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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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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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ClamAV (in ClamTK) seems to scan my whitelisted items

As i run ClamAV (The ClamTK GUI) from my desktop shortcut, not in terminal, i have whitelisted a couple of folders to not to be scanned. These folders (my Music and Video Collections) and a couple of ....
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ClamAV: clamd.ctl file is not getting created on ubuntu

I have ubuntu 16.04.6 version and I'm trying to install & run the clamdscan on it to check for antiviruses. I've used the installation instructions as given in their website. ie. sudo apt-get ...
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I can't figure out how to update clamav OR run it [closed]

I just installed clamav, but it says it's out of date and to read some page full of gobbledygook to learn how to upgrade it. Gobbledygook isn't telling me anything. Then it says a whole bunch of ...
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When I completely remove ClamAV, ClamD stays behind

Also, it takes up 50% CPU a lot of the time on my small VPS, is that normal, and how do I remove clamd without just deleting it from usr/sbin etc?
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How to stop ClamAV/Clamscan from hogging the CPU/ draining the battery in Ubuntu 18.04?

I'm running Ubuntu 18.04 on a Lenovo X1 Carbon (i7/7th gen). The battery life has gone from awesome (6-9 hours) to appalling (<2 hours). Using top & sudo powertop I could see that the majority ...
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LibClamAV Warning “PCREs but support is disabled, skipping”

I've installed ClamAV from source by following the instructions here. When they start, freshclam and clamscan issue a bunch of lines like those lines : ... [LibClamAV] cli_loadldb: logical ...
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sudo freshclam failed — permission issue?

I am getting the following error while trying to manually run freshclam on Ubuntu 18.04, as super user (I already stopped the daemon as described in other questions). # sudo freshclam Wed May 22 07:...
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How much secure is to mount and immediately read and external device

I know that, up today, there are not known viruses to Linux, but... How much secure is to mount and immediately read the content of an external unit (USB pendrive or whatever). I'm talking about the ...
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ClamAV Anti-Virus not Classifying Virus Emails as Virus

I have installed Sendmail as my SMTP mail server, SpamAssassin as Spam Classifier and ClamAV Anti-Virus. I tested out sending my server a virus email eicar.txt Now I am receiving the virus email in my ...
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I got one infected file in ClamAV, now how can I remove it from my system? [duplicate]

----------- SCAN SUMMARY ----------- Known viruses: 6084851 Engine version: 0.100.2 Scanned directories: 84206 Scanned files: 514070 Infected files: 1 Total errors: 25755 Data scanned: 51375.23 MB ...
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Is there any value in using ClamAV to scan the entire filesystem and/or run as root?

I am setting up a headless server that'll be hosting SAMBA for my LAN and a web accessible website. ClamAV seems to be the defacto standard for Linux anti-virus. Most articles I read online talk ...
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error while loading shared libraries failed to map segment from shared object

Y9@Y9Acer:~$ clamd clamd: error while loading shared libraries: libz.so.1: failed to map segment from shared object Why is this error happening? And how can I fix this. Y9@Y9Acer:~$ ldd $(which ...
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Anti virus scan with ClamTK

I just started using Ubuntu 18.04.1 version and two days ago , I received an email from trusted source with 2 attachments and I downloaded those files on my desktop, files were encrypted and were ...
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What .swf file is clamscan complaining about?

When running # clamscan -ri "/home" >> "/var/log/clamav/clamav-2018-12-04.log" The output includes: LibClamAV info: scancws: Error decompressing SWF file. Scanning what was decompressed. ...
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Infected file found without further information in ClamAV scan. Any way to quickly see what it was?

