Ransomware Research

PolskiRansom

PolskiRansom was first discovered in August 2017 in enterprise cloud environments. PolskiRansom is found in environments with a number of different names, including Polski, Gadu-Gadu, AESxWin, etc. For a full list of all names, please see below.

Name

PolskiRansom

 

First Seen

August 2017

Targeting

Behavior of PolskiRansom

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

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

Details

Characteristics of PolskiRansom

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 PolskiRansom ransomware is known to change.

Suffixes

.aes, .ZABLOKOWANE

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 PolskiRansom.

Type

File Name

Location

file

### – ODZYSKAJ SWOJE DANE – ###.TXT

EveryFolder

file

#$# JAK-ODZYSKAC-PLIIKI.txt

EveryFolder

Executables

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

Executables

AESxWin.exe, s500.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 PolskiRansom.

External Pages

  • mailto:rsapl@openmailbox.org
  • mailto:estion@sigaint.org
  • mailto:3nigma@0.pl
  • mailto:3nigma@firemail.cc
  • mailto:hc9@2.pl
  • mailto:hc9@goat.si

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