Semi-OT: Security advice, please

[Anne Wilson]

Chkrootkit runs every night on my server.  Normally there is no problem found.  
Today, though I saw these lines:

Searching for suspicious files and dirs, it may take a while... 
/usr/lib/.libgcrypt.so.11.hmac /usr/lib/firefox-3.0.15/.autoreg 
/usr/lib/.libfipscheck.so.1.1.0.hmac /usr/lib/.libfipscheck.so.1.hmac 
/usr/lib/qt-3.3/etc/settings/.qtrc.lock 
/usr/lib/qt-3.3/etc/settings/.qt_plugins_3.3rc.lock 
/usr/lib/qt-3.3/etc/settings/.kstylerc.lock /usr/lib/perl5/5.8.8/i386-linux-
thread-multi/.packlist /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-
multi/auto/DCOP/.packlist /usr/lib/gtk-2.0/immodules/.relocation-tag 
/lib/.libssl.so.0.9.8e.hmac /lib/.libcrypto.so.6.hmac 
/lib/.libcrypto.so.0.9.8e.hmac /lib/.libssl.so.6.hmac

Could these lines have been caused by crashing applications?  I had a runaway 
situation first thing this morning, possibly caused by not restarting some 
application affected by yesterday's updates, and it was so severe that I 
couldn't even find out which application was causing it.

Anne
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