MultiPlug is a junkware virus that installs potentially unwanted programs (PUPs) and sometimes malware on victims’s PCs. In this case, “A quick look shows the PUP is digitally signed by ‘Open Source Developer, Sergei Ivanovich Drozdov,’ although the certificate has since been revoked by the issuer,” explained Josh Cannell, a researcher at Malwarebytes, in an analysis.
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