In the near future, users of smart mobile devices can expect a dramatic increase in malware and notable advances in malware-related attacks, especially on the Android platform, as the base of users has increased exponentially. We discuss and analyze mobile malware in detail and identify challenges and future trends in this field.9. Fileless malware. Fileless malware is a type of malware that uses software, applications, and protocols already built into or native to device operating systems to install and execute malicious activities. In, hackers are infecting players of an old Call of Duty game with a worm that automatically spreads in online lobbies, according to two analyzes of the malware. On, a user on a Steam forum. Malicious cybercriminals often use malware to secretly compromise and then gain access to a computer or mobile device. Some examples of malware include viruses, worms, Trojans, ransomware, spyware, and rootkits. The main strains of malware included Remote Access Trojans, RATs, Banking Trojans, Information Stealers, and Computing is the study of computer hardware and software. Those who study computer science can therefore specialize in a wide range of interrelated subfields, from artificial intelligence and cryptography to computer engineering and software development. IT careers can be found in various industries. Malware is recognized as one of the greatest threats to modern computer systems that now underpin much of society and our daily lives. Recent years have seen a number of high-profile cyberattacks against global companies. , resulting in significant financial, operational and reputational damage.