Ransomware Research

Decryption Assistant

Decryption Assistant was first discovered in May 2017 in enterprise cloud environments.

Name

Decryption Assistant

 

First Seen

May 2017

Targeting

Behavior of Decryption Assistant

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

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

Details

Characteristics of Decryption Assistant

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 Decryption Assistant ransomware is known to change.

Suffixes

.pwned

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 Decryption Assistant.

Type

File Name

Location

message

OnceOnCompletion

Executables

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

Executables

FlashPlayerUpdate.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 Decryption Assistant.

External Pages

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