firefox.exe is a program which is most likely NOT a virus or malware. So, if firefox.exe is on your computer, it is most likely ok, and will NOT cause problems. Even if your system is virus-free, it is still recommended to use a well-known antivirus with a good detection rate, in order to yourself yourself against potential security problems.
Usually, this application is stored in C:\Program Files (x86)\Mozilla Firefox\firefox.exe.
The MD5 fingerprint for this program is 1d55894c9d939f6cafc57bfba27053c0.
This application does NOT operate as a Windows service. This is normally a good sign.
This executable uses the net to communicate. Today this is expected from a program. For example, most of the apps on your PC check for new updates. In order to do this, Internet communications are required.
This exe runs in 32-bit mode. It can not benefit of the full set of features of modern PC processors. This ordinarily happens because the makers did not bother to upgrade it to use the x64 instruction set.
firefox.exe appears to have a visible user interface. This is good because it doesn't operate in some kind of stealth mode. Its operation is clearly displayed to the user.
A digital signature is missing from this program. The maker did not bother to sign it. This is usually bad.
This executable does NOT have an uninstall command stored in registry.