This category is for email worms that can infest a computer from the email client's preview pane, without the user opening or even downloading the attachment.
“Tanatos also known as Bugbear is a worm that drops a backdoor/keystroke logger trojan that can...Tanatos
“It's an awfully insidious little b*st*rd. You clean it off of one segment of the network and...Nimda
“Netsky is a worm notable for the fact that it has many variants and was very successful at...Netsky