VirusTotal does a good job as it checks uploaded files against 54 anti virus softwares for free.
I have just checked at VirusTotal Hello World example .exe compiled in a Windows 7 64 bits system with:
- Visual Studio 2015 32 and 64 bits
- MinGW TDM 32 ans 64 bits
No virus has been detected.
Could you give us more details about your system as OS and compiler used?