<s>
MacSweeper	B-Application
is	O
a	O
rogue	O
application	O
that	O
misleads	O
users	O
by	O
exaggerating	O
reports	O
about	O
spyware	O
,	O
adware	O
or	O
viruses	O
on	O
their	O
computer	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
known	O
"	O
rogue	O
"	O
application	O
for	O
the	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
operating	O
system	O
.	O
</s>
<s>
,	O
the	O
official	O
website	O
for	O
the	O
application	O
,	O
macsweeper.com,	O
was	O
shut	O
down	O
,	O
as	O
was	O
the	O
website	O
for	O
KiVVi	B-Application
Software	I-Application
shortly	O
after	O
.	O
</s>
<s>
MacSweeper	B-Application
could	O
be	O
downloaded	O
through	O
KiVVi	B-Application
software	I-Application
's	O
(	O
the	O
company	O
that	O
makes	O
the	O
"	O
rogue	O
"	O
)	O
website	O
,	O
as	O
a	O
drive-by	O
download	O
,	O
or	O
silently	O
downloaded	O
with	O
another	O
application	O
.	O
</s>
<s>
Once	O
automatically	O
installed	O
,	O
MacSweeper	B-Application
scans	O
the	O
computer	O
and	O
informs	O
the	O
user	O
that	O
many	O
applications	O
on	O
their	O
computer	O
(	O
such	O
as	O
iCal	B-Language
or	O
Dashboard	B-Application
,	O
safe	O
pre-installed	O
Apple	O
applications	O
)	O
are	O
"	O
fat	O
binaries	O
or	O
trash	O
"	O
and	O
must	O
be	O
slimmed	O
immediately	O
.	O
</s>
<s>
MacSweeper	B-Application
's	O
Graphical	B-Application
User	I-Application
Interface	I-Application
and	O
behaviour	O
is	O
almost	O
identical	O
to	O
another	O
program	O
that	O
is	O
published	O
by	O
KiVVi	B-Application
Software	I-Application
,	O
Cleanator	B-Application
.	O
</s>
<s>
Cleanator	B-Application
,	O
however	O
is	O
designed	O
for	O
Windows	O
operating	O
systems	O
.	O
</s>
<s>
It	O
is	O
also	O
very	O
similar	O
to	O
the	O
SpySheriff	B-Application
and	O
SpyAxe	O
applications	O
,	O
infamous	O
for	O
typosquatting	B-Protocol
Google	B-Application
.	I-Application
</s>
<s>
A	O
paragraph	O
from	O
within	O
the	O
software	O
that	O
encourages	O
users	O
to	O
purchase	O
the	O
full	O
version	O
is	O
identical	O
to	O
that	O
of	O
SpySheriff	B-Application
.	O
</s>
<s>
SiteAdvisor	B-Application
,	O
a	O
division	O
of	O
McAfee	O
has	O
controversially	O
given	O
the	O
site	O
a	O
green	O
rating	O
.	O
</s>
<s>
However	O
,	O
SiteAdvisor	B-Application
's	O
tests	O
are	O
conducted	O
on	O
PCs	O
,	O
that	O
cannot	O
recognise	O
.dmg	B-Operating_System
,	O
the	O
file	O
format	O
of	O
MacSweeper	B-Application
.	O
</s>
<s>
MacSweeper	B-Application
has	O
received	O
much	O
media	O
attention	O
from	O
websites	O
including	O
CNET	O
as	O
well	O
as	O
others	O
,	O
as	O
it	O
is	O
considered	O
to	O
be	O
one	O
of	O
the	O
first	O
instances	O
of	O
malware	O
designed	O
for	O
the	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
operating	O
system	O
.	O
</s>
