Crack tools are a special kind of riskware. Riskware, in general, is a detection for items that are not strictly malicious, but pose some sort of risk for the user in another way.
The use of crack tools can have legal consequences in some countries and under some circumstances. This detection is aimed at crack tools that are used to pirate Steam games. Many times, this is altered versions of steam_api.dll.
Common infection method
Crack tools are often found on shady websites or by using torrents.
Malwarebytes can remove CrackTool.Agent.Steam without further user interaction. Should users wish to keep it, they can add the detections to the exclusions list. Here’s how to do it.