which link have you used from the op?
gonna check it again, though for it to be "true find" it would require that you havent downloaded,browsed, inserted...anything in your pc in that 5-days period since the last av scan...additionally, keep in mind that some of the host-sites, if you arent cautious enough, could try to injects/open some malicious scripts in your browser, so it could be the source of the infection also....
EDIT.
and to put an end to that"alarming" here is a
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.
it seems you will have to look for the source of that trojan infection elsewhere