How to Install and Use Linux Malware Detect (LMD) with ClamAV as Antivirus Engine

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Gabriel Cánepa

Gabriel Cánepa is a GNU/Linux sysadmin and web developer from Villa Mercedes, San Luis, Argentina. He works for a worldwide leading consumer product company and takes great pleasure in using FOSS tools to increase productivity in all areas of his daily work.

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117 Responses

  1. Armin says:

    Thank you for this article.

    Since the last update of this article is on Feb 2015, I wonder if this is still an updated and applicable solutions or there are more recent methods to obtain security?

  2. Danilo says:

    Hello!! no matter what i try, i alway get this “Failed to enable unit: No such file or directory” message, which didn’t seem like a big thing, but then when i try to run maldet i get the error “bash: maldet: Comando não encontrado…” which is in Portuguese (i’m Brazilian), but it means “Command not Found“.

    Any ideas how to solve this ? (clamav is installed)

    [[email protected] maldetect-1.6.2]# ./
    Failed to enable unit: No such file or directory
    Linux Malware Detect v1.6
    (C) 2002-2017, R-fx Networks
    (C) 2017, Ryan MacDonald
    This program may be freely redistributed under the terms of the GNU GPL

    installation completed to /usr/local/maldetect
    config file: /usr/local/maldetect/conf.maldet
    exec file: /usr/local/maldetect/maldet
    exec link: /usr/local/sbin/maldet
    exec link: /usr/local/sbin/lmd
    cron.daily: /etc/cron.daily/maldet
    imported config options from /usr/local/maldetect.last/conf.maldet
    maldet(30589): {sigup} performing signature update check…
    maldet(30589): {sigup} local signature set is version 2017070716978
    maldet(30589): {sigup} new signature set (201708255569) available
    maldet(30589): {sigup} downloading
    maldet(30589): {sigup} downloading
    maldet(30589): {sigup} verified md5sum of maldet-sigpack.tgz
    maldet(30589): {sigup} unpacked and installed maldet-sigpack.tgz
    maldet(30589): {sigup} verified md5sum of maldet-clean.tgz
    maldet(30589): {sigup} unpacked and installed maldet-clean.tgz
    maldet(30589): {sigup} signature set update completed
    maldet(30589): {sigup} 15218 signatures (12485 MD5 | 1954 HEX | 779 YARA | 0 USER)

    [[email protected] maldetect-1.6.2]# maldet
    bash: maldet: Comando não encontrado…
    [[email protected] maldetect-1.6.2]#

    • Ravi Saive says:

      I think the “ed” package wasn’t installed by default and I thought that this must be a bug or an error. Try to install ‘ed’ package as shown.

      For Debian based distro’s:

      # apt-get install ed

      For Red Hat based distro’s:

      # yum install ed
  3. Don Everly says:

    So you install a package outside of the repo without any integrity checking, for malware detection ?

  4. Armin says:

    When I scan eicar test files using clamscan command it finds viruses but when I use lmd –scan-all it doesn’t find anything!! I tried clamav_scan=0 and 1 in conf.maldet.

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