What is ‘PUP.Optional.MailRU ‘
PUP.Optional.MailRU is a potentially unwanted program that could installs in user’s browser as an additional plugin. It can enters in the targeted computer via cost free application download. Once get inside it will corrupt your security system hence your antivirus tool may not able to delete it and it will continue to do its malicious activities comfortably. PUP.Optional.MailRU throws a lot of intrusive pop-ups and sponsored links, clicking on such links takes users to unsafe domains where unknown files may start to download automatically. Thus, your computer can be loaded up lots of malicious files that will occupy all your available resources. Adding to that PUP.Optional.MailRU will drop cookies to collect important keywords and searched data to load up more precised advertisement and help third party to gain traffic for their sites. If you have also installed PUP.Optional.MailRU accidentally on your system then try the easy removal tool to completely remove this threat.