Type
File Name
Location
Dark 101 was first discovered in January 2025 in enterprise cloud environments.
Name
Dark 101
First Seen
January 2025
Dark 101 is known to target specific file types. Below are all known file types that Dark 101 is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Dark 101 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 Dark 101 ransomware is known to change.
Suffixes
/.[0-9a-z]{4}$/
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 Dark 101.
Type File Name Location file Dark101_read_it.txt EveryFolder screenshot Desktop
These are the names of the executables that contain the undetonated ransomware payload for Dark 101.
Executables
adobe_photoshop2025.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 Dark 101.
External Pages