FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A computer worm is a subset of the Trojan horse malware that can propagate or self-replicate from one computer to another without human activation after breaching a system. Typically, a worm spreads across a network through your Internet or LAN (Local Area Network) connection.

Detailed explanation-2: -A worm makes multiple copies of itself which then spread across the network or through an internet connection. These copies will infect any inadequately protected computers and servers that connect-via the network or internet-to the originally infected device.

Detailed explanation-3: -Examples of computer viruses Trojans-As in the myth, a Trojan is a virus that hides within a legitimate-seeming program to spread itself across networks or devices. Ransomware-Ransomware is a type of malware that encrypts a user’s files and demands a ransom for its return.

Detailed explanation-4: -Welchia is an example of a helpful worm. Utilizing the same deficiencies exploited by the Blaster worm, Welchia infected computers and automatically began downloading Microsoft security updates for Windows without the users’ consent. Welchia automatically reboots the computers it infects after installing the updates.

Detailed explanation-5: -A worm is a type of malware that can copy itself and often spreads through a network by exploiting security vulnerabilities. It can spread through email attachments, text messages, file-sharing programs, social networking sites, network shares, removable drives, and software vulnerabilities.