I’m not familiar with Notepad code, but this looks like almost any batch file. Assuming that assumption is accurate, the first line verifies the date. If it does not equal 2015/8/27 execution will jump to the “exit” label, after which the process will terminate. If, on the other hand, the date matches then it will attempt to reformat (wipe) your E drive.
In other words, you are right not to trust it. Don’t run it.
solved What does this Notepad code do and how does it work?