Microsoft Decryptor ransomware is crypto-virus, that uses asymmetric RSA-4096 encryption algorithm to encrypt important files on users machine. It is basically updated version of CryptXXX and UltraCrypter ransomware. Virus demands a ransom of 1.2 BitCoins (~$646) to decrypt files and if ransom is not paid within 96 hours, the amount doubles to 2.4 BitCoins. Microsoft Decryptor does not modify encrypted files names and creates 3 files (README.txt, README.bmp, and README.html) in every affected folder. README.bmp is then used to change desktop background.
ArcadeSauce - is a program that comes to the computer in the form of an extension to the browser. ArcadeSauce constantly displays banner ads and coupons that are popular online shopping. ArcadeSauce comes to the computer without the user's consent, complete with free programs. Many users perceive ArcadeSauce as a useful program. It is not so. ArcadeSauce is a potentially unwanted program.
Stack Player is adware (advertising software) that allows users to watch online videos using desktop application. Software allows you to search, play and save videos from online resources using window in the right-bottom corner of your screen. Unfortunately, Stack Player also tracks online user activity and displays ads based on user behavior on different websites and inside Google search. It also installs without user permission along with freeware.
Smokyashan is a program that comes to the computer in the form of an extension to the browser. Smokyashan hijacks popular browsers such as Google Chrome, Mozilla Firefox and Internet Explorer. This potentially unwanted program, which comes without the user's knowledge, complete with free programs. Smokyashan distributes promotional content. This program displays the banners and coupons, as well as pop-up advertising content. This advertising may refer to the popular Internet sites and online shops. Smokyashan shows the most "best" offer. In fact, most offers are false.
Shelfsick - is a program that comes to your computer in the form of an extension to the browser. Shelfsick can hijack the popular browsers such as Google Chrome, Mozilla Firefox and Internet Explorer. The main objective in Shelfsick - is to promote the products and services of partner sites and companies. Once it infects a computer, it displays the countless banners, coupons, pop-ups and stuff.