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1995-06-12
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12KB
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256 lines
VirusScan Version 2.2
Copyright 1995 by McAfee, Inc.
All Rights Reserved.
McAfee, Inc. (408) 988-3832 office
2710 Walsh Avenue (408) 970-9727 fax
Santa Clara, CA 95051-0963 (408) 988-4004 BBS (25 lines)
U.S.A. USR HST/v.32/v.42bis/MNP1-5
CompuServe GO MCAFEE
InterNet support@mcafee.COM
Using VirusScan (Version 2.2)
TABLE OF CONTENTS
Chapter 1: Welcome to VirusScan / 1
What VirusScan includes / 3
System requirements / 5
License and registration / 6
Technical support / 6
Chapter 2: Don't skip this chapter / 10
Installing VirusScan / 11
Scanning your system / 14
If you detect a virus / 16
Activating VShield / 19
Making a clean start-up diskette / 21
Running the VirusScan programs / 23
When to rescan / 25
Updating VirusScan regularly / 25
Chapter 3: Scan Reference / 28
Technical overview / 30
Validating Scan / 31
Running Scan from the command line / 31
Scan command line option summary / 33
Scan option descriptions / 36
Cleaning viruses / 46
Examples / 50
Error levels / 51
Application note 1: Updating validation codes / 53
Application note 2: Reformatting infected
diskettes with DOS 5.0 and later / 53
Technical note 1: Creating an exception
list file for the /EXCLUDE option / 54
Chapter 4: VShield Reference / 55
Four levels of protection / 58
Running VShield / 60
VShield option summary / 64
VShield option descriptions / 66
Deciding which options are for you / 73
Examples / 75
Error levels / 76
Using VShieldCRC / 77
VShieldCRC option summary / 78
Using CheckVShield / 79
Technical note 1: Creating an exception list
for the /EXCLUDE option / 81
Technical note 2: Sample NetWare login
script and .BAT file / 82
Chapter 5: Tips & troubleshooting / 83
Appendix A: Retrieving McAfee programs with
communications software / 91
Appendix B: Options comparison between VirusScan
versions 1.5 and 2.1.1 / 96
Glossary / 106
Using VirusScan (Version 2.2) 1
CHAPTER 1: WELCOME TO VIRUSSCAN
Thank you for purchasing McAfee(R)'s VirusScan(TM)
software, a powerful and advanced system
designed to detect, eradicate, and prevent
computer viruses. VirusScan will help you
protect one of your most important assets--the
information on your personal computer or local
area network.
VirusScan includes two main programs:
o The Scan program detects known viruses in your
computer's memory or on disks. It can also
detect new and unknown viruses. Once viruses
are detected, it can remove them and restore
your system to normal operation. The Scan
program comes in two forms:
o A graphical interface so that you can select
commands and options using a mouse and
keyboard, if you like. For instructions,
see the on-line documentation.
o A command line interface, so you can run the
program and select options by typing from a
command prompt or from batch or script files,
if you prefer.
o The VShield(TM) memory-resident program
continuously monitors and protects your
system from viruses that might be introduced.
The VirusScan programs run on IBM-PC or 100%
compatible personal computers (PCs) that use
DOS, Windows, or OS/2.
VirusScan is an important element of a
comprehensive security program that includes a
variety of safety measures, such as regular
backups, meaningful password protection,
training, and awareness. We urge you to set up
and comply with such a security program in your
organization. For tips on how to do this, see
"Other sources of information" in this chapter.
After unpacking VirusScan you should have appropriate
program files on your system for the version you have
obtained (DOS, Windows, or OS/2). Several useful text
files are also included.
VirusScan for DOS Files
AGENTS.TXT - lists McAfee authorized agents.
