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ThreatExpert's Statistics for Troj/FakeAV-XB [Sophos]:

Troj/FakeAV-XB [Sophos] is also known as:
Threat AliasNumber of Incidents
not-a-virus:FraudTool.Win32.AntiVirusPro.ng [Kaspersky Lab]15
Trojan.Fakeavalert [Symantec]15
Trojan.Win32.FakeScanti [Ikarus]15
Dropper/FakeAv.2510233 [AhnLab]6
not-a-virus:FraudTool.Win32.WinAntiVirus.iv [Kaspersky Lab]6
AntiVirus2008 [Symantec]4
not-a-virus:FraudTool.Win32.WinAntiVirus [Ikarus]4
Trojan.Fakealert [Ikarus]1

Troj/FakeAV-XB [Sophos] has the following possible countries of origin:
OriginNumber of Incidents
Russian Federation22
Ukraine22