Avast blocked a file by WeTranfer ... what i to do ?

hi, a friend send to me a big file over 1,31 GB by the web site WeTranfer …the file is ok.

but after fwe seconds AVAST blocked the download and say the file is infect , in how mode i resolve this ?

i disabled aVAST protection …or what i to do ?

thanks

none help me ?

Well, we need details. What does Avast say…? Post a screenshot.