<s>
DroidKungFu	B-Application
is	O
a	O
malware	O
that	O
affects	O
Android	B-Application
OS	I-Application
.	O
</s>
<s>
The	O
first	O
evidence	O
of	O
this	O
malware	O
was	O
found	O
in	O
the	O
Android	B-Application
Market	O
in	O
March	O
2011	O
.	O
</s>
<s>
DroidKungFu	B-Application
was	O
discovered	O
by	O
US-based	O
researchers	O
Yajin	O
Zhou	O
and	O
Xuxian	O
Jiang	O
.	O
</s>
<s>
It	O
targets	O
the	O
Android	B-Application
2.2	I-Application
platform	O
and	O
allows	O
hackers	O
to	O
access	O
and	O
control	O
devices	O
.	O
</s>
<s>
DroidKungFu	B-Application
malware	O
can	O
collect	O
some	O
user	O
data	O
through	O
backdoor	O
hacking	O
.	O
</s>
<s>
DroidkungFu	B-Application
encrypts	O
two	O
different	O
root	O
exploits	O
:	O
a	O
udev	B-Application
exploit	O
and	O
a	O
"	O
RageAgainsTheCage	O
"	O
exploit	O
,	O
to	O
break	O
android	B-Application
security	O
.	O
</s>
