ThreatExpert's Statistics for Dropper/Mudrop.31839 [AhnLab]:

Dropper/Mudrop.31839 [AhnLab] is also known as:

Threat Alias	Number of Incidents
Mal/Packer [Sophos]	1
StartPage-HR [McAfee]	1
Trojan.Dropper [Symantec]	1
Trojan-Dropper.Agent [Ikarus]	1
Trojan-Dropper.Win32.Mudrop.aui [Kaspersky Lab]	1

Dropper/Mudrop.31839 [AhnLab] has the following possible country of origin:

Origin		Number of Incidents
	China	1