Originally Posted by RachelBlackG

yes, disavow it - domain:generalfil.es

most likely it's caused by bad domains... sudden over-night drops are caused by penguin.

if you are not sure you can help yourself a bit by entering that domain name into Open Site Explorer and look at Spam score... most valuable links are from content in main body of the page...so look for footer links, link farms, blocks of links, automatic sites that collect content from the net and link back, etc. everything that look suspicious