ByteLocker was first discovered in February 2018 in enterprise cloud environments. ByteLocker is found in environments with a number of different names, including BytesLocker, etc. For a full list of all names, please see below.
|First Seen||February 2018|
To better understand ByteLocker, we can trace it’s origins. Below is a snapshot of ByteLocker’s genealogy.
|HiddenTear » ByteLocker » UnluckyWare|
Behavior of ByteLocker
ByteLocker is known to target specific file types. Below are all known file types that ByteLocker is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. ByteLocker updates the last modified date of the file it targets.
Characteristics of ByteLocker
Here are some of the unique characteristics that are helpful to know about ByteLocker.
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 ByteLocker 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 ByteLocker.
These are the names of the executables that contain the undetonated ransomware payload for ByteLocker.
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