ThreatExpert's Statistics for Troj/Agent-GDP [Sophos]:

Troj/Agent-GDP [Sophos] is also known as:

Threat Alias	Number of Incidents
Backdoor.Bifrose [Symantec]	31
BKDR_BIFROSE.A [Trend Micro]	30
Backdoor.Win32.Bifrose [Ikarus]	21
BackDoor-CEP [McAfee]	20
Backdoor.Win32.Bifrose.uw [Kaspersky Lab]	16
Backdoor:Win32/Bifrose [Microsoft]	16
Backdoor.Bifrost.B [PC Tools]	13
Backdoor.Win32.Bifrose.agq [Kaspersky Lab]	13
Backdoor:Win32/Bifrose.FL [Microsoft]	13
Win-Trojan/Bifrose.38400.B [AhnLab]	11
Backdoor-CEP.gen.b [McAfee]	10
Win-Trojan/Bifrose.45056.B [AhnLab]	9
Backdoor.Bifrose.D [PC Tools]	4
Backdoor.Bifrost.ER [PC Tools]	4
Backdoor.Bifrose.LV [PC Tools]	1
Backdoor.Bifrose.PC [PC Tools]	1
Backdoor.Win32.Bifrose.ads [Kaspersky Lab]	1
Backdoor.Win32.Bifrose.dg [Kaspersky Lab]	1
BackDoor-CKA [McAfee]	1
TROJ_MALLVK.A [Trend Micro]	1

Troj/Agent-GDP [Sophos] has the following possible country of origin:

Origin		Number of Incidents
	Sweden	7

Troj/Agent-GDP [Sophos] is known to be created as:

%System%\bitfrost.exe

%System%\cvshost.exe

%System%\killdrv.exe

%System%\server.exe

%System%\spool32.exe

%System%\winudate32.exe

%Temp%\server.exe

%Windir%\lexplore.exe

%Windir%\server.exe

%Windir%\winhost.exe

c:\extracts\server.exe

c:\killdrv.exe

c:\murkrow.exe

c:\server.exe

Notes:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.