First, the downloaded official setup file "setup_chrispc_free_videotube_downloader_7_30.exe" (md5, 86b92abe9ddf61092283aa89abd39629) has been flagged as riskware. For details, see the following Virustotal files. 2nd, according to my test, the risky installer file offered the installation of RelevantKnowledge. Continue reading →