https://locodigital.com.br/en/tags/endpoint-security/Recent content in Endpoint Security on LocodigitalHugoen-USThu, 27 Aug 2026 09:00:00 -0300https://locodigital.com.br/en/technology/fileless-malware-how-it-fools-your-antivirus/Thu, 27 Aug 2026 09:00:00 -0300https://locodigital.com.br/en/technology/fileless-malware-how-it-fools-your-antivirus/<p>You install a good antivirus, keep Windows updated, and your machine can still be compromised without a single suspicious file showing up on disk. That's what fileless malware does: the malicious code lives entirely in RAM, disguises itself as legitimate system tools and vanishes with the next reboot — but not before doing the damage.</p> <h2>What is fileless malware?</h2> <p>Fileless malware is malicious code that <strong>writes no executables to the hard drive</strong>. Instead of creating an .exe or .dll file that can be detected by signature, it runs directly in RAM, injecting commands into legitimate operating system processes.</p>