ESET NOD32 ANTIVIRUS 4 - FOR MICROSOFT WINDOWS... Manual de usuario

User Guide

(intended for product version 4.2 and higher)

Microsoft® Windows® 7 / Vista / XP / NT4 / 2000 / 2003 / 2008

ESET NOD32 Antivirus 4

1. ESET NOD32 Antivirus 4 ..........................4

1.1 What’s new .................................................................. 4

1.2 System requirements .................................................... 4

2. Installation ............................................5

2.1 Typical installation ........................................................ 5

2.2 Custom installation ....................................................... 6

2.3 Using original settings ................................................... 7

2.4 Entering Username and password ................................... 7

2.5 On‑demand computer scan ............................................ 8

3. Beginner’s guide .....................................9

3.1 Introducing user interface design – modes ....................... 9

3.1.1 Checking operation of the system ...........................9

3.1.2 What to do if the program doesn’t work properly .....9

3.2 Update setup ...............................................................10

3.3 Proxy server setup ........................................................10

3.4 Settings protection ......................................................10

4. Work with ESET NOD32 Antivirus ............12

4.1 Antivirus and antispyware protection ............................ 12

4.1.1 Real‑time ﬁle system protection ............................12

4.1.1.1 Control setup........................................................12

4.1.1.1.1 Media to scan ......................................................12

4.1.1.1.2 Scan on (Event‑triggered scanning) ........................12

4.1.1.1.3 Advanced scan options..........................................12

4.1.1.2 Cleaning levels ......................................................12

4.1.1.3 When to modify real‑time protection conﬁguration 13

4.1.1.4 Checking real‑time protection ...............................13

4.1.1.5 What to do if real‑time protection does not work ....13

4.1.2 Host Intrusion Prevention System (HIPS) ................13

4.1.3 Email client protection ..........................................13

4.1.3.1 POP3 checking ......................................................13

4.1.3.1.1 Compatibility .......................................................14

4.1.3.2 Integration with email clients ................................14

4.1.3.2.1 Appending tag messages to email body ..................14

4.1.3.3 Removing inﬁltrations ..........................................14

4.1.4 Web access protection ..........................................15

4.1.4.1 HTTP, HTTPs .........................................................15

4.1.4.1.1 Address management ...........................................15

4.1.4.1.2 Web browsers .......................................................15

ESET NOD32 Antivirus 4 was developed by ESET, spol. s r.o.

For more information visit www.eset.com.

reproduced, stored in a retrieval system or transmitted in any

form or by any means, electronic, mechanical, photocopying,

recording, scanning, or otherwise without permission in

writing from the author.

ESET, spol. s r.o. reserves the right to change any of the

described application software without prior notice.

