Microsoft warns Windows users of a file-trashing worm that has been circulating via e-mail for several weeks. The worm is programmed to destroy a wide variety of files on the third day of every month. Microsoft calls it Win32/Mywife, but it is also known as Nyxem, Blackdoom, W32.E@mm, Tearec and “Kama Sutra” The worm does not rely on a Windows vulnerability, but instead uses “social engineering” techniques to spread.”]
Source: https://www.csoonline.com/article/2120511/microsoft-warns-of-file-trashing-worm.html