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ThreatExpert's Statistics for Trojan-Dropper.Win32.Agent.btz [Kaspersky Lab]:

Trojan-Dropper.Win32.Agent.btz [Kaspersky Lab] is also known as:
Threat AliasNumber of Incidents
TROJ_AGENT.XWS [Trend Micro]10
Generic.dx [McAfee]2
Infostealer [Symantec]2
Mal/Behav-204 [Sophos]2
TrojanDownloader:Win32/QQHelper.gen!E [Microsoft]2
Trojan-Dropper.Agent [Ikarus]2
Trojan-Dropper.Agent.BTZ [PC Tools]2

Trojan-Dropper.Win32.Agent.btz [Kaspersky Lab] has the following possible country of origin:
OriginNumber of Incidents
China10