Ransomware Research

ALC

ALC was first discovered in February 2023 in enterprise cloud environments. ALC is found in environments with a number of different names, including ALC – trbo, etc. For a full list of all names, please see below.

Name

ALC

 

First Seen

February 2023

Targeting

Behavior of ALC

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

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

Details

Characteristics of ALC

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 ALC ransomware is known to change.

Suffixes

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 ALC.

Type

File Name

Location

file

RUS!.txt

Desktop

Executables

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

Executables

0abe1ab9c75395a4ca829028d9c8c6530bd3bfda49e4b856b6f3539b9aa36ea5_.json, main_trboransom – Enc.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 ALC.

External Pages

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