

In May 2017, PC Magazine gave the paid version of IObit Malware Fighter a 2 out of 5 star rating.IObit Malware Fighter received a 4 out of 5 star editors rating on CNET's.In March 2015, the commercial version of IObit Malware Fighter 3 received a negative review from PC Magazine, with the reviewer calling the product "useless".In December 2013, the paid version of IObit Malware Fighter received a 1 out of 5 star rating from Softpedia.In May 2013, IObit Malware Fighter received a "dismal" score, half a star out of five, for its paid version by PC Magazine.In November 2011, the free and paid versions of IObit Malware Fighter were reviewed by Bright Hub, in which the reviewer was unable to recommend the product, citing poor malware protection.It added new features, including Safe Box, and MBR Guard.

Among new features was an anti- ransomware component. In 2015, version 3 was released, and then, in 2016, version 4, which added the Bitdefender anti-virus engine in its commercial edition. In this version, IObit debuted their "cloud security" component, in which the user can upload a file to the cloud to determine whether it is malicious or not.
