Ransomware Research

About ApolloLocker


ApolloLocker was first discovered in September 2017 in enterprise cloud environments.

Name ApolloLocker
First Seen September 2017

Behavior of ApolloLocker

ApolloLocker is known to target specific file types. Below are all known file types that ApolloLocker is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. ApolloLocker updates the last modified date of the file it targets.

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Characteristics of ApolloLocker

Here are some of the unique characteristics that are helpful to know about ApolloLocker.


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 ApolloLocker ransomware is known to change.


Ransomware Notes

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 ApolloLocker.

File Name/^DOSYALARI-KURTAR [0-2{1}].txt$/
File Name/^DOSYALARI-KURTAR [0-2{1}].url$/


These are the names of the executables that contain the undetonated ransomware payload for ApolloLocker.

ExecutablesApolloLocker.exe, 1.exe
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