Sunday 8 September 2013

SCL 2 (QUESTION 2) : COMPTER SOFTWARE

2. Discuss different types of threats and malicious program (malware) that can damage a  computer, mobile device or disrupt any system.

Search for information on current known malware program. Based on the information that you have found, create a table to list different types of malware, what it does, and how it can be repaired or removed. These information is useful for you to prevent any malware from damage your computer system.


TYPES OF MALWARE
DESCRIPTION
WAYS OF REPAIRING
WORMS
A malware computer program that can self-replicate in order to spread to other computers. Some of worms might delete and encrypt files or send documents via e-mail.










                       
1.Download and extract the Autoruns program by Sysinternal to C:/Autoruns
2.Reboot into Safe Mode
3.Navigate to the C:/Autoruns folder and double click o autoruns.exe
4.Click on the option menu and enable the following options:
  -include empty location
  -verify code signatures
  -hide signed Microsoft entries
5.Refresh the start-ups list using these new settings
6.Look through the filename that you want to remove
7.To delete the entry that is associated with the malware, right click on the entry and select delete.        Hence it will removed from Registry.
8.Reboot into normal mode when done with removing malware entries



ROOTKIT
Is a type of malicious software designed to remotely access or control a computer without being detected by users or security programs.

Once a rootkit has been installed it is possible for the malicious party behind the rootkit to remotely execute files, access/steal information, modify system configurations, after software, install concealed malware, or control the comyter as part of a bootnet.

BOT
A software that uses your computer without your knowledge to send spam, host a phishing site, or steal your identity by monitoring your keystrokes
To safeguard against malicious bots:
Install security software
Configure your software’s
settings to update
automatically.
Increase the security
Settings on your browser
Limit your rights when
online.
Never click on attachments
unless you can verify the
source.
Ensure that your system is
patched with the most current
Microsoft Windows Update.
Set your computer’s
security settings to update
automatically

VIRUSES
It can be used for identity theft, slow down computer significantly, erase information and destroy vital data.

Use anti-virus program to remove a virus from computer


Contributed by Muhammad Tauffiq Bin Khirham (A1300609)
                       Aiman Hakim Bin Hashim (A1300053)

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