W97M/Kukudro.B is a macro virus. It arrives as an email attachment.

The subject of the infected mail will be any one of the following;

Hello
worth to see
Hi
prices

The body of the infected mail will be;

Hello (random name)
--
Regards, (random name) (random email address)

The name of the infected attachment will be any one of the following or in random names;

apple_prices.zip
prices.zip
hp_laptops.zip
sony_prices.zip

The attached zip file contains the following word document file;

(name of zip file).doc

When the file is opened, it drops the following file in C:\ drive.

dnel.exe

The droped file will be executed and tries to download other malwares from a pre-configured list of websites.

This macro virus first appeared on June 28, 2006.

 Other names of W97M/Kukudro.B Virus:

This Macro Virus is also known as WM97/Kukudro-B, W97M_DLOADER.BVS.