Quote:In previous blog posts in our Malware Removal series, we covered manual PUP removal and ransomware removal. Today, we’re going to take a closer look at another common malware category: fileless malware. This type of attack has become quite popular in recent years because it can help malware evade detection by security software. As a result, it can be both interesting and challenging to locate and remove fileless malware from an infected computer.

As always, we will be using a relatively simple example to make it easier to follow along with the removal process.

What is fileless malware?

When you do an online search for the term “fileless malware” you get a variety of results claiming a number of different definitions. You’ll come across terms like “exploits”, “scripts”, “Windows tools”, “RAM only” or “undetectable”. This might all sound quite complicated if you’re not (yet!) very familiar with malware analysis, so let’s first define what we mean in this article when we talk about fileless malware.

Fileless malware is a type of malware that does not store its malicious component(s) in the Windows file system where files and folders located. Instead, it loads the malicious code in memory (RAM) directly from an alternative location such as Windows registry values or the internet.

Full reading: https://blog.emsisoft.com/en/32034/how-to-remove-fileless-malware/