*Computer slows down when program start up, etc.Ĭomputer Worms are malicious that replicate, execute, and spread across the network connection independently without human interactions. *The process takes more resources and time Now lets how the system behaves when it is infected by a virus: What are the indications when a system is infected by a virus? Well as we all know every thing is for a reason and here are some of them, they are created because of the following: There are many types of virus which get infected into the system and some of them are Boot sector virus, File Virus, Cluster virus, Macro virus, Etc.
Some virus infect each time they run and others infect only when a certain predefined condition is met such as users specific task. They are programmed with trigger events to active and corrupt files. The Virus replicates itself and attach to a. They are generally transmitted through file downloads, infected drives and as email attachments. Now lets learn the concept Virus and worms ? What is virus and worms ? How virus is different from worms and what all tools can be used to create viruses and worms …Ī Computer virus is a self replicating program that produces its own copy by attaching itself to another program, computer boot sector or document.
