APsid
APsid refers to a family of computer viruses that emerged in the late 1990s and early 2000s. These viruses were characterized by their ability to infect executable files, particularly those with .EXE extensions. Upon execution of an infected file, APsid viruses would typically reside in memory, waiting for opportunities to infect other .EXE files on the system. Their payloads varied but often included minor system disruptions or simple messages displayed to the user. While not as sophisticated or destructive as some later malware, APsid viruses were a notable part of the early computer virus landscape, contributing to increased awareness about cybersecurity and the need for antivirus software. Their presence highlighted the growing threat of malicious code and the importance of regular system updates and scans. Over time, as operating systems and security measures evolved, the APsid family became less prevalent, largely superseded by more advanced and targeted forms of malware.