Maxthon Portable has tested clean.

The test for this file was completed on Oct 25, 2019. We used 28 different antivirus applications.
The antivirus programs we used to test this file indicated that it is free of malware, spyware, trojans, worms or other types of viruses.
Apart from antivirus software, this download has also been tested with several popular anti-malware and anti-spam services. Below are some services we have tested this program with:
The file that was tested for Maxthon Portable was maxthon_portable_5.3.8.2000.7z. These tests apply to Maxthon Portable 5.3.8.2000 which is the latest version last time we checked. According to our test on Oct 25, 2019, this program *is* a clean download and virus-free; it should be safe to run.
All tests were carried out on systems running both 64-bit Windows (x64) and 32-bit Windows (x86). These tests are only valid for the file corresponding with the md5 filehash specified.
All tests were carried out on systems running both 64-bit Windows (x64) and 32-bit Windows (x86). These tests are only valid for the file corresponding with the md5 filehash specified.
The virus and malware tests for Maxthon Portable are maintained by Tina de Pierre