I’m sure "it could never happen to you", but just to be safe how about downloading a copy of ClamAV and giving your computer a full scan? 300,000 people are going to lose their important documents on Friday. Please don’t be one of them.
This virus will overwrite the following types of files on an infected computer beginning some time on February 3, 2006: DOC, XLS, MDB, MDE, PPT, PPS, ZIP, RAR, PDF, PSD and DMP. It overwrites the files with the string "DATA Error [47 0F 94 93 F4 F5]".