Don't open zips you get in the mail.
Today's gem claims to be video about new acts of terrorism.
Attached to the email was a 47KB zip file news.zip.
Inside news.zip is news.exe.
But its a trojan, of course.
Only about half of the av scanners recognized it.
Those that did identified it as a trojan downloader of some sort

TEXT of the virus message:

From: BBC World News [mailto:news@info.bbc.com]
Sent: Fri 3/10/2006 7:24 PM
To: Smith, Donald
Subject: New acts of terrorism in New York and London

Today FBI and SCOTLAND YARD has informed on set of new acts of terrorism
in New York and London. On a communique was lost more than two thousand person
and about ten thousand have received the wounds which were much of them are in
a grave condition.Police and MI5 identified an Al-Qaeda cell that had carried
out extensive research and video-recorded reconnaissance missions in preparation
for the attack. You can learn the detailed information in the attached file.