Ransomware Research

About Decryption Assistant

Decryption Assistant

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

Name Decryption Assistant
First Seen May 2017

Genealogy

To better understand Decryption Assistant, we can trace it’s origins. Below is a snapshot of Decryption Assistant’s genealogy.

HiddenTear » Decryption Assistant
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.

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Characteristics of Decryption Assistant

Here are some of the unique characteristics that are helpful to know about 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.

Typemessage
LocationOnceOnCompletion

Executables

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

ExecutablesFlashPlayerUpdate.exe
How Elastio can help

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