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Disinfectant 3.0

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Disinfectant 3.0 $@$OL5NA$N(J Macintosh $@MQ(J $@BP%t%#!<%k%9!&%f!<%F%#%j%F(J$@%#$N(J
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Urbana-Champaign $@$N(J $@%$%j%N%$Bg3X$N(J Gatekeeper $@%f!<%6!<$N$H$3$m$G!"46@w(J
$@$7$?%"%W%j%1!<%7%g%s$,<+J,<+?H$r(J "Disinfectant" $@$HL>A0$rBX$($h$&$H$7$?(J
$@$H$-$KH/8+$5$l$^$7$?!#$3$N?77OE}$rH/8+$G$-$?$3$H$r(J Chris Johnson $@$HH`(J
$@$N(J$@:n$C$?%W%m%0%i%`(J Gatekeeper $@$K46<U$7$^$9!#(J

CDEF $@%t%#!<%k%9$N?7%P!<%8%g%s$O%K%e!<%h!<%/$GH/8+$5$l$^$7(J$@$?!#$b$H$N%t%#!<(J
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$@$j$^$;$s!#$7$+(J$@$7;DG0$K$b!"$3$N?7%P!<%8%g%s$O(J Disinfectant $@%P!<%8%g%s(J 
2.9 protection INIT $@$K$h$k8!=P$K0z$C$+$+$j$^$;(J$@$s(J $@!J%"%W%j%1!<%7%g%sHG(J
$@$K$O$R$C$+$+$j$^$9!K!#(J Disinfectant $@%P!<%8%g%s(J 3.0 INIT $@$O$3$NLdBj$rD>(J
$@$7$^$7(J$@$?!#%P!<%8%g%s(J 3.0 $@$G$O!"$3$N(J INIT $@$H%"%W%j%1!<%7%g%sHG$NN>J}$H(J
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T4 $@$H(J CDEF $@%t%#!<%k%9$N$D$$$F>\$7$$>pJs$rCN$k$?$a$K$O!"(J Disinfectant 
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$@$3$N%P!<%8%g%s$G$O!"$5$i$K!"(JAladdin Systems $@$N@=IJ(J StuffIt SpaceSaver 
$@$G$NLdBj$bD>$7$^$7$?!#$"$k>uBV$N;~!"(J Disinfectant $@$O!"05=L$5$l$?%U%!%$(J
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Disinfectant 3.0 $@$O!"8=:_(J anonymous FTP $@$K$h$C$F!"(J ftp.acns.nwu.edu
[129.105.113.52] $@$+$i<j$KF~$l$i$l$^$9!#$^$?$3$l$O!"$9$0$K(J 
sumex-aim.stanford.edu $@$d(J rascal.ics.utexas.edu$@!"(J comp.binaries.mac$@!"(J 
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$@=j$N:n<T$N$H$3$m$XAw(J$@$k$3$H$G!"(J Disinfectant $@$rF~<j$9$k$3$H$,$G$-$^$9!#(J
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(international postal reply coupon) $@$rAw$l$P7k9=$G$9(J ($@$I$3$NM9JX6I$G$b(J
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People in Western Europe may obtain a copy of the latest version of 
Disinfectant by sending a self-addressed disk mailer and an 800K floppy 
disk to macclub benelux. Stamps are not required. The address is:

   macclub benelux
   Disinfectant Update
   Wirtzfeld Valley 140
   B-4761 Bullingen Belgium

Mactivity-macclub benelux also offers an international update service
for Disinfectant. This service is available to people anywhere in the
world, not just Western Europe. For a fee they will send you new 
versions of Disinfectant as new viruses appear. Write to them at the
above address for more information.

John Norstad
Academic Computing and Network Services
Northwestern University
2129 Campus Drive North
Evanston, IL 60208 USA

j-norstad@nwu.edu

$@Lu(J:
$@>.@n(J  $@2m?M(J
Internet: ogawa@sm.sony.co.jp
--- the original
Disinfectant 3.0

February 24, 1993

Disinfectant 3.0 is a new release of our free Macintosh anti-viral 
utility.

Version 3.0 detects the new T4-C strain of the T4 virus and a new
version of the CDEF virus. 

The new T4-C strain of the T4 virus is very similar to the T4-A strain.
It was discovered at the University of Illinois at Urbana-Champaign
by a Gatekeeper user when an infected application attempted to rename
itself "Disinfectant". Thanks to Chris Johnson and his Gatekeeper program
for helping to discover this new strain.

The new version of the CDEF virus was discovered in New York. There are
only minor technical differences between the new version and the
original virus. Unfortunately, the new version escaped detection by the
Disinfectant version 2.9 protection INIT (but not by the application).
The Disinfectant version 3.0 INIT fixes this problem. In version 3.0,
both the INIT and the application recognize both the original virus and
the new version.

Please consult the Disinfectant online manual for more detailed information
about the T4 and CDEF viruses.

Note that this version 3.0 is NOT a major new release of Disinfectant
with major new features. Normally, with Mac programs, a minor upgrade is
indicated by increasing the number after the decimal point in the
version number. According to this rule, this new version should be
numbered 2.10. Unfortunately, Apple's version numbering scheme does not
permit more than one digit after the decimal point. For this reason,
this new version is numbered 3.0.

We also fixed some errors which could cause crashes when scanning
pathological files with very large resources (e.g., the "PSpice"
program).

This version also fixes a problem with Aladdin Systems' StuffIt
SpaceSaver product. In some cases, Disinfectant would improperly report
that compressed files had damaged resource forks. 

Disinfectant 3.0 is available now via anonymous FTP from site 
ftp.acns.nwu.edu [129.105.113.52]. It will also be available soon on 
sumex-aim.stanford.edu and info-mac mirror sites, rascal.ics.utexas.edu,
comp.binaries.mac, America Online, CompuServe, GEnie, Delphi, BIX,
MacNet, Calvacom, and other popular sources of free and
shareware software.

Macintosh users who do not have access to electronic sources of free and 
shareware software may obtain a copy of Disinfectant by sending a self-
addressed stamped envelope and an 800K floppy disk to the author at the 
address given below. People outside the US may send an international postal 
reply coupon instead of US stamps (available from any post office). Please 
use sturdy envelopes, preferably cardboard disk mailers.

People in Western Europe may obtain a copy of the latest version of 
Disinfectant by sending a self-addressed disk mailer and an 800K floppy 
disk to macclub benelux. Stamps are not required. The address is:

   macclub benelux
   Disinfectant Update
   Wirtzfeld Valley 140
   B-4761 Bullingen Belgium

Mactivity-macclub benelux also offers an international update service
for Disinfectant. This service is available to people anywhere in the
world, not just Western Europe. For a fee they will send you new 
versions of Disinfectant as new viruses appear. Write to them at the
above address for more information.

John Norstad
Academic Computing and Network Services
Northwestern University
2129 Campus Drive North
Evanston, IL 60208 USA

j-norstad@nwu.edu