User guide

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4.1.1.1.4 Checking real-time protection
To verify that real-time protection is working and detecting viruses, use a test file from eicar.com. This test file is a
harmless file detectable by all antivirus programs. The file was created by the EICAR company (European Institute for
Computer Antivirus Research) to test the functionality of antivirus programs. The file is available for download at http://
www.eicar.org/download/eicar.com
4.1.1.1.5 What to do if real-time protection does not work
In this chapter, we describe problem situations that may arise when using real-time protection, and how to
troubleshoot them.
Real-time protection is disabled
If real-time protection was inadvertently disabled by a user, it needs to be reactivated. To reactivate real-time
protection, navigate to Setup in the main program window and click Real-time file system protection.
If real-time protection is not initiated at system startup, it is usually because the Start Real-time file system
protection automatically option is deselected. To enable this option, navigate to Advanced setup (F5) and click
Computer > Antivirus and antispyware > Real-time file system protection in the Advanced setup tree. In the
Advanced setup section at the bottom of the window, make sure that the Start Real-time file system protection
automatically checkbox is selected.
If Real-time protection does not detect and clean infiltrations
Make sure that no other antivirus programs are installed on your computer. If two real-time protection shields are
enabled at the same time, they may conflict with each other. We recommend that you uninstall any other antivirus
programs on your system before installing ESET.
Real-time protection does not start
If real-time protection is not initiated at system startup (and the Start Real-time file system protection
automatically option is enabled), it may be due to conflicts with other programs. If this is the case, please contact
ESET Customer Care.
4.1.1.2 Computer scan
The on-demand scanner is an important part of your antivirus solution. It is used to perform scans of files and folders
on your computer. From a security standpoint, it is essential that computer scans are not just run when an infection is
suspected, but regularly as part of routine security measures. We recommend that you perform regular in-depth scans
of your system to detect viruses that are not captured by Real-time file system protection when they are written to the
disk.This can happen if Real-time file system protection is disabled at the time, the virus database is obsolete or the file
is not detected as a virus when it is saved to the disk.
Two types of Computer scan are available. Smart scan quickly scans the system with no need for further configuration
of the scan parameters. Custom scan allows you to select from predefined scan profiles designed to target specific
locations, and also lets you choose specific scan targets.
Smart scan
Smart scan allows you to quickly launch a computer scan and clean infected files with no need for user intervention. The
advantage of Smart scan is it is easy to operate and does not require detailed scanning configuration. Smart scan
checks all files on local drives and automatically cleans or deletes detected infiltrations. The cleaning level is
automatically set to the default value. For more detailed information on types of cleaning, see Cleaning.
Custom scan
Custom scan lets you specify scanning parameters such as scan targets and scanning methods. The advantage of
Custom scan is the ability to configure the parameters in detail. Configurations can be saved to user-defined scan
profiles, which can be useful if scanning is repeatedly performed with the same parameters.
Removable media scan
Similar to Smart scan – quickly launch a scan of removable media (such as CD/DVD/USB) that are currently connected to
the computer. This may be useful when you connect a USB flash drive to a computer and wish to scan its content for
malware and other potential threats.
This type of scan can be also initiated by clicking Custom scan, and then selecting Removable media from the Scan