Browser Forensics Analysis is a separate, large area of expertise.
Web browsers are used in mobile devices, tablets, netbooks, desktops, etc., and often can be used not just for web surfing, but for navigation through the file system of the device. The web browser’s cache can contain downloaded images, videos, documents, executable files and scripts. Web browsers also can contain data entered into forms: search queries, logins and passwords for web email accounts, social networks, other web sites and financial information (for example, credit card numbers). Favorites and searches can give the researcher an idea of the device owner’s interests.
A huge number of new viruses appear every year in the world, some of which cause notable harm not only to ordinary people, but also to large firms. About 90 million new viruses were created in the world in 2017, and about 300,000 are created daily.
The problem of data recovery after ransomware that encrypts files has increased, with more and more cases recently. Help in these cases is not a trivial task.
Let’s consider some sides of this problem. Ransomware usually encrypts the most-used data such as photos, videos, office files, databases, etс. Ransomwares can give different extensions to encrypted data; they are considered as a same mechanism that uses similar algorithms.