A recent surge in compromised web servers has generated many interesting discussions in online forums and blogs. We thought we would join the conversation by sharing what we found to be the most popular malware sites in the last two months.As we've discussed previously, we constantly scan our index for potentially dangerous sites. Our automated systems found more than 4,000 different sites that appeared to be set up for distributing malware by massively compromising popular web sites. Of these domains more than 1,400 were hosted in the .cn TLD. Several contained plays on the name of Google such as goooogleadsence.biz, etc.