This report provides a comprehensive overview of malware analysis, encompassing various types of malware such as viruses, worms, Trojans, rootkits, RATs, botnets, and spyware. It delves into the characteristics and behaviors of each type, offering insights into how they infiltrate systems and cause damage. The report also explores different analysis techniques, including static and dynamic analysis, to identify and understand malware. Furthermore, it examines social engineering tactics and their role in malware distribution. Finally, the report discusses various prevention methods, such as the use of antivirus software and firewalls, to mitigate the risks associated with malware. The report also explores the methods of malware analysis, including the steps taken after a file is identified as malicious. The report then goes on to discuss the technical issues, security defects, and user errors that can lead to malware infections. The report concludes by discussing the role of static and dynamic analysis in malware detection and prevention.