This virus was found in the spring of 1994. It has been reported
to be in the wild in the Czech Republic, Hungary and Poland. J&M
virus infects diskette boot sectors and hard disk MBRs in the
usual manner.
J&M is a destructive virus, activating on the 15th of November.
Upon activation, it enters an infinite loop and formats the first
tracks of the first hard drive. There has also been a large-scale
outbreak of J&M in Iceland during 1994. This is quite remarkable
in itself, since before this incident no new viruses had been
detected in Iceland for over two years. The virus was probably
brought into Iceland in a portable PC which had been infected
while its owner was traveling in Eastern Europe.
In autumn 1994 J&M was on the move in Germany, in early 1996 it
was reported to be in the wild in the USA as well and in May 1996
it was located also in Japan.
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