Questions tagged [clamav]

ClamAV (Clam anti-virus) is a suite of programs designed to detect malware, viruses, trojans, and other threats. It be run from the command line or as a daemon, and can integrate with mail servers to scan email attachments. It is open source and published under the GPL.

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ClamAV MD5 sum based whitelists (*.fp) don’t work in Ubuntu MATE 20.04.2

Trying to make ClamAV ignore several files. These are almost cryptocoin miners which I do use. Cryptocoin miners get flagged by most antivirus programs for they can be distributed as malware (using ...
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how do I upgrade clamav to the latest version

how do I upgrade clamav to the latest version? when I use sudo freshclam it shows me the version is outdated and it only updates the virus definitions. I tried searching for the way to do it, but didn'...
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can clamtk slow down ubuntu?

can clamtk with clamav slow down my ubuntu 20.10? I have clamtk and clamav both on this computer. I've noticed it is slower and I think it may be that I have both installed. Can you only work with ...
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ClamAV and UFW on 18.04

I have loaded ClamAV: Ubuntu 18.04. Ran it and it found a bunch of junk that was deleted. I also installed ClamTK. My question is if I activate UFW (would prefer the GUI version) will it cause a ...
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ClamAV: Unknown response from database.clamav.net

I have installed ClamAV 0.103 version. When I run the freshclam manually I get the following response: ClamAV update process started at Wed Mar 17 15:43:55 2021 daily.cld database is up to date (...
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location clamav's .cvd files?

I am trying to manually update ClamAV on a nas (non ubuntu based linux) for a friend, but i am not sure where to place the daily.cvd file. I installed it automatically through the system but for one ...
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Clamav gui for Ubuntu 20.10

I have read that Clamav has a GUI. Does anyone know where i can get Clamav with a GUI? I am running Ubuntu 20.10 Thanks
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Custom ClamAV signatures not working

I'm attempting to create some custom signatures for ClamAV for testing purposes. I create signatures like this: sigtool --md5 test.exe > test.hdb Next to test it I do: clamscan -d test.hdb test....
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What does the Clamtk network setting do?

As mentioned in the question, what does the network setting for clamtk do? It seems that it is not clearly documented in the clamav/clamtk documentations. I have basic knowledge of what is a IP ...
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Installing clamav?

I'm having a problem with ClamAV. First edited the config file, did that then it was "locked by another process". Then run freshclam and an error msg: ERROR: Can't create temporary directory ...
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trying to clamscan my drive, error in permissions

My computer's been slowing down. I want to scan it for viruses. I made a text file for a log as /home/user/Infected/clamscanlog I ran: clamscan -i -r --log=/$home/USER/Infected/clamscanlog and I get ...
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local server take time to update clamav db

I'm serveing cvd files from a local server, when I run freshclam on my server it take some runes until the daily.cvd is update even though the remote version was update a while ago. the clamav version ...
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How do I use ClamAV to scan my entire computer? [duplicate]

How do I use ClamAV to scan the entire computer? Im on Ubuntu 16.
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Cannot uninstall ClamAV from Ubuntu 18.04

I've been trying to use Ubuntu after being a long-time Windows user. So a few months back, one of the first things I've tried was installing the antivirus ClamAV. However, not being used to using ...
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clamav freshclam did not working

sudo freshclam output: ERROR: /var/log/clamav/freshclam.log is locked by another process ERROR: Problem with internal logger (UpdateLogFile = /var/log/clamav/freshclam.log). ERROR: initialize: ...
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Can’t open /var/../freshclam.log error when updating ClamAV's virus database

I get this when I want to update virus data: ERROR: Can’t open /var/log/clamav/freshclam.log in append mode (check permissions!). ERROR: Problem with internal logger (UpdateLogFile = /var/log/clamav/...
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infected ubuntu programs? [duplicate]

My ClamAV antivirus tells me that I have 2 potential threats in my cache. It lists them as PUA.Win.Tool.Packed-177 and PUA.Win.Trojan.Generic-688. Should I be concerned?
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How to offline update ClamAV database?

