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From: kleef@cs.vu.nl (Patrick van Kleef)
Newsgroups: comp.sys.atari.st
Subject: Trojan Warning !!
Message-ID: <1053@ark.cs.vu.nl>
Date: Sun, 12-Jul-87 13:10:56 EDT
Article-I.D.: ark.1053
Posted: Sun Jul 12 13:10:56 1987
Date-Received: Mon, 13-Jul-87 03:36:18 EDT
Organization: V.U. Informatica, Amsterdam, the Netherlands
Lines: 20
Keywords: harddisk destroyer around...

Although I don't think there's a large chance the program
will make it across the Dutch borders, it can never harm
to warn the ST-community about the presence of a so called
Trojan Horse..

On my BBS in Amsterdam, Holland, a program has been uploaded
that did in fact destroy the contents of some people's harddisks.
It was described as a calcalutor with a very high accuracy (something
like 300 decimals). Running this calculator produced nothing but
a freshly cleaned harddisk.

So watch out for a program that's called CALCULAT.ARC (or CALCULAT.BAS in
its uncompressed form) and consists of a GfA Basic program. In it
are poorly disguised routines named 'DESTROY' and other names that
should make sirens sound, turn on red lights etc...

In general: always turn off the harddisk when running a downloaded
program, make regular back-ups and distrust downloads in general.
Boy, am I glad I run my BBS on an PC-clone, uncapable of running
ST-Trojans :)