to clean the
system after a virus attack
Erase user activity to protect the
privacy
3.
4.
5.
6.

Module Summary


An antivirus program protects a computer against viruses, worms, spywares, and Trojans
A computer connected to the Internet is always at high risk and it is recommended to have
antivirus software installed on the system
Most of the commercial antivirus software uses two techniques:
 Uses virus dictionary to look for known viruses while examining files
 Detects suspicious behavior from any computer program
 In the virus dictionary approach, while examining the files, the antivirus software refers to
the dictionary of known viruses identified by the software author
Whenever a program with suspicious behavior is found, the antivirus software alerts the
user and asks what to do


Antivirus Security Checklist
Do not use multiple antivirus programs on your computer
simultaneously
Update antivirus software to get maximum efficiency
Always visit the vendor’s web site to download the patches
Enable real‐time scanning
Always perform link and email scanning
Enable firewall
Always schedule scanning

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