> Username is not a signature of malware by itself Devoid of all context, no it's not. When a malware is known to exclusively use a particular and uncommon p

> Username is not a signature of malware by itself Devoid of all context, no it's not. When a malware is known to exclusively use a particular and uncommon pattern, yes it is. If you remove all context then nothing is ever a signature of malware. Maybe there is a legitimate reason for a third-party program to be writing your memory or injecting DLLs, you never know! But in practice those are red-alert triggers for any anti-cheat.