ThreatExpert's Statistics for Trojan-Downloader.Win32.Agent.bdn [Kaspersky Lab]:

Trojan-Downloader.Win32.Agent.bdn [Kaspersky Lab] is also known as:

Threat Alias	Number of Incidents
Downloader-BBQ [McAfee]	4
TROJ_DLOADER.OHN [Trend Micro]	4
Infostealer [Symantec]	2
Trojan-Downloader.Agent!sd5 [PC Tools]	2

Trojan-Downloader.Win32.Agent.bdn [Kaspersky Lab] is known to be created as:

%ProgramFiles%\common files\system\updaterun.exe

Note: %ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.