User Guide

User’s Guide 143
Using the WinGuard Scanner
To modify the settings in this property page, follow these steps:
1. Select the Enable Internet download scanning checkbox.
The options in the rest of the property page activate.
2. Specify the types of files you want the Download Scan module to
examine. You can:
• Choose file types for scanning. Virusescannotinfectfilesthat
contain no executable code, whether script, macro, or binary code.
You can, therefore, safely narrow thescope of yourscan sessions so
that the module examines only those files most susceptible to virus
infection.To do so, select the Program files only button.
Toseeordesignatethefilenameextensions thattheDownloadScan
module will examine, click Extensions to open the Program File
Extensions dialog box (Figure 4-10).
Figure 4-26. Program File Extensions dialog box
See “Adding file name extensions for scanning” on page 313 and
“Current list of vulnerable file name extensions” on page 314 to
learn which file name extensions this module scans by default and
how to add to or change this list.
• Scan all files. Selectthe All files buttonto have the Download Scan
module examine any file, whatever its extension, whenever you or
a system process modifies it in any way.
• Scan compressed files. Select the Compressed files checkbox to
have the module look for viruses in compressed files or in file
archives.