SophosLabs has intercepted a widespread attack by hackers who have spammed out a Trojan horse posing as an electronic greeting card from a family member. The emails have the following characteristics:Subject line: Postcard from a Family Member.zip (which contains a file called ecard.exe) The attached ZIP file, contains a malicious executable file which Sophos detects proactively as Mal/FakeVirPk-A. Even if you didn’t know that hackers were frequently in the habit of disguising their attacks as ecards.”]
Source: https://nakedsecurity.sophos.com/2009/06/03/postcards-family-member-malware/