Multiple antivirus companies are now explicitly flagging in their products an app that Chinese authorities were planting onto the phones of tourists at the country’s border. Tuesday, a collaboration between Motherboard, Süddeutsche Zeitung, the Guardian, the New York Times, and the German public broadcaster NDR revealed Chinese authorities are installing the malware—called BXAQ or Fengcai—onto travelers’ Android devices at a border crossing into Xinjiang, a Western part of China.