Searching for "cracked" or "patched" software is a common way users accidentally invite actual malware into their systems. While Malwarebytes is a top-tier security tool, the version you mentioned (4.5.9.285) is quite old, as the software is now well into version 5.0 and beyond.
If you need high-level security without the price tag, consider these safer alternatives: Malwarebytes Anti-Malware Premium 4.5.9.285 Cra...
To run the crack, the user is often told to disable their existing antivirus because of a "false positive." Searching for "cracked" or "patched" software is a
Even official platforms have risks; for example, the Malwarebytes forum was breached in 2014, exposing member records. Using unofficial "cracked" sites significantly increases your chance of being "pwned." A Better Way to Get Protection exposing member records.
If you’re interested in the "story" of how security software interacts with these "cracks," there is a classic irony in the cybersecurity world. The Trojan Horse Trap