IMHO signature/heuristic-based detection techniques are always prone to error, and should be replaced with behaviour-based detection (and blocking). At the moment, I think a good firewall (on another known-clean machine - ideally running 100% open-source software) should be enough to detect any suspicious network traffic.
[1] http://forums.avg.com/us-en/avg-forums?sec=thread&act=show&i...
[2] http://stackoverflow.com/questions/22926360/malwarebytes-giv...
[3] http://forum.bitdefender.com/index.php?showtopic=45169
[4] http://board.flatassembler.net/topic.php?t=8154
[5] https://forum.avast.com/index.php?topic=152926.0
[6] https://forum.avast.com/index.php?topic=120578.0
[7] http://itsacleanmachine.blogspot.ca/2012/01/antivirus-anger....