Net5system.exe Here

Adware often leaves behind extensions or policies. Reset Chrome/Edge/Firefox to default, remove unfamiliar extensions, and clear cached data.

Right-click the file → Properties → Digital Signatures tab. net5system.exe

rule net5system_malware 
    meta:
        description = "Detects known net5system.exe malicious samples"
        author = "Security Research"
    strings:
        $s1 = "net5system" nocase
        $s2 = "XMRig" ascii wide
        $s3 = "pool.supportxmr" ascii
        $s4 = "miner.exe" ascii
    condition:
        (filesize < 2MB) and (1 of ($s2,$s3,$s4)) and filename == "net5system.exe"