Baidu Antivirus - Download Baidu Antivirus is the free antivirus application developed by a large Chinese company with a large online presence in Asia. ... Baidu Antivirus 5.9.0.21205 is available to all software users as a free download for Windows. Screenshots of Baidu Antivirus (13) Baidu Antivirus (2000 x 1375) Baidu Antivirus (2000 x 1375) Baidu Antivirus (2000 x ...