<s>
Ghost	B-Application
Push	I-Application
is	O
a	O
family	O
of	O
malware	O
that	O
infects	O
the	O
Android	B-Application
OS	I-Application
by	O
automatically	O
gaining	O
root	B-Application
access	I-Application
,	O
downloading	O
malicious	O
and	O
unwanted	O
software	O
.	O
</s>
<s>
Infection	O
typically	O
comes	O
via	O
downloading	O
applications	O
from	O
third-party	O
app	B-Application
stores	I-Application
,	O
where	O
at	O
least	O
thirty-nine	O
applications	O
have	O
been	O
identified	O
as	O
carriers	O
.	O
</s>
<s>
At	O
its	O
peak	O
,	O
the	O
Ghost	B-Application
Push	I-Application
virus	O
infected	O
more	O
than	O
600,000	O
devices	O
daily	O
,	O
with	O
50%	O
of	O
infections	O
occurring	O
from	O
India	O
,	O
as	O
well	O
as	O
from	O
Indonesia	O
and	O
the	O
Philippines	O
,	O
ranking	O
second	O
and	O
third	O
.	O
</s>
