This ppt for education purpose only

1. Presented by
Velappasami. N. SU.
Sec-`k`
Information Technology
National Engineering College kovilpatti .

2. What is Ransomware ?
• 'Ransomware' is a type of malware that attempts to
extort money from a computer user by taking
control of data stored on it.
• Hackers use this technique to lock you out of your
devices and demand a ransom in return for access.

3. Where ransomware comes from ?
 It can enter your PC through an email
attachment
Through your browser if you happen
to visit a website that is infected with
this type of malware.
It can also access your PC via your
network.

4. How Ransomware Works

6. How to prevent ransomware ?
 Keep all of the software on your computer up to date.
 Keep your firewall turned on.
 Don't open spam email messages or click links on suspicious
websites.
 Keep your browser clean.
 Delete all files and folders under your TEMP folders
 Good data backups

7. How to remove ransomware ?
Antivirus software's, which should scan and remove any ransomware attempts found
on your computer. eg: Bitdefender, Avast, AVG, Avira, Kaspersky, Norton.etc

8. USE SYSTEM RESTORE
Windows 7
1. Shut down and locate the F8
key .
2. Turn the PC on, press the F8
key repeatedly.
3. The Advanced Boot Options will
open.
4. Select Repair Your Computer .
5. Select your Windows account
name and enter your
password.
6. Once logged on,
click System Restore.

9. USE SYSTEM RESTORE
Windows 8, 8.1, or 10
1. If your PC boots to the
Windows login screen,
hold the Shift key, click the
power icon, and
select Restart.
2. It should reboot to the
recovery screens.
3. Select Troubleshoot > Adva
nced Options > System
Restore.

10. Conclusion
 Keeping all the software updated and getting latest
security updates might help to prevent the attacks.
 Use of antivirus and original software is highly
recommended.
 Data Backup.
“Knowledge is the best possible weapon to prevent them.”
Be careful what you click!!