Symantec 10551441 - AntiVirus Corporate Edition Manual de usuario

Symantec AntiVirus™

Corporate Edition Client Guide

Symantec AntiVirus™ Corporate Edition Client Guide

The software described in this book is furnished under a license agreement and may be

used only in accordance with the terms of the agreement.

Documentation version 10.0

Any technical documentation that is made available by Symantec Corporation is the

copyrighted work of Symantec Corporation and is owned by Symantec Corporation.

NO WARRANTY. The technical documentation is being delivered to you AS-IS, and

Symantec Corporation makes no warranty as to its accuracy or use. Any use of the

technical documentation or the information contained therein is at the risk of the user.

Documentation may include technical or other inaccuracies or typographical errors.

Symantec reserves the right to make changes without prior notice.

No part of this publication may be copied without the express written permission of

Symantec Corporation, 20330 Stevens Creek Blvd., Cupertino, CA 95014.

Trademarks

Symantec, the Symantec logo, LiveUpdate, Norton AntiVirus, and Norton SystemWorks

are U.S. registered trademarks of Symantec Corporation. Norton Internet Security, Norton

Personal Firewall, Symantec AntiVirus, Symantec Client Firewall, Symantec Client

Security, Symantec Desktop Firewall, Symantec Enterprise Security Architecture,

Symantec Packager, Symantec Security Response, and Symantec System Center are

trademarks of Symantec Corporation.

Other brands and product names mentioned in this manual may be trademarks or

registered trademarks of their respective companies and are hereby acknowledged.

Technical support

As part of Symantec Security Response, the Symantec global Technical Support

group maintains support centers throughout the world. The Technical Support

group’s primary role is to respond to specific questions on product feature/

function, installation, and configuration, as well as to author content for our

Web-accessible Knowledge Base. The Technical Support group works

collaboratively with the other functional areas within Symantec to answer your

questions in a timely fashion. For example, the Technical Support group works

with Product Engineering as well as Symantec Security Response to provide

Alerting Services and Virus Definition Updates for virus outbreaks and security

alerts.

Symantec technical support offerings include:

■A range of support options that give you the flexibility to select the right

amount of service for any size organization

■Telephone and Web support components that provide rapid response and

up-to-the-minute information

■Upgrade insurance that delivers automatic software upgrade protection

■Content Updates for virus definitions and security signatures that ensure

the highest level of protection

■Global support from Symantec Security Response experts, which is

available 24 hours a day, 7 days a week worldwide in a variety of languages

for those customers enrolled in the Platinum Support Program

■Advanced features, such as the Symantec Alerting Service and Technical

Account Manager role, offer enhanced response and proactive security

support

Please visit our Web site for current information on Support Programs. The

specific features available may vary based on the level of support purchased and

the specific product that you are using.

Licensing and registration

If the product that you are implementing requires registration and/or a license

key, the fastest and easiest way to register your service is to access the

Symantec licensing and registration site at www.symantec.com/certificate.

Alternatively, you may go to www.symantec.com/techsupp/ent/enterprise.html,

select the product that you wish to register, and from the Product Home Page,

select the Licensing and Registration link.

Contacting Technical Support

Customers with a current support agreement may contact the Technical

Support group via phone or online at www.symantec.com/techsupp.

Customers with Platinum support agreements may contact Platinum Technical

Support via the Platinum Web site at www-secure.symantec.com/platinum/.

When contacting the Technical Support group, please have the following:

■Product release level

■Hardware information

■Available memory, disk space, NIC information

■Operating system

■Version and patch level

■Network topology

■Router, gateway, and IP address information

■Problem description

■Error messages/log files

■Troubleshooting performed prior to contacting Symantec

■Recent software configuration changes and/or network changes

Customer Service

To contact Enterprise Customer Service online, go to www.symantec.com, select

the appropriate Global Site for your country, then choose Service and Support.

Customer Service is available to assist with the following types of issues:

■Questions regarding product licensing or serialization

■Product registration updates such as address or name changes

■General product information (features, language availability, local dealers)

■Latest information on product updates and upgrades

■Information on upgrade insurance and maintenance contracts

■Information on Symantec Value License Program

■Advice on Symantec's technical support options

■Nontechnical presales questions

■Missing or defective CD-ROMs or manuals

Contents

Technical support

Chapter 1 Introducing Symantec AntiVirus

About Symantec AntiVirus .................................................................................. 9

About updating stand-alone computers ................................................... 10

About remote computers that connect to a corporate network ........... 11

About viruses ........................................................................................................ 11

How viruses spread ...................................................................................... 12

Virus types .................................................................................................... 12

About the master boot record .................................................................... 13

About security risks ............................................................................................14

How Symantec AntiVirus responds to viruses and security risks ............... 16

How Symantec AntiVirus protects your computer ........................................ 17

What keeps Symantec AntiVirus protection current ....................................18

About the role of Symantec Security Response ......................................19

How virus and security risk protection is updated ................................. 19

Chapter 2 Symantec AntiVirus basics

About content licensing ...................................................................................... 21

Installing a content license to an unmanaged client .............................22

Opening Symantec AntiVirus ............................................................................ 23

Navigating in the Symantec AntiVirus main window ................................... 24

Viewing Symantec AntiVirus categories .................................................25

Enabling and disabling Auto-Protect ............................................................... 30

Pausing and delaying scans ............................................................................... 31

