<s>
AntiCMOS	B-Application
is	O
a	O
boot	O
virus	O
.	O
</s>
<s>
AntiCMOS	B-Application
is	O
a	O
fairly	O
standard	O
boot	O
virus	O
,	O
and	O
is	O
primarily	O
notable	O
for	O
being	O
one	O
of	O
the	O
few	O
DOS	B-Device
viruses	O
to	O
remain	O
in	O
the	O
wild	O
as	O
of	O
2020	O
.	O
</s>
<s>
AntiCMOS	B-Application
is	O
so	O
named	O
because	O
it	O
has	O
the	O
intended	O
effect	O
of	O
erasing	O
all	O
CMOS	B-Device
information	O
.	O
</s>
<s>
This	O
is	O
true	O
of	O
all	O
AntiCMOS	B-Application
variants	O
that	O
have	O
appeared	O
in	O
the	O
wild	O
.	O
</s>
<s>
The	O
payload	O
date	O
of	O
December	O
1993	O
and	O
the	O
obsolete	O
nature	O
of	O
these	O
variants	O
makes	O
it	O
very	O
unlikely	O
that	O
AntiCMOS	B-Application
's	O
payload	O
will	O
ever	O
be	O
a	O
threat	O
.	O
</s>
<s>
AntiCMOS.B	B-Application
is	O
a	O
boot	O
virus	O
.	O
</s>
<s>
Like	O
AntiCMOS.A	B-Application
,	O
AntiCMOS.B	B-Application
became	O
common	O
worldwide	O
.	O
</s>
<s>
Infected	O
floppy	B-Device
disks	I-Device
contain	O
the	O
following	O
text	O
:	O
</s>
<s>
Additionally	O
,	O
AntiCMOS.B	B-Application
attempts	O
to	O
play	O
a	O
tune	O
,	O
but	O
this	O
fails	O
due	O
to	O
coding	O
errors	O
.	O
</s>
<s>
AntiCMOS.B	B-Application
is	O
otherwise	O
a	O
typical	O
boot	O
virus	O
,	O
much	O
like	O
its	O
predecessor	O
.	O
</s>
<s>
AntiCMOS.C	B-Application
is	O
a	O
boot	O
virus	O
and	O
very	O
minor	O
variant	O
of	O
the	O
AntiCMOS	B-Application
family	O
.	O
</s>
<s>
Unlike	O
AntiCMOS	B-Application
and	O
AntiCMOS.B	B-Application
,	O
AntiCMOS.C	B-Application
remained	O
in	O
the	O
field	O
for	O
a	O
very	O
short	O
period	O
of	O
time	O
,	O
and	O
is	O
now	O
considered	O
entirely	O
obsolete	O
.	O
</s>
