Smart Mac Tuneup is a rogue optimization program for Mac, that gets stuck in your system, consumes resources and displays annoying alerts and pop-ups about viruses and errors. It looks like a typical application of its kind but generates scan results filled with false positive detections and exaggerated amount of issues. Actually, Smart Mac Tuneup finds problems even on brand new Mac computers. Due to those facts, it is classified as a rogue or potentially unwanted application (PUP), and it is recommended to get rid of it. Smart Mac Tuneup runs on system startup and may not be removed in a regular way.
Aurora Ransomware (sometimes called OneKeyLocker Ransomware) is new crypto-virus, that started circulating the web since the end of May, 2018. The virus mostly aims Western countries, however, some versions were spread in Turkey. It uses DES algorithm to encode files and adds .aurora extension, after which it got its name. Since that, malware had multiple updates and modifications. Ransomware now also adds following extenions: .nano, .cryptoid, .peekaboo and .isolated. After encryption ransomware creates different text files (depending on version), containing ransom note with contact information and instructions.
Ouo.io is a bogus website, that is a part of a huge advertising network. It displays fake pages of Adobe Flash updates, streaming sites, download portals and claims to provide access to restricted content after allowing notifications. Push-notifications is a feature in modern browsers, that allows users to get announcements about important information from online newspapers, Youtube or social networks. This function is exploited by adware to push promotional information via this channel. If you see ads, pop-ups or notifications from Ouo.io, there is a high possibility of malware infection or browser's settings hijack.
Edchargina.pro is a tricky domain, that uses technical and psychological wiles to make users subscribe to its notifications via Google Chrome, Mozilla Firefox or Safari browsers. The website contains various phishing landing pages, that victims get redirected to from other resources they are visiting. Pages offer to click the "Allow" button, supposedly to get access to restricted content they were trying to download or watch. However, this is just useless intermediary page, that will offer to download fake Adobe Flash updates, adware apps or subscribe to site notifications. If users allow this, they will receive unwanted spam pop-ups in the right-bottom corner of the desktop. Also, a persistent module can be installed in browsers or directly in the system. This article contains step-by-step instructions to remove Edchargina.pro and get rid of ads, pop-ups and notifications in browsers.
Dharma virus, unlike similar types of ransomware, does not change desktop background, but creates README.txt or Document.txt.[firstname.lastname@example.org].zzzzz files and places them in each folder with compromised files. Text files contain message stating that users have to pay the ransom using Bitcoins and amount is approximately $300-$500 depending on ransomware version. The private decryption key is stored on a remote server, and there currently impossible to break the encryption of the latest version.