<s>
CamStudio	B-Application
is	O
an	O
open-source	B-Application
screencasting	B-Protocol
program	O
for	O
Microsoft	B-Application
Windows	I-Application
released	O
as	O
free	B-Application
software	I-Application
.	O
</s>
<s>
It	O
can	O
also	O
convert	O
these	O
AVIs	O
into	O
Flash	B-Operating_System
Video	I-Operating_System
format	O
,	O
embedded	O
in	O
SWF	O
files	O
.	O
</s>
<s>
CamStudio	B-Application
is	O
written	O
in	O
C++	B-Language
,	O
but	O
CamStudio	B-Application
3	O
will	O
be	O
developed	O
in	O
C#	B-Application
.	O
</s>
<s>
The	O
original	O
CamStudio	B-Application
was	O
released	O
as	O
an	O
open	B-Application
source	I-Application
product	O
by	O
RenderSoft	B-Application
software	O
in	O
October	O
2001	O
.	O
</s>
<s>
The	O
source	O
code	O
license	O
was	O
converted	O
to	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
in	O
December	O
2002	O
with	O
release	O
1.8	O
.	O
</s>
<s>
The	O
Source	O
code	O
of	O
versions	O
1.0	O
,	O
1.4	O
and	O
2.0	O
are	O
still	O
available	O
at	O
SourceForge	B-Application
.	O
</s>
<s>
eHelp	O
Corporation	O
released	O
an	O
updated	O
version	O
as	O
CamStudio	B-Application
2.1	O
under	O
a	O
proprietary	B-Application
software	I-Application
license	I-Application
only	O
and	O
removed	O
the	O
ability	O
to	O
create	O
SWFs	O
.	O
</s>
<s>
Development	O
of	O
CamStudio	B-Application
2.0	O
(	O
the	O
last	O
open-source	B-Application
version	O
)	O
was	O
resumed	O
and	O
released	O
as	O
free	B-Application
software	I-Application
again	O
in	O
September	O
2007	O
with	O
the	O
CamStudio	B-Application
2.5	O
Beta	O
1	O
release	O
.	O
</s>
<s>
Accordingly	O
,	O
it	O
was	O
re-branded	O
as	O
CamStudio	B-Application
Open	B-Application
Source	I-Application
.	O
</s>
<s>
CamStudio	B-Application
3	O
is	O
a	O
complete	O
rewrite	O
of	O
the	O
project	O
in	O
the	O
pre-alpha	O
stages	O
of	O
development	O
as	O
of	O
April	O
19	O
,	O
2010	O
.	O
</s>
<s>
In	O
2013	O
,	O
Google-run	O
website	O
VirusTotal	B-Application
declared	O
that	O
CamStudio	B-Application
contains	O
malicious	O
software	O
,	O
where	O
most	O
anti-virus	O
programs	O
detected	O
Artemis	O
Trojan	O
in	O
CamStudio	B-Application
installer	O
file	O
.	O
</s>
<s>
In	O
March	O
2016	O
,	O
the	O
developers	O
of	O
CamStudio	B-Application
reported	O
via	O
forum	O
post	O
that	O
the	O
ad	O
wrapper	O
in	O
the	O
CamStudio	B-Application
installer	O
had	O
been	O
removed	O
and	O
that	O
it	O
no	O
longer	O
offers	O
third-party	O
software	O
or	O
installs	O
malware	O
;	O
however	O
,	O
they	O
did	O
not	O
provide	O
evidence	O
of	O
independent	O
verification	O
in	O
the	O
post	O
.	O
</s>
<s>
In	O
a	O
VirusTotal	B-Application
analysis	O
of	O
the	O
installer	O
acquired	O
from	O
the	O
official	O
download	O
URL	O
on	O
10	O
August	O
2016	O
,	O
AVware	O
,	O
Dr.	O
</s>
<s>
Web	O
and	O
VIPRE	O
antivirus	O
tools	O
said	O
it	O
was	O
infected	O
with	O
"	O
InstallCore	B-Application
"	O
while	O
the	O
remaining	O
51	O
said	O
it	O
was	O
clean	O
.	O
</s>
<s>
A	O
VirusTotal	B-Application
analysis	O
of	O
the	O
installer	O
acquired	O
from	O
the	O
official	O
download	O
URL	O
on	O
14	O
February	O
2017	O
,	O
31	O
out	O
of	O
55	O
antivirus	O
tools	O
reported	O
malicious	O
content	O
,	O
mostly	O
showing	O
InstallCore	B-Application
.	O
</s>
<s>
A	O
second	O
analysis	O
of	O
the	O
installer	O
acquired	O
from	O
the	O
official	O
download	O
URL	O
on	O
8	O
March	O
2017	O
,	O
17	O
out	O
of	O
60	O
antivirus	O
tools	O
reported	O
malicious	O
content	O
,	O
mostly	O
showing	O
InstallCore	B-Application
.	O
</s>
<s>
As	O
of	O
23	O
September	O
2019	O
,	O
the	O
installer	O
offered	O
via	O
SourceForge	B-Application
appears	O
to	O
be	O
finally	O
virus-free	O
.	O
</s>
