I ran a virus scan and this is what it found:
/home/pamela/.clamtk/viruses/offer.html: Adware.Downware-1 FOUND
/home/pamela/.clamtk/viruses/feed.xml: Adware.Downware-1 FOUND
/home/pamela/.clamtk/viruses/xml[0]: Adware.Downware-1 FOUND
/home/pamela/.clamtk/viruses/offer_45[0]: Adware.Downware-1 FOUND
/home/pamela/.clamtk/viruses/installer_temp.html: Adware.Downware-1 FOUND
/home/pamela/.clamtk/viruses/installer.html: Adware.Downware-1 FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/0/C5/ED3F6d01: PUA.HTML.Infected.WebPage FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/4/6B/143E5d01: PUA.Script.Packed-1 FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/E/82/793B4d01: PUA.HTML.Infected.WebPage FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/C/08/6B3C6d01: PUA.HTML.Infected.WebPage FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/D/5C/B2BF6d01: PUA.Script.Packed-1 FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/D/42/F61D0d01: PUA.HTML.Infected.WebPage FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/D/E2/4BFD2d01: PUA.HTML.Infected.WebPage FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/D/DD/21FEFd01: PUA.Script.Packed-1 FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/3/78/11965d01: PUA.JS.Xored FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/5/86/24CA6d01: PUA.Script.Packed-2 FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/_CACHE_001_: PUA.Phishing.Bank FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/B/63/F81ADd01: PUA.HTML.Infected.WebPage FOUND
/home/pamela/.mozilla/firefox/kbnrflni.default/Cache/8/AF/C7EF8d01: PUA.HTML.Infected.WebPage FOUND
Are these real viruses? If I delete them, will my browser still work?