Whitehole is being used to distribute a variant of a rootkit called ZeroAccess (or Sirefef) Its creators are renting its usage to other criminals for prices between US$200 and $1,800. Whitehole uses similar code to Blackhole, one of the most popular exploit toolkits used today. The most recent of these vulnerabilities, CVE-2013-0422, was patched by Oracle in Java 7 Update 11, released as an emergency update on Jan. 13 in response to drive-by download attacks.”]