n. A computer virus that infects a machine and then replicates by emailing copies of itself to people in the user's address book.
2009
yeah, buddy of mine just had his OSX machine hacked yesterday… sent me and about 50 other coworkers, friends and family virus linked AIMs.
2001
Trojan worms resort to all sorts of unusual and clever tactics to persuade users to activate them. The Hybris Trojan worm promises recipients a ribald tale involving Snow White and the seven dwarfs. One common type of Trojan worm, often called a Friends and Family virus after MCI's famous marketing program for long-distance services, disguises messages bearing the worm so that they appear to have been sent by someone familiar.
1999 (earliest)
Friends and Family Virus A computer virus that replicates by using an infected machine to send out email messages either by accessing the machine's address book or by replying to incoming messages.