Topic Name:

Virus & Anti-Virus Group members:

55-60

Agenda :▪ Viruses:– What is the Computer virus? # Anti-Viruses:– Computer Virus Time Line - How to detect virus? – Types of Computer Virus - How to clean virus?

▪ Boot Sector Virus - Best Practices▪ File Infector Virus▪ Multi-partite Virus▪ Macro Virus▪ Trojan / Trojan Horse▪ Worm

– How does computer virus works?

What is the Virus?

Computer Virus Time Line

• 1949

• 1981

• 1988

• 1991

• 1999

• 2000

• 2001

Types of virus: Boot Sector Virus

File Infector Virus:

Multi-partite Virus:

Macro Virus

Trojan Horse:

Worm:

How does computer virus works?

Anti-virus:

How to detect virus?

How to clean virus?

How to clean virus?

▪ The steps to reinstall the whole system – – Reboot the PC using a clean startup disk.– Type in MBR to rewrite the Master Boot Record.– Format DOS partitions.– Reinstall Windows XP or other os and other applications.– Install Antivirus Software and apply the latest virus

definition data.

Best Practices:

Regular Backup

Install Anti-virus Software

Daily Virus Scan

Check Downloaded Files And Email Attachments

Be careful when use new software and files

Be alert for virus activities

Be calm when virus attacks