<s>
Kaspersky	B-Application
Anti-Virus	I-Application
(	O
(	O
Antivirus	B-Application
Kasperskogo	O
)	O
;	O
formerly	O
known	O
as	O
AntiViral	B-Application
Toolkit	I-Application
Pro	I-Application
;	O
often	O
referred	O
to	O
as	O
KAV	B-Application
)	O
is	O
a	O
proprietary	O
antivirus	B-Application
program	I-Application
developed	O
by	O
Kaspersky	O
Lab	O
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
protect	O
users	O
from	O
malware	O
and	O
is	O
primarily	O
designed	O
for	O
computers	O
running	O
Microsoft	B-Application
Windows	I-Application
and	O
macOS	B-Application
,	O
although	O
a	O
version	O
for	O
Linux	B-Application
is	O
available	O
for	O
business	O
consumers	O
.	O
</s>
<s>
Kaspersky	B-Application
Anti-Virus	I-Application
features	O
include	O
real-time	O
protection	O
,	O
detection	O
and	O
removal	O
of	O
viruses	O
,	O
trojans	O
,	O
worms	O
,	O
spyware	O
,	O
adware	O
,	O
keyloggers	O
,	O
malicious	O
tools	O
and	O
auto-dialers	O
,	O
as	O
well	O
as	O
detection	O
and	O
removal	O
of	O
rootkits	O
.	O
</s>
<s>
Microsoft	B-Application
Windows	I-Application
users	O
may	O
download	O
an	O
antivirus	B-Application
rescue	O
disk	O
that	O
scans	O
the	O
host	O
computer	O
during	O
booting	B-Operating_System
inside	O
an	O
isolated	O
Linux	B-Application
environment	O
.	O
</s>
<s>
In	O
addition	O
,	O
Kaspersky	B-Application
Anti-Virus	I-Application
prevents	O
itself	O
from	O
being	O
disabled	O
by	O
malware	O
without	O
user	O
permission	O
via	O
password	O
access	O
prompts	O
upon	O
disabling	O
protection	O
elements	O
and	O
changing	O
internal	O
settings	O
.	O
</s>
<s>
It	O
also	O
scans	O
incoming	O
instant	B-Application
messenger	I-Application
traffic	O
,	O
email	O
traffic	O
,	O
automatically	O
disables	O
links	O
to	O
known	O
malware	O
hosting	O
sites	O
while	O
using	O
Internet	B-Application
Explorer	I-Application
or	O
Firefox	B-Application
,	O
and	O
includes	O
free	O
technical	O
support	O
and	O
free	O
product	O
upgrades	O
within	O
paid-subscription	O
periods	O
.	O
</s>
<s>
Kaspersky	B-Application
Anti-Virus	I-Application
lacks	O
certain	O
features	O
found	O
in	O
Kaspersky	B-Protocol
Internet	I-Protocol
Security	I-Protocol
.	O
</s>
<s>
These	O
missing	O
features	O
include	O
a	O
personal	B-Protocol
firewall	I-Protocol
,	O
HIPS	O
,	O
Secure	O
Keyboard	O
,	O
AntiSpam	O
,	O
AntiBanner	O
and	O
parental	O
control	O
tools	O
.	O
</s>
<s>
Also	O
,	O
Kaspersky	O
,	O
like	O
the	O
majority	O
of	O
its	O
competitors	O
,	O
is	O
incompatible	O
with	O
many	O
other	O
anti-virus	B-Application
and	O
anti-spyware	O
software	O
.	O
</s>
<s>
In	O
2005	O
,	O
two	O
critical	O
flaws	O
were	O
discovered	O
in	O
Kaspersky	B-Application
Anti-Virus	I-Application
.	O
</s>
<s>
An	O
edition	O
of	O
Kaspersky	O
's	O
anti-virus	B-Application
solution	O
for	O
Linux	B-Application
workstations	O
is	O
available	O
to	O
business	O
consumers	O
.	O
</s>
<s>
Specialized	O
editions	O
of	O
Kaspersky	B-Application
Anti-Virus	I-Application
are	O
also	O
available	O
for	O
a	O
variety	O
of	O
Linux	B-Application
servers	O
and	O
offer	O
protection	O
from	O
most	O
forms	O
of	O
malware	O
.	O
</s>
<s>
The	O
newly	O
released	O
Macintosh	B-Device
capable	O
edition	O
of	O
Kaspersky	B-Application
Anti-Virus	I-Application
is	O
compatible	O
on	O
(	O
Intel	O
Processor	B-General_Concept
Based	O
)	O
Mac	B-Application
OS	I-Application
X	I-Application
Tiger	I-Application
and	O
higher	O
to	O
include	O
the	O
brand	O
new	O
version	O
Mac	B-Device
OS	I-Device
X	I-Device
Snow	I-Device
Leopard	I-Device
,	O
released	O
in	O
August	O
2009	O
.	O
</s>
<s>
Kaspersky	O
Lab	O
internal	O
testing	O
concludes	O
consuming	O
only	O
2%	O
CPU	B-Device
impact	O
on	O
