It's just Firefox with:
- Privacy settings (gathered from IceCat, pyllyukko, gHacks)
- Build options
- Iceweasel branding
- Own profile location %USERPROFILE%\AppData\Roaming\Debian\Iceweasel
To check and download the latest version, use menu Tools > [GIT Releases] Download the latest version
Launcher start.exe
is created in Bat To Exe Converter. Some antiviruses may react on it.