Troj/SillyFDC-A is a Trojan for the Windows platform.
When first run Troj/SillyFDC-A copies itself to:
<CurrentFolder>\Notepa.exe
<Windows system folder>\sys.exe
The following registry entry is created to run sys.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\EXPLORER\RUN
EXPLORER
<Windows system folder>\sys.exe