performance	O
and	O
is	O
designed	O
to	O
maintain	O
a	O
user	O
friendly	O
Mac-like	O
interface	O
with	O
which	O
Mac	B-Device
users	O
are	O
familiar	O
.	O
</s>
<s>
Kaspersky	B-Application
Anti-Virus	I-Application
for	O
Mac	B-Device
contains	O
definitions	O
to	O
detect	O
and	O
block	O
malware	O
affecting	O
Windows	O
,	O
Linux	B-Application
and	O
macOS	B-Application
alike	O
.	O
</s>
<s>
Kaspersky	B-Application
Anti-Virus	I-Application
for	O
Mac	B-Device
also	O
scans	O
shared	O
folders	O
of	O
users	O
running	O
Windows	O
using	O
Virtual	B-Application
PC	I-Application
on	O
capable	O
Apple	B-Device
Macintosh	I-Device
personal	O
computers	O
.	O
</s>
<s>
A	O
DVD-ROM	O
or	O
CD-ROM	B-Device
drive	O
,	O
Internet	B-Application
Explorer	I-Application
8	O
or	O
above	O
and	O
Windows	B-Application
Installer	I-Application
3.0	O
or	O
above	O
are	O
also	O
required	O
for	O
the	O
installation	O
of	O
Kaspersky	B-Application
Anti-Virus	I-Application
in	O
Windows	O
.	O
</s>
<s>
According	O
to	O
AV-Comparatives	O
,	O
Kaspersky	B-Application
Anti-Virus	I-Application
rates	O
highly	O
amongst	O
virus	B-Application
scanners	I-Application
in	O
terms	O
of	O
detection	O
rates	O
and	O
malware	O
removal	O
,	O
even	O
despite	O
the	O
fact	O
that	O
the	O
program	O
has	O
failed	O
two	O
Virus	O
Bulletin	O
tests	O
in	O
2007	O
and	O
another	O
two	O
in	O
2008	O
.	O
</s>
<s>
For	O
example	O
,	O
in	O
a	O
Malware	O
Removal	O
test	O
done	O
by	O
AV-Comparatives	O
the	O
Kaspersky	B-Application
Antivirus	I-Application
2013	O
was	O
awarded	O
the	O
highest	O
"	O
Advanced+	O
"	O
rating	O
and	O
was	O
able	O
to	O
successfully	O
remove	O
all	O
of	O
14	O
malware	O
samples	O
used	O
in	O
that	O
test	O
and	O
in	O
the	O
following	O
File	O
Detection	O
test	O
Kaspersky	B-Application
Antivirus	I-Application
2013	O
was	O
also	O
able	O
to	O
achieve	O
the	O
same	O
"	O
Advanced+	O
"	O
rating	O
with	O
a	O
99.2	O
%	O
sample	O
detection	O
rate	O
.	O
</s>
<s>
In	O
addition	O
,	O
PC	O
World	O
awarded	O
Kaspersky	B-Application
Anti-Virus	I-Application
6	O
the	O
highest	O
rank	O
in	O
its	O
2007	O
anti-virus	B-Application
comparative	O
.	O
</s>
<s>
The	O
well-known	O
and	O
highly	O
regarded	O
Ars	O
Technica	O
lists	O
Kaspersky	O
as	O
one	O
of	O
the	O
best	O
choices	O
for	O
Anti-Virus	B-Application
on	O
the	O
Windows	O
platform	O
.	O
</s>
<s>
Kaspersky	B-Application
Anti-Virus	I-Application
was	O
"	O
A-listed	O
"	O
by	O
the	O
UK	O
PC	O
journal	O
PC	O
Pro	O
in	O
late	O
2007	O
,	O
where	O
it	O
scored	O
very	O
highly	O
for	O
detection	O
and	O
removal	O
of	O
malware	O
.	O
</s>
<s>
In	O
June	O
2015	O
,	O
United	O
States	O
National	O
Security	O
Agency	O
and	O
United	O
Kingdom	O
Government	O
Communications	O
Headquarters	O
agents	O
broke	O
Kaspersky	B-Application
antivirus	I-Application
software	O
so	O
that	O
they	O
could	O
spy	O
on	O
people	O
,	O
leaks	O
indicate	O
.	O
</s>
<s>
On	O
15	O
March	O
2022	O
,	O
the	O
German	O
(	O
BSI	O
)	O
issued	O
a	O
warning	O
against	O
the	O
usage	O
of	O
Kaspersky	B-Application
antivirus	I-Application
and	O
cloud	O
software	O
.	O
</s>
<s>
For	O
antivirus	B-Application
software	I-Application
to	O
work	O
it	O
requires	O
deep	O
access	O
into	O
the	O
user	O
's	O
system	O
and	O
thus	O
a	O
particularly	O
high	O
level	O
of	O
trust	O
in	O
the	O
software	O
,	O
the	O
vendor	O
and	O
the	O
encrypted	O
update	O
channel	O
.	O
</s>
<s>
Kaspersky	O
responded	O
that	O
the	O
warning	O
is	O
politically	O
motivated	O
,	O
and	O
that	O
Kaspersky	O
’s	O
data	O
processing	O
centers	O
are	O
located	O
in	O
Switzerland	B-Protocol
,	O
the	O
source	O
code	O
is	O
available	O
for	O
inspection	O
,	O
and	O
it	O
is	O
independently	O
audited	O
.	O
</s>