I did download ClamAv datebase and I want to offline update the signature database, as far as I surfed I could not find a solution and also in ClamTK, ClamAVs GUI there is no option for the offline ...
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clamscan /boot/System.map-5.0.0-32-generic: Access denied

I just installed and updated clamav. I am now running clamscan from the terminal for the boot directory. I keep receiving Access Denied errors for files within the boot directory. I'd like to scan my ...
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Does clamscan check the virus in the network devices?

clamscan -r / I consider this command scans all the file for the virus in my system. It takes a long time. Now I'm wondering whether it scans the network devices, which is automounted when I booted ...
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Installing ClamAV on Ubuntu 20.4 [duplicate]

I want to install clamav. I follow the community documentation by doing $ sudo apt-get install clamav After confirming with y, the following happens at the end of the installation process: Selecting ...
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Files are gone from drive after clamscan

I had this oopsie moment. A friend gave me a hard drive with some files and I wanted to scan these before copying them over to my computer. I opened the terminal and switched to the respective folder ...
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Why is debian-tor listed as a user for ClamAV/freshclam?

I recently experienced a surge in CPU usage and checked in on Task Manager and saw it was freshclam. The readout indicated that the user was debian-tor and PID=829. I checked /var/log/clamav/freshclam....
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Difficulty with updating ClamAV

As it says in the title, I am struggling to update ClamAV and I have traced the problem to the timeout settings in the freshclam.conf file. The timeout settings are at 30 seconds by default... except ...
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How to run software with system start

I have a problem to set run software with system start. I have ubuntu 20.04. I tried to insert these lines to etc/rc.local #!/bin/bash /usr/bin/clamonacc it doesn't work. Second try was to insert it ...
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Clamav - OnAccessMountPath & OnAccessPrevention

I would like to watch entire file system. In clamav config file system I have set OnAccessMountPath / However I would like to have blocking mode. According to documentation, it is not possible to use ...
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Kill this clamd process running from another user which I never know about

From HTOP Hi, there is a clamd process running from a user called "tcpdump" I google and found that it's not quite a real user, so I remove that user. However, this process still running and ...
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Unable to update CLAMAV and CLAMTK “Problem with internal logger” [duplicate]

I ran sudo freshclam to try to update ClamAV and ClamTK but I got this ERROR: Can't open /var/log/clamav/freshclam.log in append mode (check permissions!). ERROR: Problem with internal logger (...
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ClamAV is not Scanning

I've Updated freshclam, restarted the service, and tried reinstalling the daemon. It's not working. User@xxx:~$ clamscan -r / LibClamAV Error: hm_addhash_str: invalid hash ...
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what are the propose of “main.cvd”, “daily.cvd” and “bytecode.cvd” in Clamav?

Calmav has three type of virus databases, main.cvd, daily.cvd and bytecode.cvd. What are the deference of those? or what are the propose of those? which one is required?
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ClamAV, cannot update database, “cli_cvdverify: MD5 verification error” from debug

I have two issues regarding ClamAV for Ubuntu 18.04. Note: I originally posted the question at: https://answers.launchpad.net/ubuntu/+source/clamav/+question/691247 1) When trying to update the ...
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Ubuntu 18.04 LTS unattended-upgrade killed my mail

OK, I have Kolab 16 as my mail package on top of a fresh install of ubuntu 18.04 LTS. Kolab (v16) includes clamav, roundcubemail, postfix, amavis and some other bits to tie it all together. It's ...
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Can someone how to understand this clamAV debug report?

