Type
File Name
Location
Ziver was first discovered in July 2025 in enterprise cloud environments.
Name
Ziver
First Seen
July 2025
Ziver is known to target specific file types. Below are all known file types that Ziver is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Ziver 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 Ziver ransomware is known to change.
Suffixes
.ziver
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 Ziver.
Type File Name Location file +README-WARNING+.txt EveryFolder screenshot Desktop
These are the names of the executables that contain the undetonated ransomware payload for Ziver.
Executables
ziver_visual.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 Ziver.
External Pages