A worm that spreads over Instant Messaging (IM) networks.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
IM-Worm:W32/VB is the family name for viruses that spread via Instant Messaging (IM) applications such as MSN Messenger, and which are written with the Visual Basic language.
For more information about information about worms, see Worm.
For more information about Visual Basic, see Terminology: Visual Basic.