In an effort to fight web spam, Google takes down another undetectable link network allegedly selling links – this time backlinks.com, remember the post I’ve mentioned before? about the pagerank updates? – some of these sites were selling paid links and the backlinks.com code was taken down after the pagerank update.
For those who have google web master tools account, you’ll be notified once the penalty is lifted – users will see in their account an unnatural outbound link warnings similar to these:
But hey it’s the end yet, you can remove the backlinks installation code and delete it permanently and request for reconsideration, once you’re done – you’ll have to wait approximately for a week or more to get back your pagerank status bar.