Accoring to the Iranian Computer Emergency Response Team Co-ordination Center, that's exactly what is happening. The new 'Batchwiper' malware hides out on your computer and one day, in one moment, deletes drives D - I on your computer. Gone....like that.
Think your anti-virus can catch it? Not this one, Batchwiper also has the ability to disguise itself from antivirus softwares. Disguised as a Microsoft Office 2007 document collaboration feature called Microsoft Office Groove, the .exe file has been causing quite a stir.
For more information check out this Digital Trends Article.