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ThreatExpert's Statistics for Troj/Daonol-Fam [Sophos]:

Troj/Daonol-Fam [Sophos] is also known as:
Threat AliasNumber of Incidents
Trojan:Win32/Daonol.D [Microsoft]15
Trojan-PSW.Win32.Kates.c [Kaspersky Lab]13
Backdoor.Trojan [Symantec]7
Generic Downloader.dp [McAfee]7
Trojan.Win32.Small [Ikarus]6
Trojan:Win32/Daonol.B [Microsoft]6
Trojan-PWS.Win32.Kates [Ikarus]6
Win-Trojan/Daonol.18432 [AhnLab]4
Infostealer [Symantec]3
Infostealer.Daonol [Symantec]3
Rootkit.Win32.Agent [Ikarus]3
Lando [McAfee]2
Trojan.Win32.Daonol [Ikarus]2
Trojan.Win32.Small.bxz [Kaspersky Lab]2
Win-Trojan/Agent.28672.YB [AhnLab]2
Win-Trojan/Downloader.23040.IF [AhnLab]2
Win-Trojan/Kates.18944 [AhnLab]2
Win-Trojan/Kates.24064 [AhnLab]2
Generic.dx [McAfee]1
Generic.dx!bq [McAfee]1
Hacktool.Rootkit [Symantec]1
Rootkit.Win32.Agent.fwt [Kaspersky Lab]1
Rootkit.Win32.Agent.hss [Kaspersky Lab]1
Trojan Horse [Symantec]1
Trojan.Agirvab [Symantec]1
Trojan.Daonol [Ikarus]1
Trojan.Downloader [PC Tools]1
Trojan.Dropper [Symantec]1
Trojan.Win32.Agent.bfjq [Kaspersky Lab]1
Trojan.Win32.Agent.chbz [Kaspersky Lab]1
Trojan.Win32.Agent.cjax [Kaspersky Lab]1
Trojan.Win32.Agent2.ixs [Kaspersky Lab]1
Trojan.Win32.Small.aarn [Kaspersky Lab]1
Trojan:Win32/Daonol.F [Microsoft]1
Trojan:Win32/Small [Microsoft]1
Trojan-Dropper.Win32.Agent.apfn [Kaspersky Lab]1
Win-Trojan/Agent.13312.JH [AhnLab]1
Win-Trojan/Agent.13312.MX [AhnLab]1
Win-Trojan/Agent.14336.ID [AhnLab]1
Win-Trojan/Agent.24064.KA [AhnLab]1
Win-Trojan/Agent2.18944.B [AhnLab]1
Win-Trojan/Downloader.22528.HQ [AhnLab]1
Win-Trojan/Downloader.29696.CB [AhnLab]1
Win-Trojan/Kates.24064.B [AhnLab]1
Win-Trojan/Xema.variant [AhnLab]1

Troj/Daonol-Fam [Sophos] is known to be created as:
%System%\sysaudio.sys
Note: %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).