HTTP: RouterCSRF-B

Hi There,
one of our clients is using Avast anti-virus, when they are doing some activity they got the below error,
we’ve safely aborted connection on kmapp…com. Because it was infected with HTTP: RouterCSRF-B.
can you please guide us what is the cause of the error, is because of the site? network? or router?

Thanks and Regards
vara prasad

Read about it here: http://www.routercheck.com/csrf/

polonus