File extension .NDB
Full Name | Developer | Category |
---|---|---|
ClamAV Extended Signature Format | Sourcefire | Data Files |
The NDB ( NDB) file extension is an extended signature file used within the ClamAV antivirus software. It holds information about viruses, instability warnings, and instructions about how to counteract them. This specialized file extension is essentially a set of signatures of malicious programs which can be detected by the software. It helps keep one's computer secure by preventing attacks from malicious viruses, worms, and Trojans.
Technical Details
The NDB format itself functions by having pre-defined commands that specify the operation to be used for data extraction. Within the file, these signatures are loaded onto the disk and then by using a fingerprint scanner allow the software to locate viruses trying to infiltrate one’s computer. The NDB extension is contained in a specially encoded format as are all extended signature files for ClamAV; this ensures a stable user experience with no unknown errors or administrator input needed for usage.
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Similar File Extensions
The resolution of extended signature files for ClamAV follows a standard that contains three types: CVD, CDB, and NDB. These files provide data within information-containing software that can detect security threats such as worms, viruses, and Trojans.
Programs for WINDOWS system
Programs for MAC system
Programs for LINUX system
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .NDB) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .NDB extension.
When choosing the software we can select the system to use this software every time.
Remember!
Using it for the first time it is good to check whether the .NDB file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .NDB extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .NDB extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .NDB file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .NDB file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.
In the vast majority of cases you will find the program dedicated to support the .NDB file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .NDB file) will be extended to the maximum.
It is also good to check
- if the .NDB file has no errors
- or if it has been copied (or downloaded by the browser) thoroughly
Author’s guidelines

Mr B. Adam
Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.
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