problem with a Facebook hack?

[Theo]

hi
someone or something has hacked into my Facebook account and is starting dodge virus like conversations like:
hehe do you remember this photo
im starting to get worried please can you help me
also is there any way that i can contact facebook directly
i repeat again
please help

[Blue]

have you tired logging in and changing your password.
how did they hack it anyways?

[Daniel]

Change your Password and That Should Fix the Problem Becareful What you Click on

The Only Way to Contact Facebook is Through the Help Center They Wont Write Back Tho So Its Pointless To Write to Them They Will Only Reply Back If They Need More Info About a Bug Report

[Angeleyes]

Log in and change your password.