It's a gif file so it should be safe to delete. I would do i system restore to sometime before you got the file though just to be safe.

It's a keylogger trojan.

http://www.google.com.au/search?hl=en&q=msfdje.gif+&meta=

Remember to google before asking or answering.

Thanks for the intel. I did Google it, but couldn't find anything about what it is, just file logs.