Viruses

Viruses

A virus is a software that spreads from computer to computer. It interferes with peoples computer operarions. Viruses can be very harmful to your files.

Stealth Viruses: A stealth virus can disguise itself as a programme without being detected by using a special tactic by anti virus software.

Polymorphic Viruses: A polymorphic virus acts like a chameleon , changing its virus signature every time it multiplies and infects a new file.

Macro Viruses: A macro virus is programmed as a macro embedded in a document. Many applications, such as Microsoft Word and Excel, support macro languages.

 The following points will tell you tips and tricks to prevent viruses getting onto your computer in the first place.

The damage a computer virus can inflict on your system depends on many things, including how sophisticated the virus is. Here is a short listing of the types of damage viruses can do to your computer - they can really hit you where it hurts: - Some viruses can delete or change files. Some viruses will delete all of your documents, or even reformat your hard drive, making your computer unusable.

1) Avoid suspicious websites – A good virus protection program will alert you when you visit a website that attempts to install or run a program on your computer. Many less than reputable adult websites do this, so if you get a warning, don’t go back, you may end up with a bug you can’t get rid of.

2)Never Open Email Attachments Without Scanning Them First – The most common way viruses are spread throughout the Internet is still via email. Some attachments, like pictures, now display in emails and don’t require an attachment to be manually opened, but other documents do. Make sure you use an email client that scans all email attachments before you are allowed to open them. This will help prevent computer viruses from getting a foothold on your machine.