My ClamAV was set up following this answer. I wanted to run it on the whole system, using clamscan -r /, and it told me: Infected files: 1 in the results, without any further information. It looks ...
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Text file does not open

Scanning via sudo date >> clam && clamscan -r -i --detect-pua --remove /home >> clam && date >> clam Returns a file that does not open Error message: ...
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ClamAV ./configure “configure: error: Your OpenSSL installation is misconfigured or missing”

When trying to install ClamAv, after entering ./configure, it prints a bunch of stuff to the terminal before printing the error message "configure: error: Your OpenSSL installation is misconfigured or ...
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need help with dpkg. (last edit)

-$ sudo apt install clamdscan --E: dpkg interrupted, you must manaually run 'sudo dpkg --configure -a' to correct the problem. $-sudo dpkg --configure -a dpkg: error: parsing file 'var/lib/dpkg/...
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Can I test a link with an antivirus before accessing it?

My problem is that I have to test a lot of links in order to check if it's safe to access the url and then check if the content is still working and I don't know how to do it with clamav. My question ...
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355 views

Wrong ClamAV update?

I have followed this steps to install ClamAV 1. sudo apt install clamav 2. sudo systemctl stop clamav-freshclam 3. sudo freshclam 4. sudo systemctl start clamav-freshclam But after step 3 I ...
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Freshclam - Unable to complete download of main.cvd

After installing Ubuntu 18.04 some weeks ago, I tried to install clamav, that I was effectively using in my previous Kubuntu 14.10 system. The first step of clamav installation went well, but when I ...
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Removing W32/Parite.B virus

I scanned one of my directory with clamscan and it showed that every .exe file is infected: .../file.exe: Heuristics.W32.Parite.B FOUND .../file2.exe: Heuristics.W32.Parite.B FOUND .../file3.exe: ...
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ClamAV unofficial sigs

Inside Synaptic Packages Manager, there is a clamav-unofficial-sigs app. Is it absolutely necessary to install it? If we have installed it, Is a good idea to uninstall it?
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Clamav with windows

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? E: Aborting install. when using --fix-missing. I did apt-get clean and tried to re install and it says aborting. ...
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How do I manually import the clamav virus definition file?

I would like to manually download the main.cvd for clamav and then import it from a local location. I see this is possible using clamav-clamfresh if I configure it to use DatabaseMirror machine1....
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How do I clean Ubuntu installation of Viruses / Miners?

So it appears our VPS is being hacked, I noticed websites running slow so I checked for processes using htop. There are various cpuminers present, getting processor to nearly 100% usage. I think hack ...
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Clamav can only open log file in specific directory

When running sudo freshclam -l /var/log/company/clamav/freshclam.log I get the error ERROR: Can't open /var/log/company/clamav/freshclam.log in append mode (check permissions!). ERROR: Problem with ...
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clamscan report virus for skypeforlinux Unix.Trojan.Mirai-5932143-0 FOUND

is there problem with SNAP? should i revert to apt-get instead? Tue May 29 16:56:56 +08 2018 freshclam update.... ClamAV update process started at Tue May 29 16:56:56 2018 WARNING: Your ClamAV ...
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Trying to delete clamav folders in Trash, but gettting error

I've looked through other methods for deleting files from Trash, but these clamav folders are being stubborn. Every time I try to delete in Trash folder or Konsole I get this error message: Could not ...
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463 views

What's causing this ClamAV error?

I'm using ClamAV within a script to scan a selection of directories. The command used is clamscan -ri "$dir". Recently I've encountered the following error message: LibClamAV Warning: SWF: declared ...
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ClamAV Updates - Daily Versus Main

Have an offline system with ClamAV. Receiving daily.cvd files. Are main.cvd updates a function of the daily? (enough dailies causes a main.cvd to be created) Or are main.cvds produced on a set ...
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Clamav detects Trojans

I have just scanned my system and clamav has detected a few suspect files: File: .cahe/mozilla/firefox/jqxk4r44.default/cache2/entries/750B6E2F1286.... Status: PUA.Win.Exploit.CVE_2012_1461-1 File: ....
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clamav 0.99.3+addedllvm-0ubuntu0.16.04.1 reports (Cannot connect to unix socket '/var/lib/clamav/clamd.socket': connect: No such file or directory)

Yesterday I updated from ClamAV 99.2 to ClamAV 99.3 (version shown in the subject). Since then I've had an issue where the clamd.socket file is not being created in /var/lib/clamav as it had in ...
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74 views

ClamTK and Encrypted Home Directory

I recently encrypted my home directory and since then I have realized Clam AV is not really scanning the file in my home directory. It is scanning the encrypted files. I am running the scan with the ...
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811 views

How can I update ClamAV to 0.99.3?

