If you find that http:/searchvaults.com/ has become homepage and the default search engine, then most likely it means that your browsers are infected with SearchVaults Search hijacker. This attacks all browsers installed on your system, such as Chrome, Mozilla, IE, and others.
STOP Ransomware is a relatively new file encryptor, which distributed since the end of 2017. STOP shares many features DataKeeper and ANNABELLE Ransomware, for example, Advanced Encryption Standard (AES) or RSA-1024 encryption algorithm. The main problem for victims after infiltration by this virus is an impossibility to use, edit and save documents, photos, databases, archives and other files because all these files on PC become encrypted. Depending on the version of the virus, all encoded files get new suffixes: .STOPPED, .STOP, .SUSPENDED or .WAITING extension. Also, STOP Ransomware creates ransom notes in different folders, especially on the desktop.
AndreaGalli is a cryptographer-extortioner, coming to the user's PC unnoticed. After penetration, it encrypts user files of various formats, such as audio files, video, office documents, PDF files, archives and much more. This encrypts files using the AES algorithm, so decryption by own forces becomes almost impossible.
Search.pardessov.com, as well as Weknow.ac, Finfitnow.net etc is another example of a browser hijacker. Having been formally distributed on a legal basis, Search.pardessov.com can harm user's MacOS and stole users personal data without permission. Their personal data, like IP, Name, browsing history can be shown to affiliates and parent organizations
LanRan-2 is a cryptographer, extorting money from users. The virus has become the most active in the first half of July and was initially aimed at English-speaking users, but recently LanRan-2 infects users' computers across the globe. cryptovirus encrypts user files using AES algorithm. These files can be of various types, such as photos, videos and other media, archives, text documents and so on.