<s>
AWF	O
(	O
or	O
Agent.AWF	B-Application
)	O
is	O
a	O
malicious	O
Trojan	O
downloader	O
affecting	O
the	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
Agent.AWF	B-Application
displays	O
virus	O
activity	O
in	O
that	O
it	O
replaces	O
files	O
on	O
a	O
user	O
's	O
computer	O
with	O
a	O
copy	O
of	O
itself	O
,	O
and	O
moves	O
the	O
original	O
,	O
legitimate	O
file	O
to	O
a	O
back	O
sub-folder	O
.	O
</s>
<s>
It	O
is	O
also	O
known	O
to	O
modify	O
the	O
Windows	B-Protocol
registry	I-Protocol
.	O
</s>
<s>
Agent.AWF	B-Application
does	O
not	O
spread	O
automatically	O
:	O
it	O
needs	O
an	O
attacking	O
user	O
's	O
intervention	O
in	O
order	O
to	O
reach	O
the	O
affected	O
computer	O
.	O
</s>
<s>
The	O
means	O
of	O
transmission	O
used	O
include	O
,	O
among	O
others	O
,	O
floppy	B-Device
disks	I-Device
,	O
CD-ROMs	B-Device
,	O
emails	O
with	O
attached	O
files	O
,	O
Internet	O
downloads	O
,	O
FTP	B-Protocol
,	O
IRC	O
channels	O
,	O
peer-to-peer	O
(	O
P2P	O
)	O
file	O
sharing	O
networks	O
,	O
etc	O
.	O
</s>
