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1994-03-11
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offers an update service.
anti-viral product instead of using Disinfectant. Purchase a product which
Mactivity-macclub benelux update service, or purchase a commercial
information listed above, we recommend that you either subscribe to the
viruses appear. If you do not have access to any of the sources of
It is very important to keep your virus protection tools up to date as new
for more information.
Disinfectant as new viruses appear. Write to them at the above address
not just Western Europe. For a fee they will send you new versions of
Disinfectant. This service is available to people anywhere in the world,
Mactivity-macclub benelux also offers an international update service for
B-4761 B├╝llingen Belgium
Wirtzfeld Valley 140
Disinfectant Update
Mactivity-macclub benelux
Mactivity-macclub benelux. Stamps are not required. The address is:
Disinfectant by sending a self-addressed disk mailer and a floppy disk to
People in Western Europe may obtain a copy of the latest version of
cardboard disk mailers.
(available from any post office). Please use sturdy envelopes, preferably
the US may send an international postal reply coupon instead of US stamps
the author at the address given at the end of this manual. People outside
self-addressed stamped envelope and a floppy disk (800K or 1440K) to
shareware software may obtain a copy of Disinfectant by sending a
Macintosh users who do not have access to electronic sources of free and
ΓÇó Read the USENET news group comp.sys.mac.announce.
ΓÇó Subscribe to the BITNET distribution lists VIRUS-L and INFO-MAC.
CompuServe, or GEnie. Join the Macintosh forums.
ΓÇó Subscribe to a commercial online service such as America Online,
excellent bulletin boards for their members.
ΓÇó Join a Macintosh electronic bulletin board. Many user groups operate
(Boston Computer Society), or a local user group.
ΓÇó Join a user group such as BMUG (Berkeley Macintosh User Group), BCS
the latest news about Macintosh viruses and new Disinfectant releases:
services. Nonetheless, there are several ways you can keep abreast of
commercial services such as telephone support, mailing lists, or upgrade
Disinfectant is not a commercial product. We cannot offer typical
rascal.ics.utexas.edu, and comp.binaries.mac.
Calvacom, Delphi, BIX, MacNet, sumex-aim.stanford.edu,
New versions are also posted to CompuServe, GEnie, America Online,
ftp://ftp.acns.nwu.edu/pub/disinfectant/
within a few days. The official anonymous FTP site is:
we usually release a new version of Disinfectant to recognize the virus
Disinfectant is distributed electronically. When a new virus is discovered,
to the comparatively meaningless damage caused by computer viruses.
compare the enormous suffering caused by biological viruses such as HIV
they never occur naturally. Most importantly, it is not possible to
never created by people. Computer viruses are always created by people;
organisms. Biological viruses usually occur naturally and are almost
between biological and computer viruses too far. Computers are not living
As with all analogies, however, it is possible to carry the analogy
inoculate or vaccinate the system to protect it against future infection.
the infection without damaging the system and it is sometimes possible to
damaged. With both kinds of viruses, it is sometimes possible to remove
survive. In both cases, the infected system is sometimes severely
Both of them replicate and they both require the assistance of a host to
The analogy between biological viruses and computer viruses is striking.
the virus problem and other security concerns endanger this revolution.
and regulations imposed by the corporate MIS priesthood. We cannot let
extensions of each individualΓÇÖs imagination, unfettered by arbitrary rules
the empowerment of the individual. At their best, personal computers are
the personal computer revolution (especially the Macintosh revolution) is
are completely unnecessary and are in fact very dangerous. The heart of
employees from joining bulletin boards or user groups! These restrictions
software. Some companies have even gone so far as to prohibit their
in locked rooms and do not permit their employees to use unapproved
doing more harm than good. For example, some companies keep computers
on the use of personal computers and personal computer software are
overreact to the threat. Organizations which impose severe restrictions
The virus problem is serious, but even more serious is the tendency to
of freeware and shareware software are remarkably virus-free.
infected commercial software, while most of the major national sources
from the truth. There have been many reported cases of (inadvertently)
viruses by merely avoiding shareware and freeware software. This is far
There is a misconception that you can protect your Macintosh against
simple things we suggest you do to protect your Mac.
viruses. See the section titled ΓÇ£RecommendationsΓÇ¥ for a short list of the
minutes per week to effectively protect your Macintosh against the known
should take the problem seriously. Using Disinfectant, it only takes a few
There is no need to panic over the current virus situation. However, you
Trojan horses.
Disinfectant does not attempt to address the problems of worms and
you ogled the cheesecake images. Trojan horses do not replicate.
the ΓÇ£Sexy LadiesΓÇ¥ HyperCard stack, which erased your hard drive while
additionally does something destructive behind your back. An example is
A ΓÇ£Trojan horseΓÇ¥ is a program which appears to do something useful, yet
computers in a single day.
infected and disabled several thousand government and university UNIX
The most well-known example is the Fall 1988 Internet worm, which
computers. They are not spread through the sharing of software or disks.
survive and replicate. Worms usually spread over a network of
itself to other programs. Unlike a virus, it does not require a host to
A ΓÇ£wormΓÇ¥ is a program which replicates and spreads, but does not attach
such as ΓÇ£wormsΓÇ¥ and ΓÇ£Trojan horses.ΓÇ¥
Viruses should not be confused with other types of destructive software
against infection by any of the known non-HyperCard Mac viruses.
properly installed, the Disinfectant INIT will protect an uninfected system
Disinfectant also includes a virus protection extension (INIT). When
stacks.
ΓÇ£MerryXMasΓÇ¥ viruses. These viruses only propagate between HyperCard
Disinfectant does not recognize the ΓÇ£DukakisΓÇ¥, ΓÇ£Three TunesΓÇ¥, or
have to get a new copy of the program.
appears, we will have to modify the program to recognize it, and you will
been configured and programmed to recognize. If a new virus or strain
Disinfectant will not recognize all possible viruses: only the ones it has
possible, repair files which have been infected by the viruses.
unknown variations and clones. It will both detect the viruses and, when
viruses. Furthermore, Disinfectant also recognizes many possible
viruses. It also recognizes all the known variations and clones of these
Disinfectant recognizes all of the currently known non-HyperCard Mac
crashes and strange behavior.
also discovered errors in most viruses which can cause unexplained
interfere in unexpected ways with other parts of the system. We have
They also live at very low levels in the operating system and can
memory and disk space and this is enough to cause problems all by itself.
problems with the normal operation of their Macintosh. Viruses occupy
unintentional. Many people who have experienced infections have reported
non-malicious viruses are always damaging, even if the damage is
are non-malicious. It is very important to realize, however, that even
We are very fortunate that to date most of the known Macintosh viruses
damage or delete files or destroy the contents of hard drives.
damage something. For example, malicious viruses often intentionally
other hand, malicious viruses, in addition to replicating, do attempt to
else innocuous, but they do not intentionally try to do any damage. On the
example, they may beep, display messages on the screen, or do something
replicate, but they do not attempt to do anything destructive. For
Viruses may be malicious or non-malicious. Non-malicious viruses
and distribution of infected software or infected disks.
computer. Viruses spread from one Macintosh to another via the sharing
files. Viruses quickly spread to other files and disks as you use your
A virus is a piece of software which attaches itself to other programs or
continue to cause problems for some time.
years ago, viruses continue to spread rapidly and widely. Viruses will
community, although the problem is not as serious as it was several
increasingly serious problem in the computing world. In the Macintosh
Viruses and other kinds of destructive computer software have become an
åIntroduction
,
,