"I've received feedback from people who were just focusing on the question why other anti-virus companies would detect a clean file we uploaded. And I can only repeat as I did in the blog: This could have happened to us as well," Kalkuhl explained."
Well, he clearly says, the test was to expose the "negative effect of cheap static on-demand tests" and not that others copied from them, because this seems to be routine and they do the same.
"[0]https://www.theregister.co.uk/2010/02/10/kaspersky_malware_d...
"I've received feedback from people who were just focusing on the question why other anti-virus companies would detect a clean file we uploaded. And I can only repeat as I did in the blog: This could have happened to us as well," Kalkuhl explained."
Well, he clearly says, the test was to expose the "negative effect of cheap static on-demand tests" and not that others copied from them, because this seems to be routine and they do the same.