Troj/Agent-LGT is a Trojan for the Windows platform.
When run Troj/Agent-LGT pretends to download Windows XP Ultimate Edition.
The following registry entries are set:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Settings\UltimateServices
HKCU\Control Panel\Desktop\WindowMetrics
HKLM\SYSTEM\CurrentControlSet\Services\ehRecvr
HKLM\SYSTEM\CurrentControlSet\Services\ehSched
HKLM\SYSTEM\CurrentControlSet\Services\McrdSvc
HKCU\Software\Microsoft\Internet Explorer\Main\Start Page
HKCU\Software\Microsoft\Internet Explorer\SearchScopes
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
UltimateServices
\ultsvcs.exe /startup