Apple virus scanning

This evening I installed ClamXav_1.1.1 into my MacBook and scanned my home directories. I was expecting nothing as I almost never download anything serious. But the scan did question several of my blog MySql backups which were lingering around in gzip formats, and one curious Java File ms03011.jar-3847f8dc-7fafd5ef, so I googled it, finding nothing, but abbreviating it down to ms03011.jar and found all sorts of hits, mostly with regards to ‘Adware’. The AV software had no recommendation, so I move the file(s) with that name from the library directory, and logged out and back in, and , it might be my imagination, the whole system seem to respond quicker. It could be nothing, but it didn’t hurt.