"Hand of Thief Trojan targets all common Linux distributions"

[John Hupp]

I understand that with a standard Ubuntu/Lubuntu installation not 
running Wine, it is believed that there are no active threats that would 
responsibly require resident anti-virus protection.

That may still be true today, but perhaps it won't be for too much 
longer.  See the last 3 paragraphs of this article:

http://www.crn.com/news/security/240160712/security-firms-warn-of-potential-banking-trojan-attacks.htm?cid=nl_sec