Ransomware Research

Hero

Hero was first discovered in April 2025 in enterprise cloud environments.

Name

Hero

 

First Seen

April 2025

Targeting

Behavior of Hero

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

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

Details

Characteristics of Hero

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 Hero ransomware is known to change.

Suffixes

.hero77

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 Hero.

Type

File Name

Location

file

#Read-for-recovery.txt

EveryFolder

screenshot

Desktop

Executables

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

Executables

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 Hero.

External Pages

  • mailto:hero77@cock.li

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