Assalam Alekum.

i have toshiba satellite labtop 500 gb hard windows 7 ultimate
4gb ram processor i3-2350M CPU @ 2.30GHz...
first of all MASODA File then ALKA File (.alka)
i was trying to come out from these problems
another virus HELP Files attack and all files, folders
video audio every things are crept.
there are some very very important officials files
are kept in it dont wants to lose them.
please help me to come out of all these problems
i shall be very much thank full to you all.