firefox.exe is a program which is probably legit. So, if firefox.exe is on your laptop or desktop computer, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, it is still recommended to use a good antivirus with a good detection rate, in order to yourself your system against potential security problems.
This program is normally stored on disk in C:\Program Files (x86)\Mozilla Firefox\firefox.exe.
The MD5 fingerprint for this file is ec499b6830ec87a3d337f7927271f465.
This program does NOT operate as a Windows service. This is usually a good sign.
This application uses the net to communicate. In this day and age this is ok. For example, most of the apps on your computer check for updates. In order to do this, Internet communications are necessary.
This application runs as a 32-bit program. It does not benefit of the full power of nowadays' PC processors. This ordinarily happens because the authors did not bother to upgrade it to 64-bit code.
The description extracted from the program is Firefox.
File version 52.2.1.
Maker Mozilla Corporation.
Legal copyright notice ©Firefox and Mozilla Developers; available under the MPL 2 license..
firefox.exe appears to have a visible user interface. This is good because it doesn't work in a kind of stealth mode. Its activity is clearly shown to the user.
Some unusual features of the Operating System have been used, such as functions for intercepting the keyboard. We recommend you to be very careful regarding this program.
The digital signature is missing from this program. The maker did not bother to sign it. This is usually bad.
It has an uninstall routine, which is good. si are uninstall.