A large new spam ecard campaign has appeared on the spam front again this Labor Day Monday. The spam claimed to have links to a wide range of legitimate websites, including MSN, Yahoo and Google. If you followed these directions you ended up with the file labor.exe, detected proactively as Mal/Dorf-A since the start of August a fact that made my Labor Day, anyway. If you fell for this social engineering and followed the link, you found yourself at a page with the image shown above and an instruction to download the file and then press Run.”]
Source: https://nakedsecurity.sophos.com/2007/09/03/happy-labor-day-have-some-malware/