There must be something wrong with your installation... Running clamscan (0.93.1) on the EICAR files:
VolatileMinds:~# clamscan -i ./ ./eicar_com.zip: Eicar-Test-Signature FOUND ./eicarcom2.zip: Eicar-Test-Signature FOUND ./eicar.com: Eicar-Test-Signature FOUND ./eicar.com.txt: Eicar-Test-Signature FOUND ----------- SCAN SUMMARY ----------- Known viruses: 341801 Engine version: 0.93.1 Scanned directories: 1 Scanned files: 13 Infected files: 4 Data scanned: 0.02 MB Time: 4.875 sec (0 m 4 s) VolatileMinds:~# _______________________________________________ Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net http://www.clamav.net/support/ml