ClamAV is an open-source antivirus engine for detecting trojans, viruses, malware & other malicious threats. This article will serve as an informative guide and give you a clear understanding of how to perform a silent installation of ClamAV from the command line using the MSI installer.
How to Install ClamAV Silently
ClamAV 32-bit Silent Install (MSI)
- Navigate to: https://github.com/Cisco-Talos/clamav/releases/latest
- Download the clamav-x.y.z.win.win32.msi to a folder created at (C:\Downloads)
- Open an Elevated Command Prompt by Right-Clicking on Command Prompt and select Run as Administrator
- Navigate to the C:\Downloads folder
- Enter the following command: MsiExec.exe /i clamav-x.y.z.win.win32.msi ALLUSERS=1 /qn
- Press Enter
After a few moments you will find ClamAV entries in the Installation Directory and Programs and Features in the Control Panel.
| Software Title: | ClamAV |
| Vendor: | Cisco Systems, Inc. |
| Architecture: | x86 |
| Installer Type: | MSI |
| Silent Install Switch: | MsiExec.exe /i clamav-x.y.z.win.win32.msi ALLUSERS=1 /qn |
| Silent Uninstall Switch: | MsiExec.exe /x clamav-x.y.z.win.win32.msi /qn |
| Repair Command: | MsiExec.exe /fa clamav-x.y.z.win.win32.msi /qn |
| Download Link: | ClamAV 32-bit Download |
| PowerShell Script: | ClamAV | PowerShell Script |
| Detection Script: | ClamAV | Custom Detection Script |
ClamAV 64-bit Silent Install (MSI)
- Navigate to: https://github.com/Cisco-Talos/clamav/releases/latest
- Download the clamav-x.y.z.win.x64.msi to a folder created at (C:\Downloads)
- Open an Elevated Command Prompt by Right-Clicking on Command Prompt and select Run as Administrator
- Navigate to the C:\Downloads folder
- Enter the following command: MsiExec.exe /i clamav-x.y.z.win.x64.msi ALLUSERS=1 /qn
- Press Enter
After a few moments you will find ClamAV entries in the Installation Directory and Programs and Features in the Control Panel.
| Software Title: | ClamAV |
| Vendor: | Cisco Systems, Inc. |
| Architecture: | x64 |
| Installer Type: | MSI |
| Silent Install Switch: | MsiExec.exe /i clamav-x.y.z.win.x64.msi ALLUSERS=1 /qn |
| Silent Uninstall Switch: | MsiExec.exe /x clamav-x.y.z.win.x64.msi /qn |
| Repair Command: | MsiExec.exe /fa clamav-x.y.z.win.x64.msi /qn |
| Download Link: | ClamAV 64-bit Download |
| PowerShell Script: | ClamAV | PowerShell Script |
| Detection Script: | ClamAV | Custom Detection Script |
The information above provides a quick overview of the software title, vendor, silent install, and silent uninstall switches. The download links provided take you directly to the vendors website. Continue reading if you are interested in additional details and configurations.
Additional Configurations
Create a ClamAV Installation Log File
The ClamAV installer offers the option to generate a log file during installation to assist with troubleshooting should any problems arise. You can use the following commands to create a verbose log file with details about the installation.
ClamAV Silent Install (MSI) with Logging
MsiExec.exe /i clamav-x.y.z.win.x64.msi ALLUSERS=1 /qn /L*v "%WINDIR%\Temp\ClamAV-Install.log" |
Change the ClamAV Default Installation Directory
You can also change the default installation directory by using the following command line parameters. In this example, I’m installing ClamAV to “C:\ClamAV”
MsiExec.exe /i clamav-x.y.z.win.x64.msi ALLUSERS=1 INSTALL_ROOT="C:\ClamAV" /qn |
How to Uninstall ClamAV Silently
Check out the following posts for a scripted solution:
- Open an Elevated Command Prompt by Right-Clicking on Command Prompt and select Run as Administrator
- Enter one of the following commands:
| Version | ClamAV Silent Uninstall String |
1.2.1 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010201} /qn |
1.2.0 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010200} /qn |
1.1.3 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010103} /qn |
1.1.2 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010102} /qn |
1.1.1 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010101} /qn |
1.1.0 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010100} /qn |
1.0.4 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010004} /qn |
1.0.3 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010003} /qn |
1.0.2 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010002} /qn |
1.0.1 | MsiExec.exe /x {D9F136C1-3691-47E3-9079-4FE9C9010001} /qn |
Always make sure to test everything in a development environment prior to implementing anything into production. The information in this article is provided “As Is” without warranty of any kind.