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Questions tagged [clamav]

ClamAV is an open source (GPL) antivirus engine designed for detecting Trojans, viruses, malware and other malicious threats.

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What Regex syntax is used to specify include/exclude for clamscan

I just installed clamav on my linux system. I intend to do a manual scan of the whole system from root (/). But there are directories I know should be skipped (e.g. /proc, /sys, /dev). The clamscan ...
Mike Lippert's user avatar
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ClamAV for streaming data

I have to ingest data in real time. It could be IoT data or event driven feed. For real time data/streaming data, can I use clamAV? All documentation points to a fact that clamAV scan file only.
adiideas's user avatar
1 vote
0 answers
108 views

Debian server getting spammed through

This server has been live for many years, however, recently it is under attack by spam. I have not been able to plug the hole they are using. It seems that the spam is using the sasl_username=clamav. ...
user150182's user avatar
3 votes
0 answers
520 views

What is CPUQuota PerSec and PerPeriod in systemd?

The manpage for systemd.resource-control says nothing about CPUQuotaPerSecUSec and little about CPUQuotaPeriodUSec. It says nothing either about being set with the value 'infinity', as it is in the ...
markling's user avatar
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0 answers
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Parse ClamAV scan file

I'm completely new to ClamAV I am setting up ClamAV on one laptop located behind VLAN and I don't have the option to monitor result. Still I need to know the result of the scan hence I decided to ...
susik's user avatar
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1 answer
210 views

Clamav-Daemon Does Not Write Pidfile

I am trying to configure Monit to monitor clamav-daemon. However, it appears that the /etc/init.d/clamav-daemon script does NOT actually write the pdifile to /var/run/clamav /etc/init.d/clamav-daemon:...
mjones's user avatar
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1 answer
654 views

CPU Limiting & kswapd0 Advice Saught

Through hours of testing, I have found that the nextcloud desktop sync client for ubuntu 20.04 (appimage or ppa) both seem to have a bug to where... if a common nextcloud file sync error occurs , ...
mjones's user avatar
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1 vote
1 answer
4k views

How to update an install of ClamAV on one VM that is offline after updating it on another VM that is online

The host OS Windows 10 and I it is running VirtualBox 6.1.12. Guest OS 1 (VM 1): Ubuntu 16.04 headless server: Network Setting: Adapter 1 attached to Bridged : Network Setting: Adapter 2 attached to ...
learning's user avatar
0 votes
2 answers
3k views

How can it be verified that ClamAV is detecting a particular malware?

I have ClamAV running and updating via Freshclam. How can it be determined if ClamAV's current signatures in daily.cvd are indeed detecting a particular malware item? A very similar question was found ...
Rich's user avatar
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2 answers
680 views

ClamAV exclude on some signature does not work

I use ClamAV with 3rd party signature. So, in order to exclude some virus signature from scanning, I followed the official documentation to add a new .ign2 file like below: cd /usr/local/share/clamav/ ...
Kalib Zen's user avatar
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Cryptic ClamAV results log file?

I installed ClamAV on LMDE4 and ran it using sudo clamscan -ir ./ | grep FOUND >> /home/user/Desktop/clamscan_results.txt The results file only contains the following: Binary file /bin/ntfsfix ...
david's user avatar
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1 vote
1 answer
2k views

Update virus definitions for a ClamAV Docker container

Does anyone know how to maintain a ClamAV container? Specifically, it's the ClamAV container included with MailCow, but I'd like to use Docker more broadly as well, so how can I keep something like ...
MJHd's user avatar
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0 votes
2 answers
3k views

Scanning streamed data with clamav

I am trying to come up with a command with which I can scan a file by streaming it via network interface. I have tried the following: telnet clamd.server.com 3310 STREAM PORT <some random ...
zozo6015's user avatar
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1 answer
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How to scan with clamscan files owned by other users without using root?

