Many thanks
I have tested the file AKKORD.exe at VT and the result is for Avast this : Win32:Malware-gen .
The link is : https://www.virustotal.com/it/file/2f5663c580edb18837c1ca71d8a3c7ca94616146eea967ee26419eb9c3596097/analysis/ .
Excuse me if I make an error .