virus and antivirus ppt
TRANSCRIPT
![Page 1: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/1.jpg)
Presented ByCse 2nd year
S.karuna nidhi &
T.phanedra babu
![Page 2: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/2.jpg)
Introduction
![Page 3: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/3.jpg)
What is Computer Virus
“A computer virus is a program that can copy itself and infect a computer without
permission or knowledge of the user”
![Page 4: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/4.jpg)
HistoryPakistani Brain Virus (1986): boot sector virus
called (c)Brain, created in 1986 by two brothers, Basit and Amjad Farooq Alvi, operating out of Lahore, Pakistan
Apple Virus 1 (1981): Boot sector infecting virus. Possibly created for pirated games.
Animal (1975) (Univac): “Guess an animal” game.
![Page 5: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/5.jpg)
Email Networks Removable Storage Media Pirated Software
![Page 6: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/6.jpg)
Symptoms of Virus AttackComputer runs slower then usual Computer no longer boots up Screen sometimes flicker PC speaker beeps periodically System crashes for no reason Files/directories sometimes disappear
![Page 7: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/7.jpg)
Different Types of Malware
![Page 8: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/8.jpg)
Trojan Horse
CovertLeaks informationUsually does not reproduce
![Page 9: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/9.jpg)
WormsSpread over network connectionWorms replicateFirst worm released on the Internet was called
Morris worm, it was released on Nov 2, 1988.
![Page 10: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/10.jpg)
An Example Of Error Message Due To Virus
![Page 11: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/11.jpg)
Antivirus
“Examining (scanning) files to look for known viruses matching definitions in
a virus dictionary”
![Page 12: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/12.jpg)
Different Anti-virus Programs
Activity monitorsAuthentication or change-detection softwareScanners
![Page 13: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/13.jpg)
Top Seven Antiviral Programs
Kaspersky AntivirusData Fellows F-PlotMcafee AntivirusSymantec Norton AntivirusBit Defender 2010Quick Heal AntivirusAVG Antivirus
![Page 14: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/14.jpg)
![Page 15: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/15.jpg)
General Security Tips Apply user-level security on file sharing
when needed. Don't open email attachments from
unknown senders. Use Rich Text Format files instead of
Word Documents. Updated anti-virus program Set the BIOS boot sequence Write protection
![Page 16: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/16.jpg)
“It is good to be aware of viruses and malware rather
then being sorry…..”
![Page 17: Virus and Antivirus Ppt](https://reader036.vdocuments.pub/reader036/viewer/2022081800/54f680e24a79592b3e8b4858/html5/thumbnails/17.jpg)
THANK YOU
Any Question?