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Ransomware Research

GandCrab-2

GandCrab-2 was first discovered in March 2018 in enterprise cloud environments.

Name

GandCrab-2

 

First Seen

March 2018

Targeting

Behavior of GandCrab-2

GandCrab-2 is known to target specific file types. Below are all known file types that GandCrab-2 is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. GandCrab-2 unknown the last modified date of the file it targets.

Details

Characteristics of GandCrab-2

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 GandCrab-2 ransomware is known to change.

Suffixes

.CRAB

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 GandCrab-2.

Type

File Name

Location

file

CRAB-DECRYPT.txt

EveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for GandCrab-2.

Executables

f399f5b5bf87dca2d89ef384dc6be0ef., MR_GandCrab2_v100r, LockerLoader.exe, GandCrab v2.bin, 128384.EXE, crabv2_.exe, r.exe, a157ca89.gxe, 2018-03-16-GandCrab-sample.exe, myfile.exe, gandcrab ransomware

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 GandCrab-2.

External Pages

  • http://gdcbmuveqjsli57x.onion
  • http://gandcrab2pie73et.onion
  • http://whmcs.com.ua
  • https://gdcbmuveqjsli57x.hiddenservice.net
  • https://gdcbmuveqjsli57x.onion.guide
  • https://gdcbmuveqjsli57x.onion.rip
  • https://gdcbmuveqjsli57x.onion.plus
  • https://gdcbmuveqjsli57x.onion.to

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