File less virus operates only in memory and usually exploits a trusted application like PowerShell to circumvent traditional endpoint security solutions
A sort of harmful behaviour known as "fileless malware" use native, lawful tools that are already present in a system to carry out a cyberattack. File less malware is more difficult to detect than regular malware since it doesn't require an attacker to install any code on a target's system.
Malicious software that leverages trustworthy apps to infect a computer is known as file less malware. It is difficult to detect and get rid of because it does not rely on files and leaves no traces.
Malicious software known as "file less malware" does not use virus-filled files to infect a host. Instead, it uses malicious code to run in resident memory by taking advantage of programmes that are frequently used for legal and acceptable activity.
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