Dr. Manishika Jain explains Malware & Types of Malware in this lecture. This is important due to the recent ransomware "Wannacry" in news.

Malware = Malicious Software
Privacy loss
Unauthorized entry
Spread

Spread - Why?
Exploits (security) bugs
Weak passwords
Improper security practices
Motivation for profit
Malware Malicious Software @1:55
Spread – Why? @5:27
Sources @6:03
Virus versus Worm @6:30
Virus @6:36
Worm @7:20
Concealed Programs (Not Detected) @10:54
Annoying Programs @12:38
For Profit @14:53
Adware @15:01
Botnets @15:33
Ransomware @17:14
Advance Fee Fraud @18:07
Spyware @18:40
Dialers @19:22
Keylogger @19:35
Phishing @20:36
Malware Distribution @22:10
#Annoying #Concealed #Bandwidth #Intervention #Firewall #Physical #Unauthorized #Spread #Weapons #Manishika #Examrace


Sources
Website
E-mail
Physical media
Pop-up window
Software
Illegal File Sharing

Virus versus Worm
Virus – User intervention (click, download, run or open)


Worm – Spread Automatically (defense by firewall) – consume bandwidth & overload web server

Send data to 3rd party or delete data


Concealed Programs (Not Detected)
Trojan Horse

Rootkits

Backdoors

Annoying Programs
Joke Program – mouse goes reverse

Spam – junk email

Virus Hoax – warns of non-existent virus & asks to forward it

For Profit
Adware

Botnets

Ransomware

Advance Fee Fraud – offers by email



For Profit
Spyware

Dialers

Keylogger

Phishing



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