Dr. Mario’sVIRUS DETECTION AND PREVENTION DLSPS - Graduate School of Business Prepared by: LOADING. . . Table of Contents • Introduction • Computer Virus Types • Detecting Computer Viruses • “Catching” a Computer Virus • Detecting and Eliminating Computer Viruses • ReferencesIntroduction • A computer virus is a computer program that can copy itself and infect a computer without permission or knowledge of the user. (www.wikipedia.com). The term comes from the term virus in biology. Similar to the way a biological virus works, a computer virus reproduces by making (possibly modified) copies of itself in the computer's memory, storage, or over a network. • Back to Table of ContentsComputer Type Viruses • a)Computer System / Boot Record Viruses • Attack parts of your computer used to run programs • b) Computer File Viruses • Clings to various programs files` • Sample files: .COM, .EXE, .DOC • c) Common Computer Virus Names • Stoned, Love Bug, • Check “Data Fellows Computer Virus Information” • Check McAfee/Norton/TrendMicro website • Back to Table of Contents How Do I Know I Have A Computer Virus? • Programs take longer to load than normal • Hard drive runs out of hard disk space • Files have strange names you don’t recognize • Conventional memory isles than it used to be • Programs run erratically • Back to Table of ContentsHow Can You “Catch” A Computer Virus? How? • Flash disks • Internet • Email • Networks • Back to Table of Contents How? How? How? How? How? How Do I Detect and Eliminate Computer Viruses? • Use anti virus software • McAfee • Norton • TrendMicro (online) • Use firewall • Kerio • ZoneAlarm • Back to Table of ContentsReferences REFERENCES: • 1. ^ Vesselin Bontchev. Macro Virus Identification Problems. FRISK Software International. • 2. ^ Malware Evolution: MacOS X Vulnerabilities 2005 - 2006. Kaspersky Lab (July 24, 2006). • 3. ^ McAfee. McAfee discovers first Linux virus. news article. • 4. ^ Axel Boldt. Bliss, a Linux "virus". news article. • Back to Table of Contents REFERENCES : REFERENCES : REFERENCES :