|W32.Mexer.E@mm is a mass-mailing worm that also spreads through several file-sharing networks.
Adds the value: "Dir0"="012345:c:\sysnet\" to the registry keys:
to spread using the iMesh and KaZaA peer-to-peer file-sharing networks.
Gathers the email addresses from the files and sends itself to the email addresses found, using its own SMTP engine.
Automatic removal: Use antivirus (also check How To Remove section)Startup Optimizer to automatically remove it from startup.