Ransomware Research

DVPN

DVPN was first discovered in September 2019 in enterprise cloud environments. DVPN is found in environments with a number of different names, including DreamVPN, etc. For a full list of all names, please see below.

Name

DVPN

 

First Seen

September 2019

Targeting

Behavior of DVPN

DVPN is known to target specific file types. Below are all known file types that DVPN is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. DVPN unknown the last modified date of the file it targets.

Details

Characteristics of DVPN

Suffixes

Some ransomware will change or append a suffix to the end of the file after they are encrypted, including changing the extension of a file. Here are some of the possible suffixes that DVPN ransomware is known to change.

Suffixes

-(已锁定)

Ransomware Notes

Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.

Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from DVPN.

Type

File Name

Location

file

{origin_filename}(文件锁定说明).txt

EveryFile

Executables

These are the names of the executables that contain the undetonated ransomware payload for DVPN.

Executables

dvpn.exe, HVMRuntime, Runtime.dll, AntRuntm.dll, Browser.dll, BypassRuntm.dll

External Pages

Ransomware often links to external pages such as payment pages, telegram contacts, etc. Below are some of the URLs Elastio has found to be associated with DVPN.

External Pages

  • mailto:jiesuofuwu@gmail.com
  • mailto:dvpnxyz@gmail.com

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