Types of Computer worms

Email Worms

These worms spread through infected email messages which may contain an attachment or a link of an infected website.

Instant Messaging Worms

These worms spread via instant messaging applications by sending links of infected websites to the entire contact list.

Internet Worms

Internet worm tries to gain access to any vulnerable machine either by scanning the Internet and/or using the local operating system.

IRC Worms

These worms spread through chat channels, sending infected files or links to infected websites.

File-sharing Networks Worms

These worms place a copy of themselves in a shared folder under a harmless name and thus the infected files spread P2P network.