Idkfa[1], Vundo-coincidence Or ... I keep getting these threats everytime I come here.

[kudmus 0]

Is it by coinsidence that everytime I visit the forums AVG tells me of idkfa[1] and sometimes Vundo? Today I never met these things for the 9hrs I've been on the machine but as soon as I went online pop "threat detected". The file is found in a folder under Temporary internet files\content.IE5\...\idkfa{1} the funny thing about it is that if u dont type in the path in the address bar u wont see any folder, even the Temporary Internet Files. Does anone know how to get rid of this thing?