I have just encountered a problem: clamscan --unrar works good only if archive has extension .rar This behavior was found on Debian sarge and on SUSE9.0: here follows some example:
$ clamscan --unrar clam-error.rar /home/lel/tmp/clam-error.rar: RAR module failure
UNRAR 3.30 freeware Copyright (c) 1993-2004 Eugene Roshal
Extracting from /home/lel/tmp/clam-error.rar
Extracting clam.exe OK All OK /tmp/clamav-ff80a84a8d55f11d/clam.exe: ClamAV-Test-File FOUND /home/lel/tmp/clam-error.rar: Infected Archive FOUND
----------- SCAN SUMMARY ----------- Known viruses: 31812 Scanned directories: 1 Scanned files: 2 Infected files: 1 Data scanned: 0.00 MB I/O buffer size: 131072 bytes Time: 0.749 sec (0 m 0 s)
Everything OK sofar. Let's rename file: $ mv clam-error.rar 999
What we can get now: $ clamscan --unrar 999 /home/lel/tmp/999: RAR module failure
----------- SCAN SUMMARY ----------- Known viruses: 31812 Scanned directories: 0 Scanned files: 1 Infected files: 0 Data scanned: 0.00 MB I/O buffer size: 131072 bytes Time: 0.764 sec (0 m 0 s)
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