Troj/Hupigo-AR is a Trojan for the Windows platform.
When first run Troj/Hupigo-AR copies itself to:
<Common Files>\Microsoft Shared\MSInfo\tomskype.exe
<Root>\tomskype.exe
<System>\_tomskype.exe
and creates the following files:
<Root>\AutoRun.inf
<Common Files>\Microsoft Shared\MSInfo\ReDelBat.bat
The file tomskype.exe is registered as a new system driver service named "Windows_service_XP", with a display name of "Windows_system_internet" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Windows_service_XP