<s>
Cabir	B-Language
(	O
also	O
known	O
as	O
Caribe	B-Language
,	O
SybmOS/Cabir	O
,	O
Symbian/Cabir	O
and	O
EPOC.cabir	O
)	O
is	O
the	O
name	O
of	O
a	O
computer	O
worm	O
developed	O
in	O
2004	O
that	O
is	O
designed	O
to	O
infect	O
mobile	O
phones	O
running	O
Symbian	B-Operating_System
OS	I-Operating_System
.	O
</s>
<s>
When	O
a	O
phone	O
is	O
infected	O
with	O
Cabir	B-Language
,	O
the	O
message	O
"	O
Caribe	B-Language
"	O
is	O
displayed	O
on	O
the	O
phone	O
's	O
display	O
,	O
and	O
is	O
displayed	O
every	O
time	O
the	O
phone	O
is	O
turned	O
on	O
.	O
</s>
<s>
The	O
worm	O
then	O
attempts	O
to	O
spread	O
to	O
other	O
phones	O
in	O
the	O
area	O
using	O
wireless	O
Bluetooth	B-Protocol
signals	O
.	O
</s>
<s>
The	O
worm	O
was	O
not	O
sent	O
out	O
into	O
the	O
wild	O
,	O
but	O
sent	O
directly	O
to	O
anti-virus	O
firms	O
,	O
who	O
believe	O
Cabir	B-Language
in	O
its	O
current	O
state	O
is	O
harmless	O
.	O
</s>
<s>
The	O
worm	O
can	O
attack	O
and	O
replicate	O
on	O
Bluetooth	B-Protocol
enabled	O
Series	B-Language
60	I-Language
phones	O
.	O
</s>
<s>
The	O
worm	O
tries	O
to	O
send	O
itself	O
to	O
all	O
Bluetooth	B-Protocol
enabled	O
devices	O
that	O
support	O
the	O
"	O
Object	O
Push	O
Profile	O
"	O
,	O
which	O
can	O
also	O
be	O
non-Symbian	O
phones	O
,	O
desktop	O
computers	O
or	O
even	O
printers	O
.	O
</s>
<s>
The	O
worm	O
spreads	O
as	O
a	O
.sis	B-Language
file	O
installed	O
in	O
the	O
Apps	O
directory	O
.	O
</s>
<s>
Cabir	B-Language
does	O
not	O
spread	O
if	O
the	O
user	O
does	O
not	O
accept	O
the	O
file-transfer	O
or	O
does	O
not	O
agree	O
with	O
the	O
installation	O
,	O
though	O
some	O
older	O
phones	O
would	O
keep	O
on	O
displaying	O
popups	O
,	O
as	O
Cabir	B-Language
re-sent	O
itself	O
,	O
rendering	O
the	O
UI	O
useless	O
until	O
yes	O
is	O
clicked	O
.	O
</s>
<s>
While	O
the	O
worm	O
is	O
considered	O
harmless	O
because	O
it	O
replicates	O
but	O
does	O
not	O
perform	O
any	O
other	O
activity	O
,	O
it	O
will	O
result	O
in	O
shortened	O
battery	O
life	O
on	O
portable	O
devices	O
due	O
to	O
constant	O
scanning	O
for	O
other	O
Bluetooth	B-Protocol
enabled	O
devices	O
.	O
</s>
<s>
Cabir	B-Language
was	O
named	O
by	O
the	O
employees	O
of	O
Kaspersky	O
Lab	O
after	O
their	O
colleague	O
Elena	O
Kabirova	O
.	O
</s>
<s>
Mabir	O
,	O
a	O
variant	O
of	O
Cabir	B-Language
,	O
is	O
capable	O
of	O
spreading	O
not	O
only	O
via	O
Bluetooth	B-Protocol
but	O
also	O
via	O
MMS	O
.	O
</s>
<s>
By	O
sending	O
out	O
copies	O
of	O
itself	O
as	O
a	O
.sis	B-Language
file	O
over	O
cellular	O
networks	O
,	O
it	O
can	O
affect	O
even	O
users	O
who	O
are	O
outside	O
the	O
10m	O
range	O
of	O
Bluetooth	B-Protocol
.	O
</s>
