IObit Malware Fighter 13.0.0.158 is available free of charge on Download Basket.
Users write reviews stating that this tool has these benefits: this tool has a cool user interface, is trouble-free, is really fast, has a great price, detects malware, is frequently updated, is reliable, is very easy to understand, has good support, is light on resources and offers quick download. Many users note that the weak point of this tool is: there are ads everytime.
The alternative title of this program is "IObit Malware Fighter Beta". These filenames are among the most common for the tool: IMF.exe, AutoUpdate.exe, bak.IMF.exe, bak.IMFsrv.exe and IMF-36FEAEE06BF2A8F3C5BCFE75F227EBC03D5D2BEA.exe.
Notice that it can be launched on the following OSs: Windows 2000/XP/XP Professional/Vista/7/8/10/11 32-bit. The built-in antivirus system reports that the downloadable file is virus free. The most popular versions of the software are 6.3, 6.2 and 6.0. Please note that it is created by IObit.

this is an excellent security product, IMHO