Data recovery after virus attack. How to restore hidden and missing files

There are many viruses in the online world today that cause the tremendous problems of missing and hidden data. This problem is caused by a special type of malware that is referred to as fake hard drive defragmenter, also known as fake HDD. In other words, there are viruses that presents themselves as fake system optimization utilities and try to steal funds from users. As examples we think of File Restore, File Recovery, Data Recovery and many other similar malwares. File Restore, by the way, is the latest example of Fake HDD tool.