This ppt tries to explain the various types of malware that are been used by hackers to infect other systems.

1. Types, differences & prevention

2. Malware, short for Malicious Software is any
software used to
 Disrupt computer operation
 Gather sensitive information
 Gain access to private computer systems

3.  Spyware
 Adware
 Keyboard logger
 Ransom ware
 Rogue software & scare ware
 Viruses
 Trojan horses
 Worms

4. A software program that monitors your
computer usage without your knowledge and
can
 Eat up system resources
 Affect performance
 Steal confidential data
 Keep track of what websites you visit

5. A program that delivers targeted advertising
content to users often by gathering information
from a user’s computer about what the user
does online and which websites are visited.

6. Adware can
 Change your homepage
 Flood your screen with multiple pop-up ads
 Install tool bars in your browser
 Read cookies installed on your computer

7.  A program that keeps track of every
keystroke that you type at your computer.
 Can gain access to your passwords, account
numbers, credit card numbers and other
personal data.

8. Applications that use unethical marketing
practices to trick users into paying for and
downloading worthless or malicious software
pretending as computer security software.
 They display a bogus message announcing
that your computer has been infected with
spyware
 Message is formatted to display as if it was
coming from your own security software

10. A form of malware in which user’s files are
encrypted or the system is disabled if the
ransom is not paid.
“Ransom” consists of
 Sending a premium SMS text message
 A wired transfer
 Online payment voucher services
 The digital currency ‘bitcoin’

11. Ransomware can:
 Encrypt text files, Word documents, PDF’s,
JPG picture files
 Display false notices in the name of law
enforcement agencies that your system had
been used in illegal activities
 Imitate Windows product activation notices
 Could be an empty threat

13.  Is a malware program that installs without
user’s consent
 Is attached to an executable file
 Replicates by inserting copies of itself into
other programs, data files etc.
A virus can
 Steal hard disk space or CPU time
 Access private information
 Corrupt data

14.  A non-self-replicating type of malware
 Looks legitimate (in the form of a music/
movie/game file)
 Act as a backdoor, contacting a controller
which can have unauthorized access to the
affected computer

15.  Standalone malware computer program
 Does not need to attach itself to an existing
program
 Replicates itself to spread to other computers
over a network

16.  Using genuine operating system and keeping
it up to date
 Regularly update everything installed on your
computer
 Use a good anti-virus and anti-spyware
software
 Use a built-in or third party firewall
 Uninstall toolbars, plug-ins and other
software that you don’t use

17.  Don’t open email attachments or downloaded
files without verifying their source
 Be wary of clicking links in emails and while
browsing
 Be alert to fake virus warnings, often within
web browser windows, that encourage you to
download, install or purchase unfamiliar
software
 Heed warnings from web browsers, search
engines and security products

18. Thank You