ThreatExpert's Statistics for Trojan-Downloader.Adpclient [PC Tools]:

Trojan-Downloader.Adpclient [PC Tools] is also known as:

Threat Alias	Number of Incidents
Troj/Agent-IWW [Sophos]	4
Trojan:Win32/Refpron.gen!C [Microsoft]	3
Trojan.Win32.Refpron [Ikarus]	2
Generic.dx [McAfee]	1

Trojan-Downloader.Adpclient [PC Tools] has the following possible country of origin:

Origin		Number of Incidents
	China	4