rootkit in a package

[csj <csj@subdimension.com>]

alpha:~# chkrootkit | grep Sharpe
Searching for RH-Sharpe's default files... Possible RH-Sharpe's rootkit installed
alpha:~# apt-get remove --purge slice
Reading Package Lists... Done
Building Dependency Tree... Done
The following packages will be REMOVED:
  slice*
0 packages upgraded, 0 newly installed, 1 to remove and 3  not upgraded.
Need to get 0B of archives. After unpacking 98.3kB will be freed.
Do you want to continue? [Y/n] y
Reading changelogs... Done
(Reading database ... 92734 files and directories currently installed.)
Removing slice ...
alpha:~# chkrootkit | grep Sharpe
Searching for RH-Sharpe's default files... nothing found