Computer Virus S a F E T y

History The first computer virus was called “Creeper”. It was invented in the early 1970’s. since then, millions of viruses have been invented.

What is a computer virus

Symptoms Slow response and slow program execution Random hard dive crashes and restarts Distorted graphics Files that have mysteriously vanished Extensive pop-ups ads Inability to open files with existing passwords

Types of Infections viruses malware Trojan horses worms

Types of viruses Browser hijacker- alters the search and error page of a browser and redirects the user to its own page. FIV- typically affects only one type of file