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ThreatExpert's Statistics for Troj/Bckdr-QIX [Sophos]:

Troj/Bckdr-QIX [Sophos] is also known as:
Threat AliasNumber of Incidents
Backdoor.Delf.WZW [PC Tools]13
Virus.Win32.Nakuru.a [Kaspersky Lab]13
Virus:Win32/Nakuru.A [Microsoft]13
W32/Kespo.a [McAfee]13
W32.Tupofse.B!inf [Symantec]7
Backdoor.Delf [Symantec]6
PE_KESPO.C [Trend Micro]6
PE_NAKURU.A [Trend Micro]6
Trojan-Dropper.Delf [Ikarus]5
Virus.Win32.Nakuru.a [Ikarus]5
Win-Trojan/Xema.variant [AhnLab]3
PE_NAKURU.C [Trend Micro]1