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ThreatExpert's Statistics for TrojanDownloader:Win32/Pakernat.A [Microsoft]:

TrojanDownloader:Win32/Pakernat.A [Microsoft] is also known as:
Threat AliasNumber of Incidents
Mal/TibsPak [Sophos]18
W32.Virut.W [Symantec]5
Mal/Dorf-A [Sophos]2
Trojan Horse [Symantec]2
Trojan-Downloader.Win32.Pakernat.A [Ikarus]2
Trojan-Downloader.Win32.Small.adhk [Kaspersky Lab]1
Trojan-Downloader.Win32.Tibs.kmq [Kaspersky Lab]1
Trojan-Downloader.Win32.Tuvir.u [Kaspersky Lab]1
Virus.Win32.Virut.bl [Kaspersky Lab]1
W32/Virut.j [McAfee]1

TrojanDownloader:Win32/Pakernat.A [Microsoft] is known to be created as:
%Temp%\load.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).