Ransomware Research

Locky

Locky was first discovered in March 2016 in enterprise cloud environments.

Name

Locky

 

First Seen

March 2016

Targeting

Behavior of Locky

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

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

Details

Characteristics of Locky

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 ransomware is known to change.

Suffixes

.locky, .loptr, .thor, .zzzzz, .shit, .lukitus

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.

Type

File Name

Location

file

/^lukitus-w{4}.htm$/

EveryFolder

file

/^.d{1,3}-INSTRUCTION.html$/

EveryFolder

file

/^_d_WHAT_is.html$/

EveryFolder

file

_Locky_recover_instructions.txt

EveryFolder

screenshot

Desktop

Executables

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

Executables

20160301_b9fabd8fb7ec620295c232fa978b88f8.js, myfile.js, report.226915422.js, 8.png, 5.exe, content, 61f87e94f[1].png, a1.exe, 123.exe, Danger.exe, 793322-1-5e8b9_svchost.exe, svchost.exe, eiasus.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.

External Pages

  • http://6dtxgqam4crv6rr6.onion
  • http://g46mbrrzpfszonuk.onion/DF383I1D3771DRK3
  • http://g46mbrrzpfszonuk.onion
  • http://6dtxgqam4crv6rr6.tor2web.org
  • http://6dtxgqam4crv6rr6.onion.to
  • http://6dtxgqam4crv6rr6.onion.cab
  • http://6dtxgqam4crv6rr6.onion.link
  • http://mwddgguaa5rj7b54.onion
  • http://jhomitevd2abj3fk.onion.to
  • http://jhomitevd2abj3fk.onion
  • http://jhomitevd2abj3fk.tor2web.org/DF383ID05B71GWPT
  • http://jhomitevd2abj3fk.onion.to/DF383ID05B71GWPT

elastio-icon
Elastio Can Help You

Don’t let ransomware
take over your data.