Does a virus need a carrier in order to propagate itself?

A computer virus is a type of malware that attaches itself to a host program or file and requires a host to execute and propagate. It cannot operate independently without a carrier, as it relies on the active participation of a system or user to spread. While some kinds of malware may display different behaviors, traditional viruses specifically need a host file to function and replicate.

The answer stating that a virus can propagate independently is not aligned with how viruses operate. Viruses typically spread through infected files or programs, making them dependent on a carrier for their distribution. Understanding the mechanics of how a virus works clarifies the nature of its propagation and emphasizes the importance of the carrier in the infection process.