Why does this flag as a trojan in three vendors?

[IOnlyFetchBranches]

Exactly what reason does this flag as false positive? This isnt like a keygen sorta thing or something like thing
https://www.virustotal.com/gui/file/ad4819cddbbb8441abe3aa2fa5953ae1c15ea1d13a7444e64bc40bc4f81af433

[HenkPoley]

Currently only one flags it.

Usually this is a thing with signing.

And indeed:

Signature info
Signature verification
File is not signed