Troj/StartPa-FX is a Trojan for Windows based systems.
When first run the Trojan copies itself to <SYSTEM>\systemctrl.exe.
The following registry entry is created to run systemctrl.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ControlPanel
<SYSTEM>\systemctrl.exe internet.dll,LoadNetworkProfile
The Trojan changes the Start Page for Microsoft Internet Explorer by setting the registry entry:
HKCU\Software\Microsoft\Internet Explorer\Main\Start Page