[clamav-users] Scan very slow

jmedard at amv-sa.fr jmedard at amv-sa.fr
Mon Mar 18 06:38:00 EDT 2019


Since some weeks, my clamav (0.100.2+dfsg-0+deb9u1) on Debian 9 64b is very
slow for scanning some files.
It seems that this concerns PDF files. We have this problem with a lot of

I'm using daemon version with default clamd.conf

# clamdscan -v /tmp/esploso_A3TH.pdf 
/tmp/esploso_A3TH.pdf: OK

----------- SCAN SUMMARY -----------
Infected files: 0
Time: 185.457 sec (3 m 5 s)

For information, we use a good server (2x Xeon E5-2630v3 with 128Go). I
tried on several servers, the scan is very slow too.

I'll attach one example PDF file. 

Did you have the same problem ?
Is there not a bug ?


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