Ransomware Research

Locky-Zepto

Locky-Zepto was first discovered in July 2016 in enterprise cloud environments. Locky-Zepto is found in environments with a number of different names, including Zepto, etc. For a full list of all names, please see below.

Name

Locky-Zepto

 

First Seen

July 2016

Targeting

Behavior of Locky-Zepto

Locky-Zepto is known to target specific file types. Below are all known file types that Locky-Zepto is known to infect.

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

Details

Characteristics of Locky-Zepto

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 Locky-Zepto ransomware is known to change.

Suffixes

.zepto

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 Locky-Zepto.

Type

File Name

Location

file

/^_[0-9]{1,3}_HELP_instructions.html$/

EveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for Locky-Zepto.

Executables

rodris.exe, A.exe

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 Locky-Zepto.

External Pages

  • http://mphtadhci5mrdlju.onion
  • http://mphtadhci5mrdlju.tor2web.org/5E950263BC5AAB7E
  • http://mphtadhci5mrdlju.onion.to/5E950263BC5AAB7E
  • http://mphhtadhci5mrdlju.tor2web.org/5E950263BC5AAB7E
  • http://5n7y4yihirccftc5.onion.to
  • http://5n7y4yihirccftc5.onion
  • http://5n7y4yihirccftc5.tor2web.org
  • http://5n7y4yihirccftc5.onion.to

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