Ransomware Research

7ev3n

7ev3n was first discovered in January 2016 in enterprise cloud environments.

Name

7ev3n

 

First Seen

January 2016

Targeting

Behavior of 7ev3n

7ev3n is known to target specific file types. Below are all known file types that 7ev3n is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. 7ev3n updates the last modified date of the file it targets.

Details

Characteristics of 7ev3n

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 7ev3n ransomware is known to change.

Suffixes

.R5A, .R4A

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 7ev3n.

Type

File Name

Location

file

FILES_BACK.txt

Executables

These are the names of the executables that contain the undetonated ransomware payload for 7ev3n.

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 7ev3n.

External Pages

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