CLEAN.DAT - virus removal data file required by SCAN.EXE
COMPUSER.NOT - explains how to obtain CompuServe membership
FILE_ID.DIZ - description of VirusScan used by some BBS software
FILENAME.TXT - explains ZIP file naming conventions
LICENSE.TXT - explains how to license VirusScan
NAMES.DAT - virus name data file required by SCAN.EXE
PACKING.LST - contains a list of all files, including
validation information
README.TXT - late-breaking information and new
instructions not contained in this manual
REGISTER.TXT - explains how to register VirusScan for your use
SCAN.DAT - virus string data file required by SCAN.EXE
SCAN.EXE - the VirusScan program
VIRUSCAN.TXT - on-line manual for VirusScan
VIRUSCAN.DOC - on-line manual for VirusScan (MS Word 6.0)
VALIDATE.EXE - check VirusScan programs for authenticity
VALIDATE.TXT - explains how to run VALIDATE.EXE
VShield Files
AGENTS.TXT - lists McAfee authorized agents
CHKVSHLD.EXE - checks for presence of VShield and VShieldCRC
in memory
COMPUSER.NOT - explains how to obtain CompuServe membership
FILENAME.TXT - explains ZIP file naming conventions
FILE_ID.DIZ - description of VShield used by some BBS software
LICENSE.TXT - explains how to license VShield
NAMES.DAT - virus name data file
PACKING.LST - contains a list of all files, including
validation information
README.TXT - late-breaking information and new
instructions not contained in this manual
REGISTER.TXT - explains how to register VirusScan for your use
SCAN.DAT - virus string data file
VALIDATE.EXE - check VirusScan programs for authenticity
VALIDATE.TXT - explains how to run VALIDATE.EXE
VIRUSCAN.TXT - on-line manual for VirusScan
VIRUSCAN.DOC - on-line manual for VirusScan (MS Word 6.0)
VSHEML.EXE - internal program for VShield
VSHIELD.DAT - virus string data file required by VSHIELD.EXE
VSHIELD.EXE - the VShield program
VSHINST.EXE - creates program group, icon for VSHLDWIN.EXE
VSHLDCRC.EXE - the VShieldCRC program
VSHLDWIN.EXE - used by VShield and VShieldCRC to display
messages within Windows
SYSTEM REQUIREMENTS
The VirusScan programs require an IBM-compatible
personal computer and any of the following
operating systems:
o DOS 3.1 or later
o Windows 3.1 or later
o IBM OS/2 2.1 or later
VShield is a terminate-and-stay-resident (TSR)
program. VShield attempts to minimize the use of
conventional memory by loading into expanded,
extended, or upper memory. For more information,
see "VShield Reference" in Chapter 4.
You'll need a high-density 3.5" diskette drive
to use the VirusScan diskette in this package.
Contact McAfee for other media, or download the
software from the McAfee bulletin board system
(BBS).
Using VirusScan (Version 2.2) 6
LICENSE AND REGISTRATION
The VirusScan software is provided under license
from McAfee, Inc., a copy of which is provided
with this manual. Please read it and comply with
it.
Also, please fill out and return the
registration form in your VirusScan package.
Registration entitles you to upgrades at no
charge from McAfee's bulletin board system and
other sources, as well as technical support, for
one year from your date of purchase.
TECHNICAL SUPPORT
For help in using this product, we invite you to
contact McAfee technical support. You can
contact us:
o On-line 24 hours a day, through our bulletin
board system, CompuServe, or Internet (see
"On-line access to updates and technical
support" below);
o By fax, at (408) 970-9727; or
o By telephone at (408) 988-3832, Monday through
Friday, 6:00 am to 5:00 pm Pacific Standard
Time.
For fast and accurate help, please have the
following information ready when you contact
McAfee:
o Program name and version number.
o Type and brand of computer, hard disk, and any
peripherals.
o Version of DOS, along with any TSRs or device
drivers in use.
o Printouts of your AUTOEXEC.BAT and CONFIG.SYS
files.
o A printout of the contents of memory, from the
MEM command (provided in DOS 4.0 and later)
or a similar utility.