LibClamAV debug: ELF: ELF class 2 (64-bit) LibClamAV debug: ELF: Number of program headers: 6 LibClamAV debug: ELF: Number of sections: 38 LibClamAV debug: Matched signature for file type ZIP-SFX at ...
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Keep getting Error Message during System Updates

I've been getting the following Error Message, every time i update the System or any other installed App. Setting up clamav-daemon (0.102.2+dfsg-0ubuntu0.19.10.1) ... touch: cannot touch '/var/log/...
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Help in Using ClamAv

Hi guys I installed clamAV along with clamd. I ran this command sudo clamscan --infected --recursive /. My screen stuck with the attached screen since 4 hours. Help me to get with it.
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How do I install ClamAV without internet in Ubuntu 18.04.2

How i can install ClamAV offline in Ubuntu system as I know how to update the binaries but the problem here is the version got changed and I need to update the ClamAV version before updating the ...
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18.04 Clamav virus definitions don't install after a new install of Ubuntu

After installing Ubuntu 18.04 to its own drive on a dual booting high performance system (also Windows 10), I attempted to use Clamtk (home page) to scan drives. The result was an instant report of ...
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ubuntu clamav freshclam can't download main.cvd

I installed clamav on my ubuntu system and have been unable to get freshclam to download a database. Manually it produces the following errors: sudo freshclam Sun Mar 1 14:32:32 2020 -> ClamAV ...
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Clamav False Positive and Linux Viruses statistics

I use Ubuntu Studio 19.10. After to use Clamav (with Clamtk GUI) to scan my PC, I found a lot of LibreOffice files, macros mostly, which Clamav shows as "Possible dangerous threats". But, I guess it ...
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Ubuntu server 18.04: clamAV does not work due to missing /var/run/clamav/clamd.ctl

I have a problem with ubuntu server 18.04. I have clamAV installed that connects via unix socket domain /var/run/clamav/clamd.ctl. ClamAV works well for a while, then the file clamd.ctl disappears ...
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clamav shows twice in htop, takes a lot of memory and service has error but is running

When showing the status of clamav, I see the following clamav-daemon.service - Clam AntiVirus userspace daemon Loaded: loaded (/lib/systemd/system/clamav-daemon.service; enabled; vendor preset: ...
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Which folders should be scanned for viruses in Ubuntu?

I am using ClamAV to scan for viruses on my machine (Ubuntu 19.10). Are there specific folders that I should scan or should I pretty much scan everything under /?
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Clamav (ubuntu 18.04): unable to update database and start scan

I want to scan my computer for malicious files. I know viruses on Ubuntu 18.04, and other linux distros, are rare to none existent, but I want to be sure. I installed clamav with the normal sudo apt ...
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are infected files automatically quaranteened or removed in Clam TK?

after Clam TK scan I get this in report . How to quaranteen or delete files ? /home/joso/.config/libreoffice/4/user/basic/Standard/Module1.xba: PUA.Doc.Tool.LibreOfficeMacro-2 FOUND /home/joso/....
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Scheduled scan by ClamAv found viruses but did not quarantine them automatically

I have scheduled system scan at daily interval using ClamTk. It found some viruses but taken no action e.g., quarantine or delete. Is it possible that the antivirus quarantine them automatically? ...
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ClamAV finds infected files in ClamAV setup directory!

----------- SCAN SUMMARY ----------- Known viruses: 6565044 Engine version: 0.101.4 Scanned directories: 41221 Scanned files: 287903 Infected files: 49 Total errors: 6 Data scanned: 8857.80 MB Data ...
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Apparmor blocks freshclam

Apparmor blocks freshclam. audit: type=1400 audit(1574688195.159:67): apparmor="DENIED" operation="open" profile="/usr/bin/freshclam" name="/etc/ssl/openssl.cnf" pid=7119 comm="freshclam" ...
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Failed to start clamd.service: Unit clamd.service not found

I have installed clamav and it's affiliated files (and clamtk). However, I keep getting the error message: Failed to start clamd.service: Unit clamd.service not found. I get the error when I run ...
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Clamav-daemon on Ubuntu 16.04.6 LTS: Why is clamd socket file not created in /var/run/clamav?

On Ubuntu 18.04 server a socket file is created when starting clamav-daemon without problem. On an older server using the 16.04.6 LTS the socket file is just not created whatever I tried. Even I ...
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I think my server has become part of a botnet, but ClamAV can't find anything

I know virtually nothing about Ubuntu so please be gentle. Recently my server host has contacted me saying they suspect my server is part of a botnet, specifically one that probes TCP ports. They've ...

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