Remove PortalUltra (Mac OS X) virus

If you are getting notifications from PortalUltra, then your Mac is infected with adware. PortalUltra is adware for Mac. PortalUltra changes setting in your Mac. First, PortalUltra installs a browser extension in your browser. Then, after PortalUltra hijacks your browser, it modifies settings in the browser. For example, it changes the default home page, modifies […]

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Remove Cat4er Ransomware virus

Cat4er ransomware is a file-encrypting virus that locks your personal files and personal documents. Cat4er ransomware requests bitcoin cryptocurrency to recover the encrypted files. The ransom charge varies from different versions of the Cat4er ransomware. Cat4er ransomware encrypts files on your computer and adds a string of unique characters to the extension of the encrypted

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Remove CESAR Ransomware virus

CESAR ransomware is a file-encrypting virus that locks your personal files and personal documents. CESAR ransomware requests bitcoin cryptocurrency to recover the encrypted files. The ransom charge varies from different versions of the CESAR ransomware. CESAR ransomware encrypts files on your computer and adds a string of unique characters to the extension of the encrypted

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