Some viruses are harmless and just create a nuisance, but others are intended to alter data or destroy an entire hard drive. The virus protection programs have to come with updates because new viruses are being discovered everyday. The virus lives in the host program and each time the host program is executed, so is the virus. At each execution, the virus seeks out more hosts to attach to. It spreads to numerous systems by attaching itself to as many hosts as it can and then making copies of itself.
Viruses can enter a computer by internet connections or by contaminated disks.
According to the Network Associates Services virus information, the ten most common viruses are Cap, Concept, Wazzu, Antiexe, FORM, Laroux, Anticmos, Junkie, NPAD, and Parit Boot. Information about these viruses can be found by clicking here. Back to Top Virus myths Because computer viruses are potentially very harmful, there is concern by many on how it is spread. Computer viruses can spread in various ways, but there are some myths that are not entirely true. One myth is that a virus can be caught by simply being connected to the internet.