ppt on various malware program and there comparisons.

1. VIRUSES,WORMS And TROJANS

2. Viruses
 Can Spread from one computer to another.
 Needs human action to execute itself.
 Can destroy files , corrupt your data.
 Propagates when the host program is executed.
 Slow down your pc.

3. Types of Viruses
 Boot Sector Virus
 Multipartite Virus
 Program Virus
 Worms
 Trojans
 Email Virus
 Macro Virus

4. Worms
 A computer worm is a standalone computer
program that replicates itself in order to spread to
other computers.
 Does not alter files.
 Resides in active memory and duplicates itself.
 Don’t need human activity to transfer from one
computer to another.
 Slow down your pc and increase usage of resources
automatically.

5. Difference B/w Virus and worms
Virus Worms
 Attaches itself to OS or
programs.
 Needs user action to
propagate.
 Needs a host file.
 Spread quite slowly.
 Don’t attaches itself with OS.
 Automatically propagates
over network.
 No Host needed.
 Can spread in thousands of
numbers in some minutes.

6. Trojan
 Trojan horses do not replicate themselves but they can
be just as destructive.
 Can be employed by hackers.
 Provides backdoors to your computer data which can
be used for stealing data by hackers.
 Can Exploit your data.

7. Virus
Protection
 Install Any
Antivirus Program.
 Don’t download
Software's from
unknown resources.
 Activate Windows
Firewall.
 Scan your computer
for finding infected
files.