Remove J3ster Ransomware virus

J3ster ransomware is a file-encrypting virus that locks your personal files and personal documents. J3ster ransomware requests bitcoin cryptocurrency to recover the encrypted files. The ransom charge varies from different versions of the J3ster ransomware. J3ster ransomware encrypts files on your computer and adds a string of unique characters to the extension of the encrypted

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Remove SystemBoosterUpgrade (Mac OS X) virus

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

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