Ransomware Research

ABCLocker

ABCLocker was first discovered in July 2017 in enterprise cloud environments.

Name

ABCLocker

 

First Seen

July 2017

Targeting

Behavior of ABCLocker

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

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

Details

Characteristics of ABCLocker

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 ABCLocker 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 ABCLocker.

Type

File Name

Location

file

OPEN_TO_UNLOCK_YOUR_FILES.html

UserFolders

Executables

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

Executables

cloudsword.exe, abclocker.exe, Tory.exe, Windows Update.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 ABCLocker.

External Pages

  • http://dw2dzfkweixaskxr.onion.to/abc/
  • mailto:abchelper@sigaint.org

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