Ransomware Research

Gnsyihong

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

Name

Gnsyihong

 

First Seen

April 2025

Targeting

Behavior of Gnsyihong

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

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

Details

Characteristics of Gnsyihong

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 Gnsyihong ransomware is known to change.

Suffixes

.gnsyihong

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 Gnsyihong.

Type

File Name

Location

file

README.TXT

EveryFolder

Executables

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

Executables

yjhxyubp.exe, encrypter-windows-gui-x86.exe

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 Gnsyihong.

External Pages

  • mailto:gnsyihong@mailum.com
  • session:0585ae8a3c3a688c78cf2e2b2b7df760630377f29c0b36d999862861bdbf93380d

elastio-icon
Elastio Can Help You

Don’t let ransomware
take over your data.