Ransomware Research

DoubleLocker

DoubleLocker was first discovered in October 2017 in enterprise cloud environments. DoubleLocker is found in environments with a number of different names, including CryEye, etc. For a full list of all names, please see below.

Name

DoubleLocker

 

First Seen

October 2017

Targeting

Behavior of DoubleLocker

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

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

Details

Characteristics of DoubleLocker

Suffixes

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 DoubleLocker ransomware is known to change.

Suffixes

.cryeye

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 DoubleLocker.

Type

File Name

Location

message

Executables

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

Executables

doublelocker.apk, DoubleLockerRansomware.apk, myfile.exe, 247856038.apk, 760506, 8, file.apk

External Pages

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 DoubleLocker.

External Pages

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