Roger Samara | How to Identify and Remove Computer Virus

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How to Identify and Remove Computer Virus

• Roger Samara

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What is a Computer Virus

• A computer virus is a software program which is
  able to replicate itself and spread from one
  infected computer to another.
• The infected objects can be system, program or
  document files. After infecting your computer, it
  might slow it down, damage the contents of the
  infected files, mislay the data or defect your
  computer systems normal operation.
• Some types of viruses might use your computer to
  create a bot net to attack other server systems
  and websites etc.

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Type of Viruses 

• There are a number of computer viruses that can
  impede the functioning of computer. Here are some
  types of viruses

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Trojan Horse Virus

• It is an email virus that is created by a file
  attached to the email. If opened, it may scour
  your hard drive for any personal and financial
  information such as your social security and PIN
  numbers. Once it has collected your info, it is
  sent via the internet to a hacker or thief.

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Macro Virus

• It is a computer virus that infects the Visual
  Basic language documents for applications such as
  Microsoft Word, Microsoft Excel etc. This type of
  virus can cause damage.

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Worms Virus

• It is a program that has the ability to
  self-replicate itself. It can move from one
  computer to another and replicate itself in your
  computer system then spread hundreds of its
  copies to other computers that might cause wide
  spread damage.

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Rootkit Virus

• It is a program that is possible to cover the
  processes, files and data in the computer
  Registry. Rootkit is usually used to hide the
  activities of viruses and processes which harm
  your computer. It is to help a hacker to control
  the system.

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Bootsector Virus

• A virus which attaches itself to the first part
  of the hard disk that is read by the computer
  upon boot up. These are normally spread by floppy
  disks.

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