clamav-unofficial-sigs command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

clamav-unofficial-sigs: command not found

or when using sudo you get the following error message

sudo: clamav-unofficial-sigs: command not found

Solutions to clamav-unofficial-sigs: command not found

How To Fix clamav-unofficial-sigs: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu clamav-unofficial-sigs is provided by clamav-unofficial-sigs package.

clamav-unofficial-sigs is:

This package provides a script for updating the following sources of 3rd-party clamav signatures until freshclamav gains support for such signatures.

The SaneSecurity/OITC signatures provide detection of phishing, spear phishing, fake lottery, ecard malware, casino, fake jobs, fake loans, 419s, fake diplomas, porn, emailed malware and other general spam.

MSRBL signatures provide detection of image spam and general spam.

SecuriteInfo signatures provide various badware signatures, securiteinfo.com honeypot signatures, honeynet.cz signatures and French anti-spam signatures

MalwarePatrol provides detection of mail containing URLs to malware.

To fix this problem, we can install more using the command below.

sudo apt-get -y install clamav-unofficial-sigs

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install clamav-unofficial-sigs.

sudo apt -y install clamav-unofficial-sigs

Or if you have aptitude installed you can use the following command.

sudo aptitude install clamav-unofficial-sigs

Summary

In this tutorial we learn how to fix clamav-unofficial-sigs command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.