I checked some q2a sites from the directory. When I surfed to http://mathhomeworkanswers.org (which seems to be the most famous site, #1) I got Avast Antivirus telling me "Trojan horse blocked" with these details:
Infection: JS:Iframe-CSU [Trj]
Can somebody confirm? And is this a false positive? Or did somebody hack this site?
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.