Arsium was first discovered in August 2019 in enterprise cloud environments.
Name
Arsium
First Seen
August 2019
Arsium is known to target specific file types. Below are all known file types that Arsium is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Arsium unknown 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 Arsium ransomware is known to change.
Suffixes
.0000
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 Arsium.
These are the names of the executables that contain the undetonated ransomware payload for Arsium.
Executables
ezfzef.exe, Builder 3 DLL.exe, Arsium Ransomware Builder [DLL] [DESKTOP].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 Arsium.
