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technology/applications/clamav.md
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@ -4,9 +4,8 @@ os: linux
arch-wiki: https://wiki.archlinux.org/title/ClamAV arch-wiki: https://wiki.archlinux.org/title/ClamAV
website: https://www.clamav.net/ website: https://www.clamav.net/
--- ---
#refactor
# ClamAV # ClamAV
[Arch Wiki](https://wiki.archlinux.org/title/ClamAV)
Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic database updates. Because ClamAV's main use is on file/mail servers for [Windows](../windows/Windows.md) desktops, it primarily detects [Windows](../windows/Windows.md) viruses and malware with its built-in signatures. Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic database updates. Because ClamAV's main use is on file/mail servers for [Windows](../windows/Windows.md) desktops, it primarily detects [Windows](../windows/Windows.md) viruses and malware with its built-in signatures.
## Usage ## Usage
@ -27,8 +26,22 @@ Start/Enable`clamav-freshclam.service` so that the virus definitions are kept r
### Starting the daemon ### Starting the daemon
**Note:** > **Note:**
- You will need to run `freshclam` before starting the service for the first time or you will run into trouble/errors which will prevent ClamAV from starting correctly. > - You will need to run `freshclam` before starting the service for the first time or you will run into trouble/errors which will prevent ClamAV from starting correctly.
- The daemon is not needed if you only want to perform stand-alone scans. See [Scan for viruses](https://wiki.archlinux.org/title/ClamAV#Scan_for_viruses) below. > - The daemon is not needed if you only want to perform stand-alone scans.
The service is called `clamav-daemon.service`. The service is called `clamav-daemon.service`.
### Scanning for viruses
`clamscan` can be used to scan certain files, home directories, or an entire system:
```shell
clamscan myfile
clamscan --recursive --infected /home/archie
clamscan --recursive --infected --exclude-dir='^/sys|^/dev' /
```
If you would like `clamscan` to remove the infected file add to the command the `--remove` option, or you can use `--move=/dir` to quarantine them.
You may also want `clamscan` to scan larger files. In this case, append the options `--max-filesize=4000M` and `--max-scansize=4000M` to the command. '4000M' is the largest possible value, and may be lowered as necessary.
Using the `-l /path/to/file` option will print the `clamscan` logs to a text file for locating reported infections.