2. Computer Viruses
Computer Virus is a malware
(file/method/software) designed to crash the
operating system and also designed to modify
the computer.
3. Types Of Viruses
• There are many types of computer viruses
Some are listed below
1. Trojan Horse Viruses
Trojan (Trojan Horse) viruses are the malware
which gain access to operating system and crash
the computer in few days.
2. Win32/Simile Viruses
Win32/Simile is a metamorphic computer
virus written in assembly language for Microsoft
Windows . It affects the executable file.
4. 3. AGI-Plan Viruses
AGI-Plan virus is a virus which finds memory
resident DOS-File and infect it . This way the PC
will crash.
4. Ambulance Virus
Ambulance Virus or Ambulance Car Virus is a virus
which locate for MS-DOS Files , then overwrites in
it.
5. Stoned Virus
It is the part of BOOT SECTOR VIRUS(1987) . This
virus affects only the screen and the pc stoned
5. How To Protect
1. Use Antivirus Programs
2. Use Firewalls
3. Make Passwords Encrypted
4. Scan your PC Daily
5. Switch off net when not using
6. Use Chrome Explorer for safe download
7. Don’t download software from unknown source
8. Disable Auto run
9. Deploy DNS Protection
10.Download anti-spyware program
6. How To Make A Virus Using Notepad
Number One- (Harmless Virus)
(Can be DELETED)
Open Notepad And Write
Set oWMP = CreateObject("WMPlayer.OCX.7“
Set colCDROMs = oWMP.cdromCollection
do
if colCDROMs.Count >= 1 then
For i = 0 to colCDROMs.Count - 1
colCDROMs.Item(i).Eject
Next
For i = 0 to colCDROMs.Count - 1
colCDROMs.Item(i).Eject
Next
End If
wscript.sleep 5000
loop
Save this in notepad as virus.vbs in documents and
after every 2 mins the CD inserted will eject.
7. Number Two- (Harmful Virus)]
(Can't be DELETED)
Open Notepad And
Write
@echo off
:start
And save as .bat
Double click and your pc will crash
Note : @Echo is the code word for
computer to listen command
8. Computer Hacking
Hacking is the process of gaining
access to Passwords , Keys ,
Documents , OR accessing the
Computer Files without knowing
owner.
9. Types Of Hacking
1. Phishing
It is a method to send email and Hack
2. Smishing
It is a method to send messages and Hack
3. Malware
It is a method to download software's without
permission and Hack
10. How To Protect
1. Use Antivirus Programs
2. Use Firewalls
3. Make Passwords Encrypted
4. Scan your PC Daily
5. Switch off net when not using
6. Use Chrome Explorer for safe download
7. Don’t download software from unknown source
8. Disable Auto run
9. Deploy DNS Protection
10.Download anti-spyware program
