<s>
Scour	B-Application
Inc	I-Application
.	I-Application
was	O
a	O
multimedia	O
Internet	B-Application
search	I-Application
engine	I-Application
,	O
and	O
provided	O
Scour	B-Application
Exchange	I-Application
,	O
an	O
early	O
peer-to-peer	O
file	O
exchange	O
service	O
.	O
</s>
<s>
The	O
company	O
's	O
early	O
products	O
were	O
an	O
SMB	B-Operating_System
search	B-Application
engine	I-Application
and	O
Scour	B-Application
Media	I-Application
Agent	I-Application
,	O
a	O
Windows	B-Application
application	O
to	O
download	O
files	O
from	O
SMB	B-Operating_System
shares	O
.	O
</s>
<s>
The	O
search	B-Application
engine	I-Application
would	O
probe	O
IP	O
addresses	O
for	O
publicly	O
shared	O
files	O
and	O
then	O
index	O
them	O
for	O
download	O
by	O
other	O
users	O
.	O
</s>
<s>
In	O
1998	O
,	O
the	O
company	O
developed	O
a	O
web	B-Application
search	I-Application
engine	I-Application
as	O
well	O
,	O
crawling	B-Application
the	O
World	O
Wide	O
Web	O
for	O
links	O
to	O
multimedia	O
audio	O
,	O
video	O
and	O
images	O
.	O
</s>
<s>
The	O
company	O
launched	O
a	O
software	O
product	O
named	O
MyCaster	O
which	O
allowed	O
users	O
to	O
stream	O
audio	O
over	O
the	O
network	O
,	O
optionally	O
mixing	O
microphone	O
input	O
with	O
an	O
MP3	B-Application
audio	I-Application
file	O
in	O
real	O
time	O
.	O
</s>
<s>
Faced	O
with	O
the	O
increasing	O
popularity	O
of	O
Napster	B-Application
,	O
Scour	O
developed	O
a	O
competing	O
peer-to-peer	O
service	O
named	O
Scour	B-Application
Exchange	I-Application
.	O
</s>
<s>
Unlike	O
Napster	B-Application
,	O
the	O
Scour	O
software	O
supported	O
video	O
and	O
images	O
in	O
addition	O
to	O
just	O
audio	O
files	O
,	O
and	O
integrated	O
all	O
users	O
into	O
one	O
network	O
.	O
</s>
<s>
The	O
company	O
also	O
tied	O
its	O
web	O
site	O
promotional	O
materials	O
to	O
the	O
Scour	B-Application
Exchange	I-Application
software	O
and	O
attempted	O
to	O
leverage	O
its	O
web	O
and	O
SMB	B-Operating_System
indexes	O
in	O
providing	O
additional	O
search	B-Application
results	I-Application
inside	O
the	O
Scour	B-Application
Exchange	I-Application
application	O
.	O
</s>
<s>
Scour	O
has	O
since	O
relaunched	O
in	O
early	O
2008	O
as	O
a	O
metasearch	B-Application
engine	I-Application
combining	O
the	O
three	O
most	O
used	O
search	B-Application
engines	I-Application
—	O
Google	B-Application
,	O
Yahoo	B-Application
!	I-Application
</s>
<s>
and	O
Live	B-Application
Search	I-Application
—	O
into	O
a	O
single	O
aggregated	O
search	O
page	O
with	O
social	O
concepts	O
.	O
</s>
<s>
This	O
virus	O
hijacks	O
the	O
web	O
browser	O
being	O
used	O
and	O
automatically	O
redirects	O
the	O
user	O
to	O
Scour	O
's	O
search	B-Application
engine	I-Application
.	O
</s>
<s>
The	O
user	O
's	O
browser	O
is	O
redirected	O
to	O
scour.com	O
after	O
clicking	O
a	O
link	O
,	O
usually	O
from	O
Google	B-Application
.	I-Application
</s>
