Yourtv.link is malign website, that acts like search engine and news site. It replaces default search engine and homepage in browsers (Google Chrome, Mozilla Firefox and Internet Explorer). Upper part of the webpage contains search box from Google Custom Search and advertising banner. Lower part contains news articles from tvrage.com website. Along with modifying browser settings, Yourtv.link hijacks browser shortcuts on the desktop.
Zepto is new file-encrypting virus, previously known as Locky ransomware. Virus uses AES-256 algorithm to encrypt your files. Zepto encrypts following file types: documents, images, game files, e-mails. Ransomware adds extension .zepto to every encrypted file and also creates file "_{random number}_HELP_instructions.html", and in this file hackers give instructions to pay the ransom and decrypt files. Threat also modifies name of the affected files with hexadecimal chars, making it difficult to understand where certain files are.
Navsmart.info is fatuous search engine, that installs in Google Chrome, Mozilla Firefox and Internet Explorer. It substitutes browsers settings in this browsers, especially search engine and homepage. Even after complete removal of Navsmart.info users may see this page opening in new tab. This happens, because hijacker replaces or modifies browser shortcut on the desktop, by adding Navsmart.info URL in the Target field in browser options.
Search.ozipcompression.com is search engine that is installed by potentially unwanted program called OZIP. OZIP is free zip-archiver with a simple interface and basic set of functions. It does not have any advantages in comparison to WinRAR or WinZIP or 7-zip programs. It was created, to distribute Search.ozipcompression.com hijacker and earn on user clicks on ads inside this search engine. Search.ozipcompression.com sets as default search engine and homepage and may also hijack browser shortcuts.
