What are the basic steps to identify a Virus that is effected on computer?

Question

Rojbeni Lokmen · Answer

définition : Computer viruses are small applications that contaminate files inside your computer and are capable of transferring from one computer to another. The purpose of the virus is to spread and corrupt a computer’s system.

A symptom is a departure from normal function of Computer :(means that computer is effected by virus)

1- Infected computers start to slow down until the entire system eventually crash or malfunction.

2-....

Setps to identify a virus and Protection :

Materials Needed:

-Internet connection

Setp1:

Install an antivirus program.Antivirus programs are available online via downloading or offline via CD or DVD copy.

antivirus URL (s):

http://www.mcafee.com/

http://www.bitdefender.en/

http://www.kaspersky.en/

http://www.eset.com/

http://www.avira.com/

https://www.f-secure.com/

http://www.trendmicro.fr

http://www.emsisoft.fr/

Setp2:

After installing your antivirus program run an immediate update of the software. Antivirus updates are important as some antivirus employs signatures to recognize viruses. Signature is a traditional process to identify malicious files. It identifies viruses by checking the contents of a file or a program against its data base of viruses. Updating your antivirus program would also mean updating your virus database of the newly identified viruses. Nowadays, well known antivirus companies also employ heuristics to identify viruses and other malicious files. Heuristic is a process in which an antivirus program analyzes files and programs command lines to be able to identify if they are malicious and harmful.

If you have a special file that you want to test infection without install the antivirus You can use directly a website :https://www.virustotal.com/fr/

Setp3:

Another way to find a virus in your computer is to check the Windows Start-up folder. To go to Windows Start-up folder select My Computer. Select Drive C: from My Computer.

Setp4:

Check on the list of programs installed in your computer. Note the names of the programs you are not familiar with.Check the program’s name on the Internet. Research about its functions and possible effects on your system.

If this file was indeed malicious delete it at once. If you are not sure if a file is malicious do not delete anything as it might affect your computer’s system and cause even greater damage.