lantern.exe is a program which is most likely legit. So, if lantern.exe is on your system, it is most likely ok, and will NOT cause problems. Even if your PC is clean, it is still recommended to use a good antivirus with a good track record, in order to yourself your PC against threats.
Normally, this application is located in C:\Users\UserName\AppData\Roaming\Lantern\lantern.exe.
The MD5 checksum for this file is 10ffb015d68208c9f274c9f56479a864.
This program does NOT operate as a Windows service. This is usually a good sign.
This program uses the Internet to communicate. In this day and age this is ok. For example, most of the programs on your PC check for new updates. In order to do this, Internet communications are necessary.
This executable runs in 32-bit mode. It does not use the full set of features of nowadays' computer CPUs. This ordinarily happens because the publishers did not bother to upgrade it to 64-bit code.
This exe does NOT have visible elements of user interface. This is usually a bad thing.
lantern.exe is digitally signed. Nowadays the large majority of legit software applications are digitally signed.
The digital signature attached to lantern.exe checks out perfectly. This is excellent.
Digital certificate name: Brave New Software Project, Inc
Certificate's issuer name: Go Daddy Secure Certificate Authority - G2
This program starts at your PC's startup. Yes
It has an uninstall string in registry, which is good. si are uninstall.