Ransomware Research

CryptoShield 2.0

CryptoShield 2.0 was first discovered in February 2017 in enterprise cloud environments.

Name

CryptoShield 2.0

 

First Seen

February 2017

Targeting

Behavior of CryptoShield 2.0

CryptoShield 2.0 is known to target specific file types. Below are all known file types that CryptoShield 2.0 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. CryptoShield 2.0 updates the last modified date of the file it targets.

Details

Characteristics of CryptoShield 2.0

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 CryptoShield 2.0 ransomware is known to change.

Suffixes

.CRYPTOSHIELD.

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 CryptoShield 2.0.

Type

File Name

Location

file

# RESTORING FILES #.HTML

EveryFolder

file

# RESTORING FILES #.TXT

EveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for CryptoShield 2.0.

Executables

Protected SoftWare, 2017-02-14-EITest-Rig-EK-1st-run-payload-CryptoShield-1.2-rad93DD5.tmp.exe, CryptoShield-1.2-rad93DD5.tmp.exe, rad93DD5.tmp.exe, EITest-Rig-EK-1st-run-payload-CryptoShield-1.2-rad93DD5.tmp.exe, rad3F5A5.tmp.exe, rad3F5A5.tmp.ex_, n7uq9wrn.exe, Recovery Tools.exe

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 CryptoShield 2.0.

External Pages

  • mailto:res_sup@india.com
  • mailto:res_sup@computer4u.com
  • mailto:res_reserve@india.com
  • mailto:r_sup@india.com

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