Solution : https://service.sap.com/sap/support/notes/803637 (SAP Service marketplace login required)
Key words : 
class method cl_gui_frontend_services=>gui_upload checked, function module 'gui_upload', optional parameter virus_scan_profile, terms gui_upload, /scet/gui_upload, virus infection, file upload, virus checking, cl_vsi reason, sap netweaver´04
Related Notes : 
       
| 797108 | Virus scan interface (NW-VSI): Changes and releases | 
| 786179 | Data security products: Application in the antivirus area | 
| 639486 | Anti-virus protection within SAP applications (BC-SEC-VIR) |