Type
File Name
Location
RedRum was first discovered in December 2019 in enterprise cloud environments. RedRum is found in environments with a number of different names, including RedRum, Grinch, Thanos, Tycoon, etc. For a full list of all names, please see below.
Name
RedRum
First Seen
December 2019
RedRum is known to target specific file types. Below are all known file types that RedRum is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. RedRum updates the last modified date of the file it targets.
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 RedRum ransomware is known to change.
Suffixes
.redrum, .grinch, .thanos, .groove, .eruption, .magneto
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 RedRum.
Type File Name Location file decryption.txt EveryFolder
These are the names of the executables that contain the undetonated ransomware payload for RedRum.
Executables
program.exe, Local Security Authority Process1.exe, Local Security Authority Process1.zip
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 RedRum.
External Pages