The ESET Mirror Tool is the official utility for creating a local update repository. It downloads the latest detection engine modules directly from ESET servers onto your connected computer. Step 1: Download the Mirror Tool
It is recommended to create a new mirror/download new offline installers at least monthly to ensure protection against the newest threats. To make sure this works for you, let me know:
to create a local update repository. This is the only officially supported method for maintaining current modules in an air-gapped network. ESET Knowledgebase Requirements
If a malware infection has severely compromised a machine's network capabilities or internet access, an offline update allows you to arm the scanner with the latest definitions directly via a USB drive to clean the system. Prerequisites for Offline Updates eset smart security offline update
to choose where the update files will be saved (e.g., a USB drive). Enable HTTP Server
: Copy the contents of the output directory to the offline computer via a USB drive. 2. Configure the Offline Client Once you have the update files on the offline machine: Advanced Setup : Open ESET and press F5 . Update Profile : Go to Update > Profiles > Updates .
To stay protected, it is recommended to download and apply these updates at least once every 24 hours . The ESET Mirror Tool is the official utility
ESET will read the local directory on your USB drive, verify the signature files, and apply the updates to your system.
Once you have the update files on your USB drive, take the following steps on the isolated computer:
In the server field, enter the path to the folder on your USB drive where the extracted files live. For example, if your USB drive is assigned letter E: , enter: E:\ESET_Update (or file:///E:/ESET_Update depending on your specific ESET version version syntax requirements). Click to save the changes. Step 4: Execute the Update To make sure this works for you, let
Since you cannot download directly to the offline PC, you must first obtain the definitions elsewhere.
: Use the Command Prompt to run the MirrorTool.exe . Specify a folder for the updates (e.g., C:\mirror\out ).