Ransomware Research

PrO

PrO was first discovered in July 2023 in enterprise cloud environments.

Name

PrO

 

First Seen

July 2023

Targeting

Behavior of PrO

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

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

Details

Characteristics of PrO

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 PrO ransomware is known to change.

Suffixes

.PrO

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 PrO.

Type

File Name

Location

file

HOW TO DECRYPT FILES.txt

EveryFolder

message

OnceOnCompletion

Executables

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

Executables

f3HvP0ctQa2Mx37.exe, P1.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 PrO.

External Pages

  • mailto:protix@tuta.io
  • mailto:protix@skiff.com

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