Release Notes: ImunifyAV(+) v.5.6

AV-major-release

We’re pleased to announce that a new version of ImunifyAV(+), version 5.6, is now available. The following features are new in the v.5.6 release:

New Default Settings for Malware Scanner
The new default settings for ImunifyAV’s Malware Scanner component set it to scan faster and use fewer resources.
Ubuntu 20 support
Eventually, Imunify360 supports Ubuntu 20 across all versions including Plesk, DirectAdmin and no panel (“stand-alone”) installation.

Let’s review the changes.

New Default Settings for Malware Scanner

Malware Scanner now has Rapid Scan enabled by default. This setting produces faster scans while using fewer server resources. This new default setting is applied to all new installations of ImunifyAV.

Other default Malware Scanner setting was also changed in this 5.6 release:

Binary (ELF) malware detection: On

Note: No current ImunifyAV installations are affected by these changes.

Ubuntu 20 support

Starting from version 5.6, Imunify360 supports the current version of the Ubuntu operating system. It can be installed in the following environments in just a few clicks:

	Ubuntu 20
Plesk
DirectAdmin
Stand-alone installation

The Imunify360 installation process remains the same.

Additional information

ImunifyAV v5.6 includes 40 tasks and 21 bug fixes.

Improvements

Slow malware scanner caused by ignored Rapid Scan config parameter (DEF-16075, DEF-16039, DEF-16041)

Bug Fixes

Deobfuscator enhancements (DEF-10585, DEF-14852, DEF-15460, DEF-15539, DEF-15550, DEF-15593, DEF-15608, DEF-15631, DEF-15642, DEF-15706, DEF-15709, DEF-15731, DEF-15760, DEF-15771, DEF-15779, DEF-15894, DEF-15913)
Malware Scanner detection algorithms improved. Minimized False Positives rate in logs and other threat-less files (DEF-15674)
Improved cleanup behavior, already cleaned files do not cause an issue (DEF-9160)
Fixed failed to start ImunifyAV on Ubuntu 20 (DEF-16207)

Internal records

Important tasks and issues linked to support tickets:

DEF-14341	Malware ignore patterns moved to /etc/sysconfig/imunify360/malware-filters-admin-conf/processed/ignored/av-admin-paths.txt
DEF-14766 DEF-15083 DEF-15119 DEF-15152 DEF-15209 DEF-15260 DEF-15273 DEF-15311 DEF-15327 DEF-15338 DEF-15350 DEF-15356 DEF-15403 DEF-15422 DEF-15435 DEF-15469 DEF-15589 DEF-15609	Deobfuscator enhancement
DEF-14574	Improved cleanup resolves the cleanup failure for files from different scans
DEF-15320	Change default systemd watchdog timeout to 60 sec
DEF-15423 DEF-15426 DEF-15433	Removed leftover cron jobs on uninstall

Stay in touch

Please give our product team feedback on this version 5.6 release, or share your ideas and feature requests via feedback@imunify360.com.

If you encounter any problems with this release, please send a comment or request to our Imunify support team via cloudlinux.zendesk.com.

How to install

To install the new ImunifyAV(+) v.5.6, follow the instructions in the documentation.

How to upgrade

If you want to upgrade to the new ImunifyAV(+) version 5.6 right now, you can run the following commands:

wget https://repo.imunify360.cloudlinux.com/defence360/imunify-force-update.sh -O imunify-force-update.sh
bash imunify-force-update.sh

For the regular and safe update with a gradual rollout.

CentOS/CloudLinux systems:

yum update imunify-antivirus

Ubuntu 16.04, 18.04, and 20.04 systems:

apt-get update
apt-get install --only-upgrade imunify-antivirus

Debian 9 and 10 systems:

apt-get update
apt-get install --only-upgrade imunify-antivirus