Monday, August 31, 2009

AntiVirus software

These are stand-alone programs that will protect your computer from viruses, worms and some trojans, and allow you to clean it should you become infected.

• Norton Antivirus ( Trial / Buy
• Mcafee Virus Scan ( Trial / Buy
• PC-Cillin ( Trial / Buy
• Anti-Viral Toolkit Pro ( Trial / Buy
• AVG Anti-Virus ( Free / Buy

Note that all of these websites (except have areas that will conduct free online virus scans on your machine; however, only Trend Micro’s “House Call” page ( will actually clean your machine if it finds any. In any case, these online scans are only band-aid solutions for disinfecting your machine after the fact – you should still be purchasing a realtime Anti-Virus software package (such as those listed above) to prevent viruses from getting into your system in the first place.

  • Update your virus/trojan definitions on a regular basis. Definition files are the
    database that your anti-virus/trojan software draw from to detect, identify and
    remove new viruses, worms and trojans. With new ones constantly emerging, new
    definition files are constantly being compiled and released by the software
    companies to keep up. Make sure you download these definitions regularly
    (weekly) from your company’s website to keep your software up-to-date for your
    own protection (ie, for Norton Anti-Virus you can use their “live update” feature).
  • Scan all downloaded files/attachments with Anti-Virus/Anti-Trojan software,
    before you open them.
  • Backup your data. No matter how safe you think you are, unless you back up
    your data prior to being infected, you may lose it during the infection/payload
    process (viruses/worms/trojans may delete or scramble files) or anti-virus/trojan
    cleaning process (files may need to be deleted to clean the machine). If there is
    important data that you need, make sure you back it up on a regular basis (either
    on diskette, CD-ROM or uploaded to a website).

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