Please answer fast ! Avast block 3 URL today !

Hi please help me! Today i turn on my PC (Familly PC) and 3 time today i have click a bit.ly link to see a video on youtube or something like that, and now my facebook chat said no connection but I’m connected ! Avast said she block the URL threat. here is the url :
http://optimized-by.rubiconproject.com/a/8735/14749/31087-2.html? Severity:High Condition:threat: HTML:lframe-AMG [Trj] Action:Blocked
http://optimized-by.rubiconproject.com/a/8735/14749/31087-2.html? Severity:High Condition threat: HTML:lframe-AMG [Trj] Action:Blocked
http://optimized-by.rubiconproject.com/a/8769/15047/32459-2.html? Severity:High Condition:threat: HTML:lframe-AMG [Trj] Action:Blocked

And my internet download limit is at 30GB of 60GB and I download almost anything ? (But my month refresh the 17 June so maybe i have used 30GB.)

Thank for helping me.

(Sorry for my English I’m french…)

Hello,
detection was fixed in VPS 130607-1.

Milos

Ok ! Thank you!