gta_sa.exe is a program which is most likely NOT a virus or malware. So, if gta_sa.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your PC is virus-free, we still advise you to use a good antivirus with a good detection rate, in order to yourself your PC against viruses and malware.
This program is usually stored on disk in C:\Program Files\Hot Coffee\gta_sa.exe.
The MD5 checksum for this program is 84a781f30fac7eba030af2497da86930.
This program does NOT operate as a Windows service. This is normally a good sign.
This program runs as a 32-bit program. It can not benefit of the full power of modern computer processors. This is quite normal because the publishers did not bother to upgrade it to use the x64 instruction set.
gta_sa.exe appears to have a visible user interface. This is good because it doesn't work in a kind of invisible mode. Its activity is clearly shown to the user.
A 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 a good sign. si are uninstall.