[clamav-users] Malformed database issue

Thomas McCourt (tmccourt) tmccourt at cisco.com
Sun Jul 15 21:58:17 EDT 2018


Oh, check your permissions on var/lib/clamav, see if clam has access to it

On 7/15/18, 8:05 PM, "clamav-users on behalf of Jay Hart" <clamav-users-bounces at lists.clamav.net on behalf of jhart at kevla.org> wrote:

    
    
    > Hey Jay,
    >
    >
    > Not sure which it is referring to db wise, but deleting main.cvd, daily, bytecode and mirror.dat
    > should fix it after another freshclam.
    >
    >
    > Thank you,
    >
    >
    > Tom M
    >
    
    After I emptied the directory, and reran freshclam, I rebooted the box. Now clamav is not running
    due to this:
    
    Starting Clam AntiVirus Daemon: LibClamAV Error: cli_loaddbdir(): No supported database files
    found in /var/ lib/clamav
    Sun Jul 15 19:54:28 2018 -> !Can't open file or directory    [FAILED]
    
    Jay
    
    > On 7/15/18, 5:05 PM, "clamav-users on behalf of Jay Hart"
    > <clamav-users-bounces at lists.clamav.net on behalf of jhart at kevla.org> wrote:
    >
    >     Hello and good afternoon,
    >
    >     Yessterday on a Centos 6.10 server I ran the software updater application which indicated 134
    >     packages needed to be updated, one of which was Clamav.
    >
    >     The updater ran fine and the machine was rebooted. Upon reboot Clamav failed to run. This was
    > due
    >     to the deprecated option "AllowSupplementaryGroups" being enabled. Once I disabled this
    > Clamav
    >     would run, but I also was receiving a second error, which I have not been able to resolve.
    >
    >     It occurs when Freshclam queries the server for updated virus database files. I have enabled
    >     logging for libclamav when freshclam runs to provide additional details.
    >
    >     ClamAV update process started at Sun Jul 15 16:27:39 2018
    >     Using IPv6 aware code
    >     Querying current.cvd.clamav.net
    >     TTL: 611
    >     Software version from DNS: 0.100.1
    >     WARNING: Your ClamAV installation is OUTDATED!
    >     WARNING: Local version: 0.100.0 Recommended version: 0.100.1
    >     DON'T PANIC! Read https://www.clamav.net/documents/upgrading-clamav
    >     Retrieving http://db.local.clamav.net/main.cvd
    >     Trying to download http://db.local.clamav.net/main.cvd (IP: 104.16.189.138)
    >     Downloading main.cvd [100%]
    >     LibClamAV debug: Initialized 0.100.0 engine
    >     LibClamAV debug: in cli_cvdload()
    >     LibClamAV debug: MD5(.tar.gz) = 57462fd73f1cfdb356b9dca66da2b732
    >     LibClamAV debug: cli_versig: Decoded signature: 57462fd73f1cfdb356b9dca66da2b732
    >     LibClamAV debug: cli_versig: Digital signature is correct.
    >     LibClamAV debug: in cli_tgzload()
    >     LibClamAV debug: in cli_tgzload_cleanup()
    >     WARNING: [LibClamAV] cli_cvdload: Corrupted CVD header
    >     LibClamAV debug: Cleaning up phishcheck
    >     LibClamAV debug: Phishcheck cleaned up
    >     ERROR: Verification: Malformed database
    >     Querying main.0.91.0.0.6810BD8A.ping.clamav.net
    >     Giving up on db.local.clamav.net...
    >     Update failed. Your network may be down or none of the mirrors listed in /etc/freshclam.conf
    > is
    >     working. Check https://www.clamav.net/documents/official-mirror-faq for possible reasons.
    >
    >     NOTE: I just copied of the five tries for updating, they all show saw situation.
    >
    >     I am pointing to db.us.clamav.net as the country code.
    >
    >     Any idea how to resolve this?
    >
    >     Thanks,
    >
    >     Jay
    >
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    >
    >
    >     Help us build a comprehensive ClamAV guide:
    >     https://github.com/vrtadmin/clamav-faq
    >
    >     http://www.clamav.net/contact.html#ml
    >
    >
    > _______________________________________________
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    > clamav-users at lists.clamav.net
    > http://lists.clamav.net/cgi-bin/mailman/listinfo/clamav-users
    >
    >
    > Help us build a comprehensive ClamAV guide:
    > https://github.com/vrtadmin/clamav-faq
    >
    > http://www.clamav.net/contact.html#ml
    >
    
    
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