This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects a fake antivirus scan page that displays false virus scan results.
Malicious toolkits contain various exploits bundled into a single package. Victims on visiting the malicious server hosting exploit toolkit is attacked with several different exploits exploiting different vulnerabilities one by one. Exploits may include MDAC, PDF, HCP etc.