Avast Network shield detects avtracker as URL:Mal
Avtrackers are a way of malversants to protect their malware (bots) against detection.
See:
http://www.exposedbotnets.com/2012/05/anti-zs-spyeyes-tracker-htaccess.htmlwith a.o. Joebox and GFI sandbox and many others...
IDS Suricata/w Emerging Threatys Severity Alert
2012-07-03 14:21:53 212.63.206.51 urlQuery Client 3 ET RBN Known Russian Business Network IP (166)
These are the actions of the av tracker, re:
http://honeyblog.org/archives/37-AV-Tracker.html link article author Thorsten Holz
Armed with up-to-date information about these automated scanning services,
malversants could instruct their creations to quit loading or destroy themselves
if they detect they are being downloaded by one of these services.
Avtracker was developed by an Austrian blackhat that turned against the av industry where he once was employed
Avast networkshield detects and blocks: htxp://avtracker.info/ & htxp://avtracker.info/tracker.php?ip=216.245.222.15 & hxtp://avtracker.info/tracker.php?ip=72.64.146.112 and various others...
Not many detect this:
https://www.virustotal.com/url/239d370f762866af32ecfe203bff8578854b9bf4f947c68d08d017ef375b5750/analysis/polonus