You don't need the R0 and R1 to tell you they're bad, just look at the information.
a) have you ever heard of those websites before?
b) why would they need to be obfuscated (hidden) if they were legitimate?
Read the help which comes with HiJackThis.
It has backup features (to undo what it does)
It has clean features to suggest things which need to be removed, and the ability to remove them.
I suggest you try those things to see what it suggests should be removed.
