Win32:InstalleRex-BO [PUP] is tagged as a nasty Trojan or adware which belongs to the group of PUP.Optional. Risky as the virus is, it can slip into targeted machine stealthily without seeking the approval of user. Typically this adware threat is distributed through unsafe websites, junk email attachments, spam email messages, free application downloads, and so on. You should attach more attention when dealing with similar activities online.
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