There's an 11 MB file in my WP root, it's date/timestamp is 6:38 AM CST this morning, 02-08-2007 and it is called, simply "core" with no file extension.
I noticed it when I was unable to PUBLISH a post, but I FTP'd into my (Dreamhost) account and deleted this "Core" file (binary file), and was able to publish once. When I tried to publish a second post, the file kept reappearing, with the earlier date/time stamp and I cannot publish, just save drafts. I have a trouble ticket in with Dreamhost, and I'm running the patched version of WP 2.0.7. Other Dreamhost WP installs are not affected.
Any ideas what this is and could my site have been compromised? I don't notice any other unusual files there. Thanks.