Which of the following best characterizes the purpose of a computer virus?

The purpose of a computer virus is best characterized by its intent to replicate and spread, ultimately causing harm to systems. Computer viruses are malicious code designed to infiltrate systems, compromising their integrity, performance, and security. By attaching themselves to legitimate programs or files, they can spread to other systems, causing widespread damage and disruption. This harmful behavior is what distinguishes viruses from other types of software.

In contrast, the other options describe benign or helpful functions that do not align with the nature of a computer virus. Assisting users in software updates or automating tasks are functions oriented toward user productivity and system efficiency. Enhancing data recovery processes relates to improving system resilience and data integrity, which runs contrary to the disruptive nature of a virus. Thus, the defining feature of a computer virus is its malicious goal of replication and harm, making that answer the most accurate reflection of its purpose.