i have some .tmp files like JET4ADD.tmp,JET5C00.tmp,JET410C.tmp and some dat files like Perflib_Perfdata_4f4.dat and many more and their size is 0 kb and also my connection is becoming slower!! my avast webshield also reported something like lsass exploit!! what is happening? i suspect i have been infected with sasser worm!! what should i do? please help! note:i tried to delete with avast but it is unable to do so!!