How to Remove Chase Red and White Hexagon?

Chase Red and White Hexagon keep appearing in my icon tray for a second and then disappear. I'm sure it's some type of virus. It's a half red and half white hexagon...

If your computer has Chase Red and White Hexagon, your computer might be infected by malware. Please make sure if you have recently done these things:

Downloaded certain software from the internet (especially from third party websites);
Downloaded and install attachments from spam emails or emails received from your contacts but seems strange;
Received share files from unknown people or clicked links to download share files;
Visited corrupt sites or porn sites or clicked random popups or links;
Inserted infected removable internal drive to your computer
...