What is a macro virus ?

With the growing popularity and utilization of the internet, the viruses and threats are also growing. However, most internet companies decide to implement different forms of anti-virus programs to prevent attacks and keep internet surfing safe. Macro viruses are a type of virus that requires certain keys to be pressed in combination to permeate a computers security system. They are unable to infect a computer even after downloading the virus, which is usually in a text file unless certain commands are made.

Most computer applications such as Microsoft Excel and Word disables the function of macros in default. This helps keep an unaware user from the unintentional execution of macro virus. These computer applications stay macro aware and with a couple of adjustment on the computers security settings, trusted macros as well as the other macros can function. Trusted macros are considered the safest one of all and they are the least to have macro virus. This file is usually from user utilizing the macro or by a corporate IT for use only within their company.

A macro virus can permeate a computer the same way as a self-executing virus does, using file download from the web or email. As other viruses are, user can pass macro virus unintentionally to other computers through file transfers using floppy disk or flash memory.

Generally, it is best not to accept files with macros embedded or the utilization of macros made by other computers. Research about macros can be very helpful in reducing the possibility of macro virus infection. If you are planning to download files or templates containing macros, you have to make sure that the provider is verified and trusted to be virus-free.

Disabling the function of macro in the computer by default plays a vital role in the dramatic reduction of macro virus infection. However, it is still the users responsibility to be aware of the files received from the internet to lessen macro virus infection.

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One Response to “What is a macro virus ?”

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