Ransomware Research

Alco

Alco was first discovered in September 2018 in enterprise cloud environments. Alco is found in environments with a number of different names, including Maoloa-Alco, China.Helper, X_Mister, 4444, 666, 865, etc. For a full list of all names, please see below.

Name

Alco

 

First Seen

September 2018

Targeting

Behavior of Alco

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

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

Details

Characteristics of Alco

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 Alco ransomware is known to change.

Suffixes

.Alco4444, .Ox4444, .Mr-X666, .Tiger4444, .Pig4444, .Dragon4444, .pig4444, .Horse4444, .TROLL, .Ares666, .Persephone666, .haka, .Rabbit4444, .Hades666, .Hermes666, .Apollon865, .Ares865, .Artemis865-20, .Artemis865, .Athena865, .Rooster865qq, .Rooster865, .Rooster865qqZ, .Monkey865qqZ, .Monkey865, .Encrypted, .Globeimposter-Alpha666qqz

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 Alco.

Type

File Name

Location

file

HOW TO BACK YOUR FILES.txt

EveryFolder

file

HOW_TO_BACK_FILES.txt

EveryFolder

Executables

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

Executables

GlobeImposter.exe, test_v.doc, svhost.exe, Tiger4444.exe, Persephone666.exe, Rabbit4444.exe, Hades666.exe, Athena865.exe, WINLOGON_PROTECTED.EXE, winlogon.exe, Hakbdyww7.exe, cia.exe, bfsv.exe, Data Recovery.bin, Apollon865.exe, winlogon_protected.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 Alco.

External Pages

  • mailto:x_mister@aol.com
  • mailto:x_mister@india.com
  • mailto:bivisfiles@protonmail.com
  • mailto:zoye1596@msgden.net
  • mailto:eater.666@aol.com
  • mailto:eladovin1975@protonmail.com
  • mailto:opticodbestbad@aol.com
  • mailto:opticodbestbad@mail.ee

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