There are two types of malware: viruses and worms ... They could draw a diagram of different viruses and how they infect and spread through a device.

Plenty of standalone tools are provided by ESET for removing different types of threats or malware ... places to find various tools to remove malware, viruses, ransomware, adware, etc.

Malware and viruses can hide almost anywhere ... When you extract these, you may see several different file types, such as ...