<s>
TorrentLocker	B-Protocol
is	O
a	O
ransomware	O
trojan	O
targeting	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
malware	O
encrypts	O
the	O
victim	O
's	O
files	O
in	O
a	O
similar	O
manner	O
to	O
CryptoLocker	O
by	O
implementing	O
symmetric	O
block	O
cipher	O
AES	B-Algorithm
where	O
the	O
key	O
is	O
encrypted	O
with	O
an	O
asymmetric	B-Application
cipher	I-Application
.	O
</s>
<s>
TorrentLocker	B-Protocol
scans	O
the	O
system	O
for	O
programs	O
and	O
files	O
,	O
and	O
conceals	O
the	O
contents	O
through	O
AES	B-Algorithm
encryption	I-Algorithm
leaving	O
ransom	O
instructions	O
to	O
the	O
victim	O
on	O
what	O
has	O
to	O
be	O
done	O
,	O
and	O
how	O
to	O
pay	O
the	O
decryption	O
ransom	O
.	O
</s>
<s>
The	O
victim	O
is	O
told	O
to	O
pay	O
the	O
amount	O
in	O
Bitcoins	B-Protocol
,	O
and	O
is	O
sent	O
a	O
unique	O
Bitcoin	B-Protocol
address	O
that	O
differs	O
for	O
each	O
infected	O
user	O
.	O
</s>
