User Guide

Administrator’s Guide 35
Setting Policy for On-Access Scanning
–IfyouselectedDefault files, the compressedfile types that the
current scanning engine and .DAT files classify as susceptible
to infection will be included in scanning activities.
– If youselected Custom files, the scanner will examine only
thosecompressedfiletypesthatappearin thelistofextensions.
• Select Boot sectors to scan the disk boot sector of a floppy disk or
hard disk when a file is first accessed.
• Select Archive files forWindows NTor Windows2000 if you want
the scanner to examine these archive file types and their contents:
– To include these file types in scanning activities, you must
select this checkbox whether you selected All files, Default
files or Custom Files.
– If youselected Custom files, you must also verify that these
file types appear in the list of extensions.
6. Under Enable Heuristic Scanning Of, select the type of heuristic
scanning you prefer. Your options are:
7. Under General, select Show icon in the taskbar to display the
VirusScan icon inthe workstation’s taskbar. If you deselect thisitem, the
user sees no indication that virus scanning is active on the workstation.
8. Click Apply to save your detection policy settings.
WARNING: If you do not click Apply, you settings are ignored.
ARC
ARJ
CAB
LZH
RAR
TAR
ZIP
Macros Identifies all Microsoft Word, Microsoft Excel, and
other Microsoft Office files that contain embedded
macros,then compares the file characteristics
against a list of known virus characteristics. The
scanner identifies code signatures that resemble
existing viruses, and considers them to be potential
macro virus.
Program Files Locatesnewvirusesinprogramfilesbyexamining
filecharacteristicsand comparingthem against a list
of known virus characteristics. The scanner
identifies files with a sufficient number of these
characteristics as potential viruses.