Welcome to the Virus Encyclopedia of Panda Security.
Manalo is a macro virus that infects Excel spreadsheets (files with an XLS extension).
It is easy to be infected by Manalo, as it reaches the computer in an infected Excel spreadsheet through many means.
Manalo is not a dangerous virus, as its only aim is to spread to other spreadsheets.
An indication that Manalo has infected a computer is the following messages, which it displays in two hidden copies in a spreadsheet when the system date is later than June 27, 1999:
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