avast can mistake

yesterday , i run file hxxp://gcn.zone/images/gcn.zip avast not warning not messenger and no malware . today , reinstall window and reinstall programs : avast and hxxp://gcn.zone/images/gcn.zip , but avast have messenge have malware have virut , and delete file exe ,everyone using hxxp://gcn.zone/images/gcn.zip with another anti -virut no problem , i don’t know avast work wrong ?

VirusTotal scan result
https://www.virustotal.com/en/file/db9c5d050ec5529fcad3c1212a78189b9d00bbf0546b28f5b448a6e116e2b78f/analysis/1497537170/

yes i see, but yesterday avast still to it working but today avast delete it , i just reinstall both, avast and GCN-qt.exe

Many new detections are added every day.

It can even be something is not detected and literally a second later it is.

yes i see, but yesterday avast still to it working but today avast delete it
-File may be new? -Detection for that file may have been added by avast lab today?

-File may be new ? i will check it , thank you very much for support me

File inside zip archive
https://virustotal.com/en/file/93ed3c8e86068fe80d0492cea0a25e99557d95e70fbbd9f31f678f8d45f45448/analysis/1497541525/