Final answer:
A Stealth virus can attach to the boot sector and report false file size information. A Trojan horse virus disguises as legitimate software, a Worm replicates and spreads, and a Polymorphic virus changes its code. A nonenveloped virus is also known as a virus.
Step-by-step explanation:
The kind of virus that could attach itself to the boot sector of a disk to avoid detection and report false information about file size is a Stealth virus. Stealth viruses are designed to evade detection from antivirus software by altering the file size reported by the operating system, among other techniques. In contrast, a Trojan horse virus disguises itself as legitimate software, a Worm is a standalone malware that replicates itself to spread, and a Polymorphic virus changes its code as it spreads to avoid detection.
As for another name for a nonenveloped virus, the correct term is a virus, which is option C in the provided reference information. This type of virus lacks the outer lipid envelope that is found in some other viruses and is therefore referred to as'.
The kind of virus that can attach itself to the boot sector of a disk to avoid detection and report false information about file size is a Stealth virus. Stealth viruses are a type of computer virus that use various techniques to hide themselves and their activities from detection by antivirus software. They often modify the system's boot sector and manipulate file size information to hide their presence.