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ThreatExpert's Statistics for TrojanDropper:Win32/Rooter.B [Microsoft]:

TrojanDropper:Win32/Rooter.B [Microsoft] is also known as:
Threat AliasNumber of Incidents
Trojan-Downloader.Delf.OAQ [Ikarus]11
Generic FakeAlert.d.dr [McAfee]5
Downloader [Symantec]4
Troj/Meredr-Gen [Sophos]4
TROJ_DLOADR.RN [Trend Micro]4
Trojan-Clicker.Win32.Klik [Ikarus]4
Trojan-Downloader.Win32.Banload.vho [Kaspersky Lab]4
Trojan-PSW.Win32.LdPinch.acyz [Kaspersky Lab]4
Generic Dropper [McAfee]3
Mal/Generic-A [Sophos]3
Trojan Horse [Symantec]3
Adware.Agent.ZO [PC Tools]2
Generic Dropper.bu [McAfee]2
Generic FakeAlert.d [McAfee]2
Trojan.Dropper [Symantec]2
Trojan.Fakeavalert [Symantec]2
Trojan.Virantix.C [Symantec]2
Trojan-Dropper.Win32.Rooter [Ikarus]2
Downloader-BMA [McAfee]1
Downloader-BON [McAfee]1
Dropper/Agent.419328 [AhnLab]1
Generic Dropper!n [McAfee]1
Generic.dx [McAfee]1
Mal/EncPk-EQ [Sophos]1
Mal/EncPk-IF, Mal/EncPk-HH [Sophos]1
Troj/FakeAle-LE [Sophos]1
Troj/Meredrop-A [Sophos]1
TROJ_DELF.IYD [Trend Micro]1
TROJ_NUWAR.JW [Trend Micro]1
Trojan.Fakeavalert!sd6 [PC Tools]1
Trojan.Win32.Agent [Ikarus]1
Trojan.Win32.Agent.axlr [Kaspersky Lab]1
Trojan.Win32.Agent.brnz [Kaspersky Lab]1
Trojan-Dropper [Ikarus]1
Trojan-Dropper.Agent [Ikarus]1
Trojan-Dropper.Win32.Agent.aenw [Kaspersky Lab]1
Trojan-Dropper.Win32.Agent.akct [Kaspersky Lab]1
Trojan-Dropper.Win32.Agent.ansc [Kaspersky Lab]1
Trojan-Dropper.Win32.Agent.wrk [Kaspersky Lab]1
Trojan-Spy.Win32.Zbot.jgd [Kaspersky Lab]1
Trojan-Spy.Win32.Zbot.jjq [Kaspersky Lab]1
W32.SillyP2P [Symantec]1
Win-Trojan/Agent.124416.AD [AhnLab]1
Win-Trojan/Agent.62464.CS [AhnLab]1
Win-Trojan/Downloader.101888.F [AhnLab]1
Worm.Win32.Pinit.gen [Kaspersky Lab]1

TrojanDropper:Win32/Rooter.B [Microsoft] has the following possible country of origin:
OriginNumber of Incidents
Russian Federation6

TrojanDropper:Win32/Rooter.B [Microsoft] is known to be created as:
%Temp%\kafan virlist 2009.04.13\090413-3-3.exe
Note: %Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).