I-Worm.NetSky.o This worm spreads via the Internet as an attachment to infected messages. The worm scans all disks for files with the email addresses and sends copies of itself to all email addresses harvested from these files. The worm opens a group of several ports. The port numbers are increased incrementally across the whole group every few seconds.
Manual removal: Delete this key from the system registry: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] NetDy = <%windir%>\VisualGuard.exe