Customer Care Worldwide: www.eset.eu/support

Customer Care North America: www.eset.com/support

REV.20100225‑008

Content

ESET NOD32 Antivirus 4

4.1.5 On‑demand computer scan ...................................16

4.1.5.1 Type of scan ..........................................................16

4.1.5.1.1 Smart scan ...........................................................16

4.1.5.1.2 Custom scan.........................................................16

4.1.5.2 Scan targets .........................................................16

4.1.5.3 Scan proﬁles ......................................................... 17

4.1.6 Protocol ﬁltering ................................................... 17

4.1.6.1 SSL ....................................................................... 17

4.1.6.1.1 Trusted certiﬁcates ...............................................17

4.1.6.1.2 Excluded certiﬁcates ............................................. 17

4.1.7 ThreatSense engine parameters setup ................... 17

4.1.7.1 Objects setup .......................................................18

4.1.7.2 Options ................................................................18

4.1.7.3 Cleaning ...............................................................18

4.1.7.4 Extensions ............................................................19

4.1.7.5 Limits ...................................................................19

4.1.7.6 Other ...................................................................19

4.1.8 An inﬁltration is detected ......................................19

4.2 Updating the program ................................................. 20

4.2.1 Update setup .......................................................20

4.2.1.1 Update proﬁles ....................................................20

4.2.1.2 Advanced update setup ......................................... 21

4.2.1.2.1 Update mode ....................................................... 21

4.2.1.2.2 Proxy server ..........................................................21

4.2.1.2.3 Connecting to the LAN ..........................................21

4.2.1.2.4 Creating update copies – Mirror ............................ 22

4.2.1.2.4.1 Updating from the Mirror ..................................... 22

4.2.1.2.4.2 Troubleshooting Mirror update problems .............. 23

4.2.2 How to create update tasks .................................. 23

4.3 Scheduler ....................................................................23

4.3.1 Purpose of scheduling tasks .................................. 24

4.3.2 Creating new tasks .............................................. 24

4.4 Quarantine ..................................................................24

4.4.1 Quarantining ﬁles ................................................ 25

4.4.2 Restoring from Quarantine .................................. 25

4.4.3 Submitting ﬁle from Quarantine ........................... 25

4.5 Log ﬁles .......................................................................25

4.5.1 Log maintenance ................................................. 25

4.6 User interface ............................................................. 26

4.6.1 Alerts and notiﬁcations ........................................ 26

4.7 ThreatSense.Net ..........................................................27

4.7.1 Suspicious ﬁles .................................................... 27

4.7.2 Statistics ............................................................. 28

4.7.3 Submission .......................................................... 28

4.8 Remote administration ............................................... 28

4.9 Licenses ..................................................................... 29

5. Advanced user .....................................30

5.1 Proxy server setup ....................................................... 30

5.2 Export / import settings............................................... 30

5.2.1 Import settings ....................................................30

5.2.2 Export settings ....................................................30

5.3 Command Line ............................................................ 30

5.4 ESET SysInspector ........................................................ 31

5.4.1 User Interface and application usage .....................31

5.4.1.1 Program Controls..................................................31

5.4.1.2 Navigating in ESET SysInspector ........................... 32

5.4.1.3 Compare ............................................................. 32

5.4.1.4 SysInspector as a part of ESET NOD32 Antivirus 4 ... 33

5.4.1.5 Service script ....................................................... 33

5.4.1.5.1 Generating Service scripts .................................... 33

5.4.1.5.2 Structure of the Service script ............................... 33

5.4.1.5.3 How to execute Service scripts ............................. 35

5.5 ESET SysRescue ...........................................................35

5.5.1 Minimum requirements ....................................... 35

5.5.2 How to create a rescue CD .................................... 35

5.5.2.1 Folders ................................................................ 35

5.5.2.2 ESET Antivirus...................................................... 35

5.5.2.3 Advanced ............................................................ 35

5.5.2.4 Bootable USB device ............................................ 36

5.5.2.5 Burn .................................................................... 36

5.5.3 Working with ESET SysRescue .............................. 36

5.5.3.1 Using ESET SysRescue .......................................... 36

6. Glossary .............................................. 37

6.1 Types of inﬁltrations .....................................................37

6.1.1 Viruses ................................................................ 37

6.1.2 Worms ................................................................ 37

6.1.3 Trojan horses ....................................................... 37

6.1.4 Rootkits .............................................................. 37

6.1.5 Adware ............................................................... 37

6.1.6 Spyware ..............................................................38

6.1.7 Potentially unsafe applications ............................. 38

6.1.8 Potentially unwanted applications ....................... 38

1. ESET NOD32 Antivirus 4

ESET NOD32 Antivirus 4 is the successor to the award‑winning product

ESET NOD32 Antivirus 3.0. It utilizes the scanning speed and the

precision of ESET NOD32 Antivirus, granted by the most recent version

of the ThreatSense® scanning engine.

The implemented advanced techniques are capable of proactively

blocking viruses, spyware, trojans, worms, adware and rootkits

without slowing down the system or disrupting you as you work or

play with your computer.

1.1 What’s new

The long‑time development experience of our experts is demonstrated

by the entirely new architecture of the ESET NOD32 Antivirus

program, which guarantees maximum detection with minimum

system requirements.

• Antivirus & antispyware

This module is built upon the ThreatSense® scanning engine, which

was used for the ﬁrst time in the award‑winning NOD32 Antivirus

system. ThreatSense® is optimized and improved with the new ESET

NOD32 Antivirus architecture.

