Type
File Name
Location
WannaCash was first discovered in March 2019 in enterprise cloud environments. WannaCash is found in environments with a number of different names, including WannaCash NextGen, WannaCash 2.0, etc. For a full list of all names, please see below.
Name
WannaCash
First Seen
March 2019
WannaCash is known to target specific file types. Below are all known file types that WannaCash is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. WannaCash 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 WannaCash ransomware is known to change.
Suffixes
.wannacash, .punisher, .happy new year
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 WannaCash.
Type File Name Location file как расшифровать файлы.txt UserFolders, Temp file Contribution.txt
These are the names of the executables that contain the undetonated ransomware payload for WannaCash.
Executables
Ключи_активации_на_365.exe, Ключи активации на 365.exe, Ключи активации на 365 дней.exe, Ключи активации на 365 дней-2010.exe, dobro, hostsss.exe, eset keys [до 06.06.2020].exe, egui.exe, EGUIS.EXE, Ключи для ESET[all versions] на 365 дней.exe, ESETNOD.exe, egui.exe, eguis_upx.exe, Ключи активации на год_.exe
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 WannaCash.
External Pages