The company hasn't yet said when it expects the tool to be made available.
The updates patch four vulnerabilities that could lead to arbitrary code execution.
April's Patch Tuesday update delivers six bulletins -- including a critical fix for a core flaw that affects a long list of Microsoft applications.
The majority of the infected computers are located in the U.S. and Canada, according to Doctor Web.
Six of the vulnerabilities are identified as high severity flaws.
The flaw in the ASA Series Adaptive Security Appliances could be used to execute arbitrary code.