anyone know what are those files at the programfiles/lottoshares folder? i should keep there or delete?

angelshares.txt http://paste4btc.com/0Lr5OoxH
bitcoin.txt http://paste4btc.com/8UJ1RgNu
block5313.txt http://paste4btc.com/TLaalHXL
dogecoin.txt http://paste4btc.com/URStHapt
protoshares.txt http://paste4btc.com/ZBEi3qFb
memorycoin.txt http://paste4btc.com/ydAcjpKq
thirtypercent.txt http://paste4btc.com/hrluuKqt
thirtypercent2.txt http://paste4btc.com/DIPgYuZz