Feature Description

Improved Cleaning The antivirus system now intelligently cleans

and deletes most detected inﬁltrations

without requiring user intervention.

Background

Scanning Mode

Computer scanning can be launched in

the background without slowing down

performance.

Smaller Update Files Core optimization processes keep the size of

update ﬁles smaller than in version 2.7. Also,

protection of update ﬁles against damage has

been improved.

Popular EMail Client

Protection

It is now possible to scan incoming mail not

only in Microsoft Outlook but also in Outlook

Express, Windows Mail, Windows Live Mail

and Mozilla Thunderbird.

Variety of Other

Minor Improvements

– Direct access to ﬁle systems for high speed

and throughput.

– Blocking access to infected ﬁles

– Optimization for Windows Security Center,

including Vista.

• Others

Feature Description

ESET SysRescue ESET SysRescue enables user to create a

bootable CD/DVD/USB containing ESET

Smart Security, which is capable of running

independent of the operating system. It is

best used to get the system rid of hard‑to‑

remove inﬁltrations.

ESET SysInspector ESET SysInspector, an application that

thoroughly inspects your computer, is now

integrated directly in ESET Smart Security.

If you contact our Customer Care Service

using the Help and support > Customer Care

support request (recommended) option,

you can opt to include an ESET SysInspector

status snapshot from your computer.

Document

protection

The Document protection serves to scan

Microsoft Oce documents before they are

opened and ﬁles downloaded automatically

by Internet Explorer, such as Microsoft

ActiveX elements.

Self Defense The new Self Defense technology protects

ESET Smart Security components against

deactivation attempts.

User interface The user interface is now capable of working

in the non‑graphical mode, which allows for

keyboard control of ESET Smart Security.

The increased compatibility with screen‑

reading application lets sight‑impaired people

control the program more eciently.

1.2 System requirements

For seamless operation of ESET NOD32 Antivirus, your system should

meet the following hardware and software requirements:

ESET NOD32 Antivirus:

Windows NT4 SP6,

2000, XP

400 MHz 32‑bit / 64‑bit (x86 / x64)

128 MB RAM of system memory

130 MB available space

Super VGA (800 × 600)

Windows 7, Vista 1 GHz 32‑bit / 64‑bit (x86 / x64)

512 MB RAM of system memory

130 MB available space

Super VGA (800 × 600)

ESET NOD32 Antivirus Business Edition:

Windows NT4 SP6,

2000, 2000 Server,

XP, 2003 Server

400 MHz 32‑bit / 64‑bit (x86 / x64)

128 MB RAM of system memory

130 MB available space

Super VGA (800 × 600)

Windows 7, Vista,

Windows Server

2008

1 GHz 32‑bit / 64‑bit (x86 / x64)

512 MB RAM of system memory

130 MB available space

Super VGA (800 × 600)

NOTE: Anti‑Stealth and Self Defense are not available on Windows

NT4 SP6.

2. Installation

After purchase, the ESET NOD32 Antivirus installer can be downloaded

from ESET’s website as an .msi package. Launch the installer and the

installation wizard will guide you through the basic setup. There are

two types of installation available with dierent levels of setup details:

1. Typical installation

2. Custom installation

2.1 Typical installation

Typical installation provides conﬁguration options appropriate for

most users. The settings provide excellent security coupled with

ease of use and high system performance. Typical installation is the

default option and is recommended if you do not have particular

requirements for speciﬁc settings.

After selecting the installation mode and clicking Next, you will

be prompted to enter your username and password for automatic

updates of the program. This plays a signiﬁcant role in providing

constant protection of your system.

Enter your Username and Password, i.e., the authentication data

you received after the purchase or registration of the product, into the

corresponding ﬁelds. If you do not currently have your username and

password available, authentication data can be inserted at any time

later on, directly from the program.

The next step is conﬁguration of the ThreatSense.Net Early Warning

System. The ThreatSense.Net Early Warning System helps ensure

that ESET is immediately and continuously informed about new

inﬁltrations in order to quickly protect its customers. The system

allows for submission of new threats to ESET‘s Threat Lab, where they

are analyzed, processed and added to the virus signature database.

