Why Avast has the one detection and we miss the other?

Viruses and worms
1

See: https://www.google.nl/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=0CDsQFjAD&url=http%3A%2F%2Fsupport.clean-mx.com%2Fclean-mx%2Fviruses.php%3Fvirusname%3DLNK%2FAutorun%26sort%3Did%2520DESC&ei=cOb1VJvaG8GsUoutg-AH&usg=AFQjCNHy0qXNNb5-y8ZeKHXb8D5jzkkRIw&sig2=ZUMkT8sBOBSeQTcBmUc7QA&bvm=bv.87269000,d.d24
Long OVERDUE malware well detected also by avast: https://www.virustotal.com/nl/file/89daa1ac7364dda3f7a2bb680d2567453ec9532fde410ba6f923e52e230a4bd1/analysis/
Now more detections but still missed by Avast?
Re: https://www.virustotal.com/nl/file/9411ce9fd148f2df8b6ea84e472ec190d36a79eae7934af9a67a63dac70e07f9/analysis/

polonus

2

note the VT scan dates :wink:

3

OK, oh well, but you can see going to Clean MX report site that that threat is also still up and active after 6993.2 hrs being OVERDUE, sp after nine months still up and alive and as I said not detected by Avast.

polonus

4

i get “file no longer available”

anyway 7 and 9 months old, i guess they are detected now