Newfangled Technology Arrives from The Old West.

Vi-Spy Universal NIM Provides No-Load, Reliable Virus Protection for AU LAN
Platforms

SCOTTSDALE, AZ, USA. -- April 1994 -- RG Software Systems, Inc. has
introduced NIM (Network Installable Module) anti-virus technology for
networks which eliminates the system crashes and performance degradation
of NLM technology-based anti-virus products. The Vi-Spy Universal NIM
provides the convenience, control, and security of continuous real-time
monitoring of all I/O activity; centralized virus incident reporting,
software management, and distribution.

The network-independence of Vi-Spy Universal NIM means that for the first
time, a company with multiple server platforms (i.e.: Banyan, DEC
Pathworks, Microsoft LAN Manager, Unix, OS/2, Novell, etc.) can maintain a
standardized anti-virus program for all their DOS workstations. And, the
NIM's network-software-version independence, means that an upgrade of
Vi-Spy Universal NIM is not required every time a network vendor issues an
upgrade of their product.

Includes Automatic Diskette Checking and Stealth-X technology.

Another key feature of the NIM is the automatic checking of all diskettes
at all workstations for boot sector viruses which account for over 70% of
all reported virus incidents. The NIM also includes the new, proprietary
"Stealth" logic of Vi-Spy Version 12. The Stealth-X algorithms allow for
instantaneous detection of and recovery from both known and unknown
"stealth-type" partition sector infections. (i.e.: "Monkey" and "Joshi"
viruses)

Critically Acclaimed Virus Detection.

The Vi-Spy Universal NIM contains the superior virus detection capabilities
of one of the best rated virus detection engines in the industry (See
Virus Bulletin, 9-93 and 1-94 reviews of Vi-Spy... see attached charts)
Vi-Spy Professional is now in its 12th major release and is celebrating
its fifth year of providing serious virus protection for major corporate
and government organizations

NIM vs. NLM.

Raymond M Glath, Sr., founder and president of RG Software Systems, Inc.
talks about the announcement: "We chose to not jump on the "NLM" (Novell
Loadable Module) bandwagon as other a-v vendors did, because of its
inherent obsolescence and the problems with this type of architecture.
NLM's, besides being limited to the Novell platform, have a very, very
tiny window of time available for monitoring I/O traffic, looking for
viruses, without causing a severe impact on the performance of the server.
Since this "time window" remains constant and the number of viruses to be
detected grows continuously, performance degradation is bound to occur
with every update to the a-v NLM."

Glath continued, "Additionally, the Novell Netware, prior to Release 4,
does not have documented API's that would allow an a-v product to
accomplish "on-access" scanning. This has required the a-v developers to
"patch" into the Netware software to accomplish their desired task Anytime
you "patch into" a complex software package, you're bound to introduce
bugs and crashes."

No Crashes or Performance Degradation.

The Vi-Spy Universal NIM does not have these problems, reported Glath,
"because even though the software is installed on the server, the work is
being done at each workstation, for those actions taken by the
workstation." He went on to say, "Thus one user's actions does not cause a
degradation of performance for all the other users" Another key factor
raised by Glath is that the newer breed of viruses, specifically those
known as "Polymorphic Encrypting" viruses, such as "Satanbug" require far
more complex detection logic than the traditional "signature strings" that
most virus detection products utilize. Vi-Spy and its big brother, Vi-Spy
Universal NIM, are the only products that have been able to successfully
detach the complex Polymorphic detection logic from the base scanning
programs and include it with the virus signature strings in a single-file
"Virus Identification Module" This means that:

* Updates for new virus detection consist of copying a single
  file into place.
* Updates (as opposed to upgrades) include detection of new
  Polymorphic Encrypting viruses.
* All detection components, including TSR programs, detect the
  same viruses.

Customizable for Each User.

An interesting added advantage to Vi-Spy's NIM independence is flexibility.
Glath states, "Since the Vi-Spy NIM is not actually run on the server, a
network can have each workstation setup exactly the same or with various
runtime functions customized And the level of security can be controlled
as well. Vi-Spy can be set to perform a simple periodic scan of
workstation and server drives or to perform complete integrity checking
and access control, as well as a variety of points between these extremes.
We've allowed the decisions to be made by the Network Administrator,
rather than have them dictated by the product."

Vi-Spy, the first commercial a-v product to use scanning technology, was
introduced in 1989 and continues to be one of the top rated products in
the industry RG Software Systems, Inc is celebrating its tenth year in
business

RG Software Systems Inc
6900 East Camelback Rd, Suite 630
Scottsdale, AZ 85251
602-423-8000,  fax 602-423-8389

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