uxl.dll not detected by avast?

Where is the trojan downloader malware residing? At: htxp://diamondmt2.superpvp.com/uxl.dll

Generic detection: http://www.virustotal.com/file-scan/report.html?id=39525e3260f66b1765fd95a34b483c73b60d93490bf20a0cc7c9487645f6d337-1300483496 detection: 7/ 43 (16.3%)

Found suspicious here: http://wepawet.iseclab.org/view.php?hash=bd759c408c40e9da9a26a31890e7ccbe&t=1300483710&type=js
See Anubis report here: http://anubis.iseclab.org/?action=result&task_id=15f02dc90f5e07234f146e8a1da8e20e4&format=html

detected here: WARNING! FILE MAY BE INFECTED!
AntiVir
a
uxl.dll

ALERT: [TR/Hijacker.Gen] uxl.dll
Is the Trojan horse TR/Hijacker.Gen
------ scan results ------
file:
scanned files: 1
alerts: 1
suspicious: 0
scan time: 00:00:01

polonus