Bonsoir was first discovered in January 2021 in enterprise cloud environments.
|First Seen||January 2021|
Behavior of Bonsoir
Bonsoir is known to target specific file types. Below are all known file types that Bonsoir is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Bonsoir updates the last modified date of the file it targets.
Characteristics of Bonsoir
Here are some of the unique characteristics that are helpful to know about Bonsoir.
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 Bonsoir ransomware is known to change.
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 Bonsoir.
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 Bonsoir.
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