Not sure bakit minsan may nakakaligtas sa ibang anti-virus. All I know is from time to time kasi ay may database update ang kaspersky. Though it's infuriating minsan kasi basta na lang mag-update unless naka-pause ang updates, so far so good. Yan...
Since nag-full scan ka na at sabi mo na-try mo na lahat, do you mean na-try mo na rin pati 𝐌𝐚𝐥𝐰𝐚𝐫𝐞𝐛𝐲𝐭𝐞𝐬 and kaspersky? Nagka-incident din ako dati at feeling ko someone gained access to my laptop kasi merong browser history kahit tulog ako non at...