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Ransomware Research

RensenWare

RensenWare was first discovered in April 2017 in enterprise cloud environments.

Name

RensenWare

 

First Seen

April 2017

Targeting

Behavior of RensenWare

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

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

Details

Characteristics of RensenWare

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 RensenWare ransomware is known to change.

Suffixes

.RENSENWARE, .Haruna, .KASHIMA

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 RensenWare.

Type

File Name

Location

message

OnceOnCompletion

Executables

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

Executables

Rensenware.exe, rensenWare.exe, Trojan.Ransom.Rensenware, Rensen.exe, rensenware.exe, 1kkUiAnQvSWUv2.exe, Trojan.Ransom.Rensenware.exe, RensenWare.exe, Trojan.Ransom.RensenWare.exe, XDDWDx.exe, XDDWDx.exe.exe, Ransomware HiddenTears.exe, 684.json, qae8v0xd7s2iDQ.exe, Tda0xbFhlh9afR.exe, myfile.exe, RensenwareGame.exe, wefe.bin, ESZHSKiB, ransomware RensenWare

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 RensenWare.

External Pages

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