clamav-data software package provides virtual package provided by clamav-freshclam, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install clamav-data
clamav-data is installed in your system.
Make ensure the clamav-data package were installed using the commands given below,
$ sudo dpkg-query -l | grep clamav-data*
You will get with clamav-data package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Virtual packages |
| Package | clamav-data |
| Version | |
| Description | virtual package provided by clamav-freshclam |
| Sub Section | virtual |