When I try to run freshclam it will return to me: WARNING: Your ClamAV installation is OUTDATED! WARNING: Local version: 0.99.2 Recommended version: 0.99.3 I'm running Ubuntu 16.04.
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Clamav eternal suffer to update the version

How to upgrade clamav? When I use: sudo apt-get update && sudo apt-get install clamav with update enabled for any new version or for long support it does not update the program. What can I ...
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42 views

Why clamav result is not showing all files/sub-files/subdirectories count

Here is my result: Known viruses: 6375266 Engine version: 0.99.2 Scanned directories: 7 Scanned files: 9 Infected files: 0 Data scanned: 119.98 MB Data read: 36.17 MB (ratio 3.32:1) Command I ...
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custom text format scan with clamAV like SSN

As Clam supports ssn & its specific format of 9 digits. Can we test any custom format via regex or any pattern matching technology to this.
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668 views

Getting rid of a virus

So I know Linux isn't supposed to get viruses, but it really looks like I have one. A tab popped in firefox saying an update was required and it wouldn't let me close it (it did not look like a ...
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Unix.Trojan.Mirai-5932143-0 FOUND

I am scanning Ubuntu 14.04 by clamav ~$ sudo clamscan --max-filesize=3999M --max-scansize=3999M --exclude-dir=/sys/* -i -r / /opt/google/chrome/chrome: Unix.Trojan.Mirai-5932143-0 FOUND I ...
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397 views

cli_scangpt: detected a non-protective MBR

I am running clamscan on my system with following command sudo clamscan --max-filesize=3999M --max-scansize=3999M --exclude-dir=/sys/* -i -r / received the message LibClamAV Warning: cli_scangpt: ...
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How to play a song when a virus is detected with clamav?

How to play a song when a virus is detected with clamav from command line ? A song and not a bell . For information I do this to scan with a bell : clamscan -r --bell -i /media Thanks,
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How to make ClamAV check every file I download automatically and display something noticeable if it contains something harmful?

Can I make ClamAV check files I download (using Chromium) automatically and display a popup or something noticeable if it is harmful? Or is there a better program for doing this?
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Problem updating ClamAv Definitions [duplicate]

My auto update of Clam Defs doesn't seem to be working and when I do sudo freshclam I get ERROR: /var/log/clamav/freshclam.log is locked by another process ERROR: Problem with internal logger (...
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258 views

Clamtk virus scan stopped working on Ubuntu16.04.3 and shows no files scanned?

Clamtk used to work but suddenly for no reason it stopped working on Ubuntu16.04.3. When I click a folder to scan it just shows "0 files scanned" and zero threats even though I have many files in the ...
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651 views

ClamAV detects Malware : Java.Malware.Agent-6203119-0 FOUND

My ClamAV daily scan is detecting Malware from apache-maven library location. So now I want to know if this is a false positive or a real alert. Can some one help me how to figure it out this? How ...
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404 views

Ubuntu Clamscan help

I ran sudo clamscan -i -r -v --remove=yes / and got a lot of known viruses, but I do not know how to delete them. Can anyone help?
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804 views

ClamTk not showing scan results and history

Whenever I use ClamTk to scan folders, it won't show list of infected files after scanning is completed. What it shows is just a total number of scanned files and number of infected files. How can I ...
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Clamav-base no archive found

Clamav-base must become reinstalled in 16.04. Cannot start synaptic package for this reason. anybody a solution?? Commands " sudo apt-get install clamav." does not work. The system returns with "...