No.
According to the official website of Qichacha, we learned that the "Mars" app is a trademark of Linyi Mars Intelligent Technology Co., Ltd. Linyi Mars Intelligent Technology is a formal company protected by official website certification laws and has been registered with the Ministry of Industry and Information Technology. If the license and certification are legal, and if it holds formal and legal business documents, it is a legal enterprise. The main business is educational software technology development, technology transfer, technical consulting, etc., so the "Mars" app does not have viruses.