Matrix is another ransomware-type malware, that can encrypt user documents, photos, music, video, archives and other types of personal files. Virus adds “.matrix” extension to all encrypted files. It also creates matrix-readme.rtf or Readme-Matrix.rtf files with message in Russian and English with instructions to pay the ransom. Developers of Matrix ransomware offers to contact them using following e-mail addresses: email@example.com, firstname.lastname@example.org or email@example.com and demand ransom of about $500 – $1500.
Spora Ransomware is file encryption virus possibly originating in Russia. It encrypts user files, documents, photos, videos using RSA encryption. Spora does not rename encrypted files. During the process virus generates private key, that, in turn, encrypted with AES encryption. Spora Ransomware is complex infection and certain efforts needed to break it encryption. Currently antivirus companies are unable to find decryption key, and the only way to restore files infected by Spora is backup.
ScanGuard is bogus security application, that uses unethical methods for distribution and monetization. It is not considered virus, but potentially unwanted application. It looks like modern security program, but does not provide trial version and shows security alerts, demanding payment for removal. In addition to that it installs search.scanguard.com (or ScanGuard Smart Search) as default search engine and homepage in Google Chrome, Mozilla Firefox and Internet Explorer.
Dharma virus is new variation of Crysis ransomware, and it uses asymmetric cryptography to encrypt user files (documents, music, photos, game files). If you see, that your filenames end on .dharma, .wallet, .zzzzz, .xtbl there is a great possibility you are infected with Dharma Ransomware.
InstallWizz is advertising plugin for Safari, Google Chrome, Mozilla Firefox. It shows ads in form of underlined keywords, pop-up ads or advertising banners. Ad units may lead to low-quality shopping sites or phishing landing pages. Malware targets Mac OS systems and browsers, that can work on Mac.