By default, the Enable ThreatSense.Net Early Warning System

option is selected, which will activate this feature. Click Advanced

setup... to modify detailed settings for the submission of suspicious

ﬁles.

The next step in the installation process is to conﬁgure Detection

of potentially unwanted applications. Potentially unwanted

applications are not necessarily malicious, but can often negatively

aect the behavior of your operating system.

These applications are often bundled with other programs and may

be dicult to notice during the installation process. Although these

applications usually display a notiﬁcation during installation, they

can easily be installed without your consent.

Select the Enable detection of potentially unwanted applications

option to allow ESET NOD32 Antivirus to detect this type of threat

(recommended).

The ﬁnal step in Typical installation mode is to conﬁrm installation by

clicking the Install button.

2.2 Custom installation

Custom installation is designed for users who have experience with

ﬁne‑tuning programs and who wish to modify advanced settings

during installation.

After selecting the installation mode and clicking Next, you will

be prompted to select a destination location for the installation.

By default, the program installs in C:\Program Files\ESET\ESET

NOD32 Antivirus\. Click Browse… to change this location (not

recommended).

Next, Enter your Username and Password. This step is the same as in

Typical installation (see section 2.1, “Typical installation”).

After entering your username and password, click Next to proceed to

Conﬁgure your Internet connection.

If you use a proxy server, it must be correctly conﬁgured for virus

signature updates to work correctly. If you do not know whether you

use a proxy server to connect to the Internet, leave the default setting

I am unsure if my Internet connection uses a proxy server. Use the

same settings as Internet Explorer (Recommended) and click Next.

If you do not use a proxy server, select the I do not use a proxy server

option.

To conﬁgure your proxy server settings, select I use a proxy server

and click Next. Enter the IP address or URL of your proxy server in the

Address ﬁeld. In the Port ﬁeld, specify the port where the proxy server

accepts connections (3128 by default). In the event that the proxy

server requires authentication, enter a valid Username and Password

to grant access to the proxy server. Proxy server settings can also be

copied from Internet Explorer if desired. To do this, click Apply and

conﬁrm the selection.

Click Next to proceed to Conﬁgure automatic update settings. This

step allows you to designate how automatic program component

updates will be handled on your system. Click Change... to access the

advanced settings.

If you do not want program components to be updated, select the

Never update program components option. Select the Ask before

downloading program components option to display a conﬁrmation

window before downloading program components. To download

program component upgrades automatically, select the Always

update program components option.

NOTE: After a program component update, a restart is usually

required. We recommend selecting the If necessary, restart

computer without notifying option.

The next installation window is the option to set a password to

protect your program settings. Select the Protect conﬁguration

settings with a password option and choose a password to enter in

the New password and Conﬁrm new password ﬁelds.

The next two installation steps, ThreatSense.Net Early Warning

System and Detection of potentially unwanted applications are the

same as in Typical installation (see section 2.1, “Typical installation”).

Click Install in the Ready to install window to complete installation.

2.3 Using original settings

If you reinstall ESET NOD32 Antivirus, the Use current settings option

will display. Select this option to transfer setup parameters from the

original installation to the new one.

2.4 Entering Username and password

For optimal functionality, it is important that the program is

automatically updated. This is only possible if the correct username

and password are entered in the Update setup.

If you did not enter your username and password during installation,

you can now. In the main program window, click Update and then

click Username and Password setup.... Enter the license data you

received with your ESET security product into the License details

window.

2.5 On‑demand computer scan

After installing ESET NOD32 Antivirus, a computer scan

for malicious code should be performed. From the main

program window, click Computer scan and then click Smart

scan. For more information about On‑demand computer

scans, see section 4.1.4, “On‑demand computer scan”.

3. Beginner’s guide

This chapter provides an initial overview of ESET NOD32 Antivirus and

its basic settings.

3.1 Introducing user interface design – modes

The main program window of ESET NOD32 Antivirus is divided

into two main sections. The primary window on the right displays

information that corresponds to the option selected from the main

menu on the left.

The following is a description of options within the main menu:

Protection status – Provides information about the protection status

of ESET NOD32 Antivirus. If Advanced mode is activated, the Watch

activity and Statistics submenus will display.

