<s>
Kronos	B-Application
was	O
a	O
type	O
of	O
banking	O
malware	O
first	O
reported	O
in	O
2014	O
.	O
</s>
<s>
Similar	O
to	O
Zeus	O
,	O
it	O
was	O
focused	O
on	O
stealing	O
banking	O
login	O
credentials	O
from	O
browser	O
sessions	O
via	O
a	O
combination	O
of	O
keylogging	O
and	O
web	B-Protocol
injection	I-Protocol
.	O
</s>
<s>
Hutchins	O
later	O
admitted	O
to	O
being	O
paid	O
to	O
work	O
on	O
Kronos	B-Application
and	O
its	O
predecessor	O
UPAS	O
Kit	O
(	O
named	O
after	O
the	O
toxic	O
Upas	O
tree	O
)	O
as	O
the	O
main	O
developer	O
between	O
2011	O
and	O
spring	O
2015	O
.	O
</s>
