Geek Fact for July 5th

In 1996
, the first known Excel macro virus, Laroux, was discovered in Africa and Alaska.

Written in Visual Basic for Applications (VBA), Laroux was able to operate under Excel 5.x and 7.x under Windows 3.x, Windows 95 and Windows NT. It was the first macro virus that infected Excel spreadsheets instead of Word documents. It does no harm except to replicate itself.

Learn more about computer viruses at

Posted in:
About the Author

Judy Novotny

Judy is a computer veteran with 30 years of experience. She has owned everything from a TRS-80, Apple IIe and various Windows-based PCs. She is currently living in her Apple ecosystem at home consisting of an iPhone, iPad, iMac, MacBook, Apple TV, iPod nano and two Time Capsules. She is a fan of all things mobile since she got her first Palm Pilot in 1999. Check out her iPad app, Number Wizard, in the App Store. Follow her on Twitter @junovotech or at