Type
File Name
Location
PrO was first discovered in July 2023 in enterprise cloud environments.
Name
PrO
First Seen
July 2023
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.
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
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
These are the names of the executables that contain the undetonated ransomware payload for PrO.
Executables
f3HvP0ctQa2Mx37.exe, P1.exe
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