ms-its: and mk:@MSITStore: vulnerability

This things an absolute arse to remove, my friends computer had it the other day. Its the first time in ages I sat down an messed with something like this for so long, as i found it fascinating.

does any one know what a mk:@ thing is when you enter it in internet explorer? mine returns an invalid syntax error, im curious as to what protocol? it is

cheers for the attachment im gonna have a read of this, might have been helpful when i was trying to sort it the other week

i2c