Spyware, Viruses, Malware, Worms, Trojan Horses, and Adware: Symptoms, Solutions, and Prevention

Virus: A Virus or Computer Virus is a self-replicating program or piece of script or code that make copies of itself and then either attaches itself to an existing file on the infected system or store copies of itself on the system with innocuous sounding names like ‘repair tool’. The virus is limited to spread