Ransomware Research

Wcry

Wcry was first discovered in February 2017 in enterprise cloud environments.

Name

Wcry

 

First Seen

February 2017

Targeting

Behavior of Wcry

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

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

Details

Characteristics of Wcry

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 Wcry ransomware is known to change.

Suffixes

.wcry

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 Wcry.

Type

File Name

Location

message

Login

Executables

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

Executables

Message, Message.EXE, taskmsgr.exe, myfile.exe, w.exe_, a.1.wannacrypt.exe, wecry, 2.bin

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 Wcry.

External Pages

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