The Avast popup may be triggered by BCMUPnP_Hunter botnet, Mirai, Torii, VPNFilter, and other botnets or related malicious files. Nevertheless, the Botnet Blacklist virus name can also indicate that the security program encountered malicious behavior and blocked a threat. Therefore, the botnet:blacklist detection may be a false positive due to the recent changes in virus definitions or Behavior Shield, Web Shield, or Network Shield improvements. Note that Avast (like most reputable AV tools) release software updates twice a week. Based on people's reports, they have been using these torrent sites for years and no problems have been registered up till now. However, people have started reporting the Botnet Blacklist Avast virus on July 1st on Reddit forum indicating that the AV engine detected malicious behavior when trying to connect uTorrent, BitTorrent, QBittorent, and other torrent sites. At the moment it's not yet clear whether the detection is genuine and relates to a malicious file used to hijack PC and connect it to a botnet, so users should be cautious and take precautionary measures to protect their machines. re:botnet:blacklist or botnet:blacklist, is a malware detection name delivered by Avast anti-virus solution. What is Botnet:Blacklist Avast Virus? Botnet Blacklist is the detection result brought by Avast AV engine when users attempt to connect to torrent sitesīotnet Blacklist is an Avast detection, which may signal wrong virus definitions or malicious software trying to enter the systemīotnet Blacklist, a.k.a.

Avast url blacklist source