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1993-06-11
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June 11, 1993 InVircible Shareware Version 5.01
The ZIP file contains four files.
README.1ST -- This file.
WHITEPA.PER -- A White Paper giving a technical comparison of InVircible
and other anti-virus technology.
FILE_ID.DIZ -- The BBS filelist entry.
INVRCBLE.EXE -- A self-installing module for InVircible.
*** IMPORTANT ***
PLEASE READ THE FOLLOWING ADDENDUM BEFORE USING
INVIRCIBLE SHAREWARE!
The following information is an addendum to the
InVircible online help when used with
the InVircible Shareware product of Sela Consultants
Corporation (S.C.C.).
*** Before installing InVircible, any "anti-
virus" TSR must be disabled and not reactivated.
Anti-virus TSRs are not compatible with
InVircible's operational requirements. InVircible
does not require a TSR to be effective!
*** The INSTALL program of InVircible stores the
InVircible programs on your hard drive in the disk
partition and directory of your choosing. The
INSTALL program adds to your AUTOEXEC.BAT
executions of the InVircible programs V-INIT and
VGUARD. Do not remove the executions of these
programs from your AUTOEXEC.BAT. Removal of these
program executions compromises the protection
offered by InVircible which requires periodic
checking of your C:, D: (if D: exists), and E: (if
E: exists) disk partitions. You may add
additional detection capabilities to selected BAT
files using the InVircible INSTALL program's
(B)atches menu option. You must add VGUARD
executions for disk partitions beyond E: that are
not network server partitions.
*** After completing the InVircible Install
procedure, you are urged to copy your AUTOEXEC.BAT
file to a file that we suggest you call
SHUTDOWN.BAT. Using your text editor, remove all
lines except for those executing the InVircible
programs V-INIT and VGUARD. Before re-booting
(e.g., a warm-boot) or turning off the power,
execute this SHUTDOWN.BAT file as one last check
of your system for viruses. This will detect boot-
sector and other viruses that enter your system
and activate after the AUTOEXEC.BAT executions (or
later executions you run) of V-INIT and VGUARD.
The suggested SHUTDOWN.BAT file will enable you to
detect boot sector viruses at a point from which
recovery will be with less effort than if you wait
until after your next hard disk boot.
*** DOS 5.0 or Central Point PC Tools' users are
urged to consider the usefulness of taking
advantage of the MIRROR command, which saves the
File Access Table (FAT) for the disk partitions
you specify. If you use the MIRROR command in the
AUTOEXEC.BAT file, copy the UNFORMAT command to a
secure diskette.
*** DR-DOS 6.0's users are urged to consider the
usefulness of taking advantage of the DISKMAP
command, which performs the same functions as PC
Tools' MIRROR command. If you use of the DISKMAP
command in the AUTOEXEC.BAT file, copy the
UNDELETE command to a secure diskette.
*** The (B)atches menu option of the INSTALL
program will not insert a VIRTEST execution for
BAT files that are less than four lines long.
*** Users of monochrome laptops & notebooks may
need to place a MODE MONO command before the V-
INIT and VGUARD executions in the AUTOEXEC.BAT
file. This is sometimes needed to supersede the
VGA color default of some BIOS chips, especially
those used by some DELL laptops.
*** DR-DOS 6.0's users that create a Stacker
partition as D: and that also create a standard
FAT partition as E: will need to add a line in
AUTOEXEC.BAT that is identical to the VGUARD
execution for C:, except that "E:" appears instead
of "C:". Any DOS user that uses "D:" for other
than a hard disk FAT partition who also has an
"E:" hard disk FAT partition will need to follow
this advice directed to DR-DOS 6.0 users!
*** DOS users with only one or two hard disk
partitions (C: and D:) and that use the DOS device
driver DRIVER.SYS to add additional definitions
for the A: or B: floppy drive, will find that the
VGUARD execution in AUTOEXEC.BAT may ask for a
diskette to be inserted for floppy drives "D:" (if
only one hard disk partition is defined) and "E:"
(if one or two hard disk partitions are defined).
To eliminate the requirement to insert a diskette
for VGUARD in this specific use of DRIVER.SYS, use
FDISK to create additional hard disk partitions so
that you have at least three hard disk partitions
defined.
*** The references in the online help
that describe transfers of the InVircible
VCARE Authorization Key between the InVircible
diskette and the hard disk do not apply to
InVircible Shareware. Recovery and disinfection are
enabled only in the InVircible Lite and InVircible
Professional products. The manual delete-and-replace
option is the only virus removal technique provided for
with InVircible Lite.
*** Repeated viewing of the InVircible online
help (or readings of the printed manual) will
provide you with the background you need to handle
an actual virus attack with confidence. The least
effective time to learn what is in online help or
the printed manual is after a virus has attacked!