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ThreatExpert's Statistics for TrojanDownloader:Win32/Cutwail.Z [Microsoft]:

TrojanDownloader:Win32/Cutwail.Z [Microsoft] is also known as:
Threat AliasNumber of Incidents
Mal/Pushdo-A [Sophos]6
FakeAlert-AG.gen.b [McAfee]5
Trojan-Downloader.Win32.Cutwail.Z [Ikarus]5
Trojan Horse [Symantec]3
Trojan.Pandex [Symantec]3
FakeAlert-AG.gen.c [McAfee]1
Generic Downloader.x [McAfee]1
Troj/Agent-HSH [Sophos]1
Trojan.Agent!sd6 [PC Tools]1
Trojan.Win32.Agent.aecq [Kaspersky Lab]1
Trojan.Win32.Agent.afds [Kaspersky Lab]1
Trojan.Win32.Agent.afkv [Kaspersky Lab]1
Trojan.Win32.Inject.hyj [Kaspersky Lab]1
Trojan.Win32.Inject.hyv [Kaspersky Lab]1
Trojan-Dropper.Kobcka [Ikarus]1
Win-Trojan/Xema.variant [AhnLab]1

TrojanDownloader:Win32/Cutwail.Z [Microsoft] is known to be created as:
%System%\cpl32ver.exe
%System%\rs32net.exe
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).