”Virus” detected, that is the wrong word to use for sure, more like click bait detected.

Also, it was fixed the same day and as someone already mentioned, EOS a a very complex, just like any operating sysyetm and I am glad they are finding and fixing these issues before launch.

At least with EOS, if a major issue is found after launch it can be resolved without having to hardfork the chain unlike older protocols.