Kamasutra Worm

nsrhonda89
NOD32 detects this threat as Win32/VB.NEI

This worm is known with the following aliases:

Email-Worm.Win32.Nyxem.e (Kaspersky)
W32/MyWife.d@MM (McAfee)
W32.Blackmal.E@mm (Symantec)
Win32.Worm.VB.TB (Bitdefender)

and known under the Press Name KAMASUTRA WORM

It was proactively detected by Advanced heuristics without update.

The worm has a payload for every 3rd of each month for overwriting files.

http://www.eset.com/msgs/vbnei.htm