Type
File Name
Location
Quantum was first discovered in September 2021 in enterprise cloud environments.
Name
Quantum
First Seen
September 2021
Quantum is known to target specific file types. Below are all known file types that Quantum is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Quantum updates 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 Quantum ransomware is known to change.
Suffixes
.quantum
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 Quantum.
Type File Name Location file README_TO_DECRYPT.html EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for Quantum.
Executables
manual64.dll
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 Quantum.
External Pages