I also cannot load 'dazuko' which the auto-scan requires in KlamAV in Kubuntu 7.04.  I had this issue also in Edgy, and Dapper.  Here is the output of the dpkg -l linux* command:

-desktop:~$ dpkg -l linux*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name                          Version                       Description
+++-=============================-=============================-==========================================================================
un  linux-boot-loader             <none>                        (no description available)
un  linux-doc-2.6.20              <none>                        (no description available)
ii  linux-generic                 2.6.20.16.28.1                Complete Generic Linux kernel
un  linux-headers                 <none>                        (no description available)
un  linux-headers-2.6             <none>                        (no description available)
pn  linux-headers-2.6.20-12       <none>                        (no description available)
pn  linux-headers-2.6.20-12-gener <none>                        (no description available)
pn  linux-headers-2.6.20-13       <none>                        (no description available)
pn  linux-headers-2.6.20-13-gener <none>                        (no description available)
pn  linux-headers-2.6.20-14       <none>                        (no description available)
pn  linux-headers-2.6.20-14-gener <none>                        (no description available)
pn  linux-headers-2.6.20-15       <none>                        (no description available)
pn  linux-headers-2.6.20-15-gener <none>                        (no description available)
ii  linux-headers-2.6.20-16       2.6.20-16.29                  Header files related to Linux kernel version 2.6.20
ii  linux-headers-2.6.20-16-gener 2.6.20-16.29                  Linux kernel headers for version 2.6.20 on x86/x86_64
ii  linux-headers-2.6.20-9        2.6.20-9.16                   Header files related to Linux kernel version 2.6.20
ii  linux-headers-2.6.20-9-generi 2.6.20-9.16                   Linux kernel headers for version 2.6.20 on x86/x86_64
ii  linux-headers-generic         2.6.20.16.28.1                Generic Linux kernel headers
un  linux-image                   <none>                        (no description available)
un  linux-image-2.6               <none>                        (no description available)
ii  linux-image-2.6.20-12-generic 2.6.20-12.20                  Linux kernel image for version 2.6.20 on x86/x86_64
ii  linux-image-2.6.20-13-generic 2.6.20-13.21                  Linux kernel image for version 2.6.20 on x86/x86_64
ii  linux-image-2.6.20-14-generic 2.6.20-14.22                  Linux kernel image for version 2.6.20 on x86/x86_64
ii  linux-image-2.6.20-15-generic 2.6.20-15.27                  Linux kernel image for version 2.6.20 on x86/x86_64
ii  linux-image-2.6.20-16-generic 2.6.20-16.29                  Linux kernel image for version 2.6.20 on x86/x86_64
ii  linux-image-2.6.20-9-generic  2.6.20-9.16                   Linux kernel image for version 2.6.20 on x86/x86_64
ii  linux-image-generic           2.6.20.16.28.1                Generic Linux kernel image
un  linux-initramfs-tool          <none>                        (no description available)
un  linux-kernel-headers          <none>                        (no description available)
un  linux-kernel-log-daemon       <none>                        (no description available)
ii  linux-libc-dev                2.6.20-16.29                  Linux Kernel Headers for development
ii  linux-restricted-modules-2.6. 2.6.20.3-12.11                Non-free Linux 2.6.20 modules on x86/x86_64
ii  linux-restricted-modules-2.6. 2.6.20.4-13.14                Non-free Linux 2.6.20 modules on x86/x86_64
ii  linux-restricted-modules-2.6. 2.6.20.5-14.19                Non-free Linux 2.6.20 modules on x86/x86_64
ii  linux-restricted-modules-2.6. 2.6.20.5-15.20                Non-free Linux 2.6.20 modules on x86/x86_64
ii  linux-restricted-modules-2.6. 2.6.20.5-16.29                Non-free Linux 2.6.20 modules on x86/x86_64
ii  linux-restricted-modules-2.6. 2.6.20.2-9.8                  Non-free Linux 2.6.20 modules on x86/x86_64
ii  linux-restricted-modules-comm 2.6.20.5-16.29                Non-free Linux 2.6.20 modules helper script
ii  linux-restricted-modules-gene 2.6.20.16.28.1                Restricted Linux modules for generic kernels
ii  linux-sound-base              1.0.13-3ubuntu1               base package for ALSA and OSS sound systems
ii  linux-source                  2.6.20.16.28.1                Linux kernel source with Ubuntu patches
un  linux-source-2.6              <none>                        (no description available)
ii  linux-source-2.6.20           2.6.20-16.29                  Linux kernel source for version 2.6.20 with Ubuntu patches
un  linuxprinting.org-ppds        <none>                        (no description available)