Cybercriminals have been spreading ransomware viruses on Windows-based computers for some time. These infections became popular in mid-2006 and continue to infect personal computers and extort money from their victims. Recently, security research began showing a rise in Android-based mobile ranso
AMBA is ransomware-type virus that targets Russian websites. After infiltrating the server, AMBA encrypts most files on the system and adds the .AMBA or .RROD extension to the name of each encrypted file. A text file ("ПРОЧТИ_МЕНЯ.txt") is then created that contains a message (in Russian) encourag
Petya is ransomware distributed via malicious e-mails containing Dropbox download links to applications which, when executed, will install Petya on victims' computers. Research shows that these e-mails mainly target human resources (HR) departments of various German companies. After system infiltr
KimcilWare ransomware targets websites using the Magento e-commerce platform (currently, it is not confirmed whether KimcilWare infects other platforms). During encryption, this ransomware adds a .kimcilware to each file stored on the server. Furthermore, it creates an index.html file containing a
KeRanger is ransomware-type malware that stealthily infiltrates systems and then encrypts stored files. Distributed via the Transmission BitTorrent client, KeRanger is the first ransomware that successfully works on the Mac OSX operating system. The software is open-source and, therefore, cy
This false error message pops-up when the system is infected with adware-type applications such as Games Desktop, MovieDea, and Desktop-play. All claim to provide various useful features that supposedly improve the Internet browsing experience, however, fake promises delivered by adwar
This fake error message is caused by various adware-type applications including MovieDea, Games Desktop, and Desktop-play. These apps claim to enhance the Internet browsing experience, however, these false claims are merely attempts to trick users to install. None provide the features
This error message contains text stating that the user's visited website is infected with malware. Although this warning may seem useful (helping to prevent computer infections), the statement is false. It is generated by rogue adware-type applications and users are unable to close it. The fake
This is an error message displayed by a deceptive adware-type application. Applications of this type usually infiltrate systems without users' permission. Although most of these apps claim to enhance the Internet browsing experience, they display unwanted ads, track Internet browsing activity, c
This error message is often encountered by users whose computers are infected with adware or potentially unwanted programs (PUPs). These applications claim to be legitimate by promising to deliver various useful features that will significantly improve the Internet browsing experience. These cla