...The IM-Worm.Win32.Qucan.a. -- initially discovered by MicroWorld Technologies and subsequently dubbed by Trend Micro as WORM_SOHANAD.A -- is spreading in MSN Live Messenger and Yahoo Messenger, but not AIM. It started with a link to a "photo" of the new Miss World 2006 winner but has gotten more insidious in the past few days with a more legitimate-sounding message: "A new dangerous computer virus that can destroy all your data has just been released. ...