Look,it is simple to remove newfolder.exe
try this out,
first ur computer is always is infected bye virus so it does not allow u to install any anti virus,so
1)install new windows which windows can support
2)and then without opening anything program,instal kaspersky anti virus only from CD,(do not use hard drive to install)
3)and after u install,if u have serial key then activate and if u don't have then activiate
4)then kaspessky anti requires restart and then
5) and don't open my computer but first press right click to my computer and then explore it and inthe left side u will see ur infected drives(d:,e:)and then with out opening that drive,scan with kaspersky and it will finds,and u don't need to update to remove it,just do it and follow this procedure,if it still does'nt goes then reply me,
here's my email add
om445@hotmail.com
good luck