I've got clamav installed on a headless Debian server. It is not running a mail-server so I do not have clamd (clamav-daemon) running. The server has a Samba share (/data) that various Windows 7 and ...
IMTheNachoMan's user avatar
1 vote
1 answer
158 views

yum install clamtk says no package clamtk available

I've looked through the yum install no package available different answers and I haven't found an answer. I'm following a tutorial and it said to run sudo yum install clamtk However when I run that ...
FabricioG's user avatar
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1 answer
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Does clamd from clamav automatically scan the system by default?

I'm want to know this because i want to know if it's necessary to setup a cronjob with clamav or not.
gl00ten's user avatar
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1 answer
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amavis: [virus_name_to_spam_score] is empty when using certain clam database

I have a weird behavior regarding virus_name_to_spam_score. I’m using 2 custom Clamav DB. Here are the logs when using SaneSecurity where we can see that everything is working fine: Jun 12 10:57:53 ...
ca_maer's user avatar
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2 votes
0 answers
776 views

Does clamd scan memory during startup and/or restart?

I have an Ubuntu 14.04 using ClamAV to scan some files manually as part of some software. I have clamd running all the time and am using clamdscan to let it scan my files. Scanning the files is pretty ...
Thorsten Schöning's user avatar
0 votes
1 answer
1k views

upgrade ClamAV on CentOS: "Package clamav available, but not installed"

Hi I tried to upgrade ClamAV to latest version 099.2 (from 0.98.7). I ran: yum update clamav and I receive this message below and not sure what to do to have the upgrade done, thanks: Loaded ...
Alan Song's user avatar
3 votes
2 answers
2k views

How to hold session with ClamAV daemon?

I'm trying to connect to ClamAV daemon clamd on localhost 3310 port via telnet comand in terminal:telnet 127.0.0.1 3310 Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'. ...
elgolondrino's user avatar
0 votes
1 answer
202 views

ClamAV in Linux [closed]

I have idea to use ClamAV in GPU. There are papers related to it. But I need to know is there any implementations regarding this? Will it work out? If it is existing already, how to install it such ...
Vanns's user avatar
  • 187
7 votes
2 answers
11k views

Use ClamAV to scan large files

We have a Linux VM running Xubuntu with ClamAV installed. We would like to scan files larger than 4Gigs, using the clamscan command preferably. I can use the --max-filesize=x and --max-scansize=x ...
Huckleberry Finn's user avatar
1 vote
0 answers
476 views

ClamAV continous scan

I want ClamAV to continuously scan some folder in my computer; i was thinking something like extremely low priority scan of all files (background scan), and some high priority scan over created/...
Lesto's user avatar
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2 votes
0 answers
2k views

ClamAV shows errors found, but how to find out what they are?

Amazon includes clamav-0.98.4 in its AMI version 2014.09.1 so I installed it and gave it a try on one of my EC2 instances. After updating the definitions with freshclam, I've performed a scan with ...
Bas Peeters's user avatar
0 votes
1 answer
1k views

Disable Clamav / Amavis / SA in Postfix on Debian

I would like to disable Clamav / Amavis / SpamAssasin in Postfix on Debian Squeeze 6.0.8 as I have I outsourced my AV to other server. I tried commenting content_filter and receive_override_options ...
Kraken's user avatar
  • 161
6 votes
2 answers
10k views

Why ClamAV can't scan some files?

Whenever I try to execute a ClamAV scan on a file in many of my bin directories, it fails with a Can't open file or directory ERROR message. I know it's possible to get ClamdScan to scan the bin ...
TimeHorse's user avatar
  • 241
2 votes
1 answer
12k views

Email test deferred (mail transport unavailable) with ClamAV

I'm trying to set up a simple new mail server; when I send a test email to the server the email is getting hung up during delivery (user mapping is found) and the email is never found in /home/user/...
Brock Hensley's user avatar
2 votes
3 answers
6k views

How to open a clam antivirus database file

I want to read the contents of a .CVD file (Clam AV database file). How can I do this? I tried deleting the first 512 bytes of the file and then rename it to .tar.gz but it won't open.
Pouyan Izadi's user avatar