Microsoft has developed a malware portal of sorts. Has all kinds of info on it. It is still in beta tho. It lists the most active viruses, malware, email spam and much more. Read More Here
Malware Advisor is going to post information specifically related to adware, spyware and malware. Most links will point to my forum, where all are invited to take part in discussion, seek assistance with malware removal and find out about the latest malware threats.