Over the weekend, a spammer sent out a large number of emails purporting to come from D&B (firstname.lastname@example.org) that were illegitimate and alleged that a complaint requiring prompt action had been made against the recipient. These emails contained the Dun & Bradstreet Credibility Corp. logo and contact information. Dun & Bradstreet Credibility Corp. has no relation to these emails and our name and logo were being used illegitimately. See full D&B has released an important notice regarding this matter as well. at Blog.DnB Website
Also See info from Cisco "Threat Outbreak Alert: Fake Customer Complaint E-mail Messages on February 18, 2013"
|Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain a complaint report from Dun & Bradstreet for the recipient. The text in the message body attempts to persuade the recipient to open an attachment to view further details. However, the .zip attachment contains a malicious .exe file that, when executed, attempts to infect the system with malicious code.|