Keeping virus and security risk protection current .......................................33

Scheduling updates with LiveUpdate .......................................................33

Updating protection immediately with LiveUpdate .............................. 35

Updating without LiveUpdate ................................................................... 35

Using Symantec AntiVirus with Windows Security Center .......................... 36

For more information ......................................................................................... 37

Accessing online Help ................................................................................. 37

Accessing the Symantec Security Response Web site ........................... 38

6Contents

Chapter 3 Protecting your computer from viruses and security risks

About the antivirus and security risk policy ................................................... 39

What to scan ................................................................................................. 40

What to do if a virus or security risk is detected .................................... 42

Using Auto-Protect .............................................................................................. 43

About Auto-Protect and security risks ..................................................... 43

About Auto-Protect and email scanning .................................................. 44

Disabling email scanning if you use SSL connections ........................... 45

Viewing Auto-Protect Scan Statistics ....................................................... 45

Modifying Auto-Protect and using SmartScan ....................................... 46

Disabling and enabling security risk scanning in Auto-Protect .......... 46

Using Tamper Protection ................................................................................... 47

Enabling, disabling, and configuring Tamper Protection ..................... 47

Creating Tamper Protection messages .................................................... 48

Scanning for viruses and security risks ........................................................... 50

How Symantec AntiVirus detects viruses and security risks ............... 50

What happens during a scan ...................................................................... 51

About definitions files ................................................................................ 52

About scanning compressed and encoded files ..................................... 52

Initiating manual scans .............................................................................. 52

Configuring scanning .......................................................................................... 55

Creating scheduled scans ........................................................................... 55

Creating startup scans ................................................................................ 57

Creating user-defined scans ....................................................................... 59

Editing and deleting startup, user-defined, and scheduled scans ....... 60

Configuring actions for viruses and security risks ................................ 61

Configuring notifications for viruses and security risks ....................... 67

Interpreting scan results .................................................................................... 71

Excluding files from scans ................................................................................. 73

Chapter 4 What to do if a virus or security risk is found

Acting on infected files ....................................................................................... 75

About damage that viruses cause .............................................................. 77

About the Quarantine ......................................................................................... 77

Move files that are infected by viruses to the Quarantine .................... 77

Leave files that are infected by security risks in the Quarantine ........ 78

Delete files that are infected by viruses in the Quarantine .................. 78

Delete files that are infected by security risks in the Quarantine ....... 78

7Contents

Managing the Quarantine ..................................................................................79

Viewing files and file details in the Quarantine ......................................79

Rescanning files in the Quarantine for viruses ...................................... 79

When a repaired file can’t be returned to its original location ............ 81

Clearing Backup Items ................................................................................ 82

Deleting files from the Quarantine ........................................................... 82

Automatically purging files from the Quarantine, Backup Items,

and Repaired Items ............................................................................. 83

Submitting a potentially infected file to Symantec Security Response

for analysis ............................................................................................ 84

Viewing the Event Log ....................................................................................... 84

Filtering items in the Event Log ................................................................ 85

About clearing items from the Event Log ............................................... 86

Exporting data to a .csv file ....................................................................... 86

Index

8Contents

Chapter 1

Introducing Symantec

AntiVirus

This chapter includes the following topics:

■About Symantec AntiVirus

■About viruses

■About security risks

■How Symantec AntiVirus responds to viruses and security risks

■How Symantec AntiVirus protects your computer

■What keeps Symantec AntiVirus protection current

About Symantec AntiVirus

You can install Symantec AntiVirus™ virus and security risk protection as either

a stand-alone or an administrator-managed installation. A stand-alone

installation means that your Symantec AntiVirus software is not managed by a

network administrator.

If you manage your own computer, it must be one of the following types:

■A stand-alone computer that is not connected to a network, such as a home

computer or a laptop stand-alone, with a Symantec AntiVirus installation

that uses either the default option settings or administrator-preset options

settings

■A remote computer that connects to your corporate network that must meet

security requirements before connecting

10 Introducing Symantec AntiVirus

About Symantec AntiVirus

The default settings for Symantec AntiVirus provide virus and security risk

protection for your computer. However, you may want to adjust them to suit

your company’s needs, to optimize system performance, and to disable options

that do not apply.

If your installation is managed by your administrator, some options may be

locked or unavailable, or may not appear at all, depending upon your

administrator’s security policy. Your administrator runs scans on your

computer and can set up scheduled scans.

Your administrator can advise you as to what tasks you should perform by using

Symantec AntiVirus.

Note: Options that display a padlock icon are not available because they have

been locked by your administrator. You cannot change these options unless the

administrator unlocks them.

About updating stand-alone computers

Stand-alone computers may be connected to the Internet. In Symantec

AntiVirus documentation, the term stand-alone takes on an added dimension.

Stand-alone computers are not connected to a server; thus they do not receive

virus and security risk definitions updates from the server, and cannot be

managed by the Symantec System Center administrator program.

If you installed Symantec AntiVirus on a stand-alone computer, you are

responsible for updating the virus and security risk definitions. New definitions

files are available several times each month from Symantec. You will be alerted

when definitions files need replacing.

You can update the virus and security risk definitions files with LiveUpdate™.

LiveUpdate retrieves the new definitions files from a Symantec site, and then

replaces the old definitions files in the Symantec AntiVirus directory. A modem

or Internet connection is required.

See “Updating protection immediately with LiveUpdate” on page 35.

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