Malwarebytes is a security company developing antivirus solution. It offers some free products as well as shareware. The I know most for Malwarebyte, the first independent technology modules anti-malware, anti-ransomware, anti-exploit, and malicious website protection.

SoftwareLicenseFile SizeCategory
Malwarebytes AdwCleanerfreeware8 MBApps update list
Malwarebytes Anti-Malwarefreeware65 MBApps update list
Junkware Removal Toolfreeware2 MBApps update list