Mac users interested in Clamxav for os x 10.5.8 generally download:
ClamXav is an antivirus created for Mac. This utility helps you remove various types of malware threats from your computer, has simple to configure settings, and immediately gets the job down without slowing down the performance of your Mac in the process.
ClamXav is a free virus scanner for Mac OS X. It uses the very popular ClamAV open source antivirus engine as a back end and has the ability to detect both Windows and Mac threats. ClamXav can be setup up as passive or active: scan only the files you tell it to or your entire hard drive