Computer scan – This option allows you to conﬁgure and launch the

On‑demand computer scan.

Update – Displays information about updates to the virus signature

database.

Setup – Select this option to adjust your computer’s security level. If

Advanced mode is activated, the Antivirus and antispyware submenu

will display.

Tools – Provides access to Log ﬁles, Quarantine, Scheduler and

SysInspector. This option only displays in Advanced mode.

Help and support – Provides access to help ﬁles, the ESET

Knowledgebase, ESET’s website and links to open a Customer Care

support request.

The ESET NOD32 Antivirus user interface allows users to toggle

between Standard and Advanced mode. Standard mode provides

access to features required for common operations. It does not display

any advanced options. To toggle between modes, click Change... in

the bottom left corner of the main program window, or press CTRL +

M on your keyboard.

The Standard mode provides access to features required for common

operations. It does not display any advanced options.

Toggling to Advanced mode adds the Tools option to the main menu.

The Tools option allows you to access the submenus for Log ﬁles,

Quarantine, Scheduler and SysInspector.

NOTE: All remaining instructions in this guide take place in Advanced

mode.

3.1.1 Checking operation of the system

To view the Protection status, click the top option from the main

menu. A status summary about the operation of ESET NOD32

Antivirus will display in the primary window, and a submenu with

two items will appear: Watch Activity and Statistics. Select either of

these to view more detailed information about your system.

3.1.2 What to do if the program doesn’t work properly

If the modules enabled are working properly, they are assigned

a green check. If not, a red exclamation point or orange notiﬁcation

icon is displayed, and additional information about the module is

shown in the upper part of the window. A suggested solution for

ﬁxing the module is also displayed. To change the status of individual

modules, click Setup in the main menu and click on the desired

module.

If you are unable to solve a problem using the suggested solutions,

click Help and support to access the help ﬁles or search the

Knowledgebase. If you still need assistance, you can submit an ESET

Customer Care support request. ESET Customer Care will respond

quickly to your questions and help determine a resolution.

3.2 Update setup

Updating the virus signature database and updating program

components are an important part of providing complete protection

against malicious code. Please pay attention to their conﬁguration

and operation. From the main menu, select Update and then click

Update virus signature database in the primary window to check for

a newer database update. Username and Password setup... displays

a dialog box where the username and password received at the time

of purchase should be entered.

If the username and password were entered during installation of

ESET NOD32 Antivirus you will not be prompted for them at this point.

The Advanced Setup window (click Setup from the main menu and

then click Enter entire advanced setup tree..., or press F5 on your

keyboard) contains additional update options. Click Update from the

Advanced Setup tree . The Update server: drop‑down menu should be

set to Choose automatically. To conﬁgure advanced update options

such as the update mode, proxy server access, LAN connections

and creating virus signature copies (ESET NOD32 Antivirus Business

Edition), click the Setup... button.

3.3 Proxy server setup

If you use a proxy server to control Internet connections on a system

using ESET NOD32 Antivirus, it must be speciﬁed in Advanced Setup.

To access the Proxy server conﬁguration window, press F5 to open

the Advanced Setup window and click Miscellaneous > Proxy server

from the Advanced Setup tree. Select the Use proxy server option,

and then ﬁll in the Proxy server (IP address) and Port ﬁelds. If needed,

select the Proxy server requires authentication option and then

enter the Username and Password.

If this information is not available, you can attempt to automatically

detect proxy server settings by clicking the Detect proxy server

button.

NOTE: Proxy server options for various update proﬁles may dier. If

this is the case, conﬁgure the dierent update proﬁles in Advanced

Setup by clicking Update from the Advanced Setup tree.

3.4 Settings protection

ESET NOD32 Antivirus settings can be very important from the

perspective of your organization’s security policy. Unauthorized

modiﬁcations can potentially endanger the stability and protection

of your system. To password protect the setup parameters, from the

main menu click Setup > Enter entire advanced setup tree... > User

interface > Access setup, select the Password protect settings

option and click the Set password... button.

Enter a password in the New password and Conﬁrm new password

ﬁelds and click OK. This password will be required for any future

modiﬁcations to ESET NOD32 Antivirus settings.

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