Facebook Malware Not Detected?

Couldn’t actually track the link that was spreading them but found the binary.

Its located here:
hxxp://rghost.net/57996578

Why Not detected by avast:
https://www.virustotal.com/en/file/d77dbe40a7c865a0e53ec241d627330e378819ed1c604433a4f0cc853e52cedc/analysis/1410847917/

reported to virus AT avast DOT com

Good News! We finally detect this:
https://www.virustotal.com/en/file/d77dbe40a7c865a0e53ec241d627330e378819ed1c604433a4f0cc853e52cedc/analysis/1410927730/