The December malware threat reports are trickling in from vendors — and they all appear to be different. Fortinet, Sunbelt Software, and Kaspersky all published their lists of the most prevalent malware strains for the last month of 2009, but they didn't match up, leading to an admission that users will inevitably be confused by the results.
http://tech.slashdot.org/story/10/01/11/033238/Malware-Threat-Reports-Are-Apples-and-Oranges
http://www.dslreports.com/forum/r23613254-Why-AV-vendors-dont-name-malcode-consistently
For a long time I have wished that AV vendors would standardise their names but I understand the reasons why they don't. Does anyone happen to know a decent page which lists all the names for the same infection?