Ransomware Research

BigBobRoss

BigBobRoss was first discovered in January 2019 in enterprise cloud environments. BigBobRoss is found in environments with a number of different names, including Obfuscated, Cheetah, etc. For a full list of all names, please see below.

Name

BigBobRoss

 

First Seen

January 2019

Targeting

Behavior of BigBobRoss

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

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

Details

Characteristics of BigBobRoss

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 BigBobRoss ransomware is known to change.

Suffixes

.obfuscated, .encryptedALL, .djvu, .cheetah, .encrypted

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 BigBobRoss.

Type

File Name

Location

file

Read Me.txt

EveryFolder

file

How to recover your files.txt

EveryFolder

file

How to recover your files.url

EveryFolder

file

Encrypt Message.txt

Executables

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

Executables

BigBobRoss.exe, test.exe, bedoneupx.exe, Obfuscated.exe, encrypterXD.exe, System.exe, windows64bit.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 BigBobRoss.

External Pages

  • https://t.me/BigBobRoss
  • mailto:bigbobross@computer4u.com
  • mailto:big8obross@protonmail.com
  • mailto:info@bigbobross.website
  • mailto:bigbobross@protonmail.com
  • mailto:robsmithmba@protonmail.com
  • mailto:support@robsmithmba.com
  • mailto:contactreception@protonmail.com
  • mailto:repair.technician@protonmail.com
  • mailto:willigarcia@protonmail.com
  • mailto:philip.btc@protonmail.com
  • mailto:recoveryrdp@protonmail.com
  • telegram:@WilliGarcia

elastio-icon
Elastio Can Help You

Don’t let ransomware
take over your data.