You can check the latest ransomware information.
[Exx ransomware]
[Virus/malware activity reported: Exx ransomware]
In response to a breach believed to be in the form of Exx ransomware, 
  we would like to confirm the situation and provide a warning as follows.
Exx ransomware
The ransomware is called Exx and appears to be changing all files with the extension filename.exx.
How it works
file version
 

[Figure 1 File version]
 
 

[Figure 2 File properties]
behavioral process
Register startup program
Registers the ransomware file in the startup registry so that it runs again when Windows starts.
 

[Figure 3 Startup program registration]
 
Check and delete shadow copies
 

[Figure 4 Check and delete shadow copies]
 
Infection results
The information file is created in each folder with the name HELP_RESTORE_FILES_private key.TXT, and when encryption is performed, the files are changed to <file name.exx>.
 

[Figure 5 Infection result 1]
 
 

[Figure 6 Infection result 2]
 
 

[Figure 7 Infection result 3]
 
White Defender compatible
It supports real-time automatic restoration of files that will be encrypted before the malicious actions and blocking of WhiteDefender ransomware.
 
[Figure 8 Block message]
 
[Figure 9 Block message]
 
[Figure 10 Block message]
