Analysis by: Bryce Erwin Ong
 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It drops files as ransom note.

  TECHNICAL DETAILS

File Size: 223,500 bytes
Memory Resident: No
Initial Samples Received Date: 09 Jun 2025

Arrival Details

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Ransomware drops the following files:

  • %Temp%\Global.ico
  • %Temp%\PrintMe22.pdf
  • %Temp%\PrintMe22_0.txt
  • %System32%\spool\PRINTERS\00002.SPL
  • %Temp%\PrintMe22_1.txt
  • %System32%\spool\PRINTERS\00003.SPL
  • %Temp%\PrintMe22_2.txt
  • %System32%\spool\PRINTERS\00004.SPL

(Note: %Temp% is the Windows temporary folder, where it usually is C:\Windows\Temp on all Windows operating system versions.)

It adds the following processes:

  • {Malware File Path}\{Malware File Name}.exe -detached
  • cmd.exe /c vssadmin delete shadows /all /quiet

Other System Modifications

This Ransomware adds the following registry entries:

HKEY_USERS\S-1-5-21-2019512041-4230814187-3178073052-1000_CLASSES
GLOBALEeUfy = GLOBAL

HKEY_USERS\S-1-5-21-2019512041-4230814187-3178073052-1000_CLASSES\GLOBALEeUfy
DefaultIcon = %Temp%\GLOBAL.ico

HKEY_USERS\S-1-5-21-2019512041-4230814187-3178073052-1000_CLASSES
.EeUfy = GLOBALEeUfy

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer
GlobalAssocChangedCounter = 36

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
CLSID\{User CLSID}\DefaultIcon
{Default} = %System32%\imageres.dll,-55

Ransomware Routine

This Ransomware appends the following extension to the file name of the encrypted files:

  • .EeUfy

It drops the following file(s) as ransom note:

  • {Encrypted Directory}\README.EeUfy.txt

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 20.256.04
FIRST VSAPI PATTERN DATE: 10 Jun 2025
VSAPI OPR PATTERN File: 20.257.00
VSAPI OPR PATTERN Date: 11 Jun 2025

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     
    • TROJ.Win32.TRX.XXPE50FFF097

Step 2

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 3

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_USERS\S-1-5-21-2019512041-4230814187-3178073052-1000_CLASSES\
    • GLOBALEeUfy = GLOBAL
  • In HKEY_USERS\S-1-5-21-2019512041-4230814187-3178073052-1000_CLASSES\GLOBALEeUfy\
    • DefaultIcon = %Temp%\GLOBAL.ico
  • In HKEY_USERS\S-1-5-21-2019512041-4230814187-3178073052-1000_CLASSES\
    • .EeUfy = GLOBALEeUfy

Step 5

Restore these modified registry values

[ Learn More ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.

  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
  • GlobalAssocChangedCounter = 36
  • GlobalAssocChangedCounter = 0
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\CLSID\{User CLSID}\DefaultIcon
  • {Default} = %System32%\imageres.dll,-55
  • {Default} = %System32%\imageres.dll,-54

Step 6

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Temp%\Global.ico
  • %Temp%\PrintMe22.pdf
  • %Temp%\PrintMe22_0.txt
  • %System32%\spool\PRINTERS\00002.SPL
  • %Temp%\PrintMe22_1.txt
  • %System32%\spool\PRINTERS\00003.SPL
  • %Temp%\PrintMe22_2.txt
  • %System32%\spool\PRINTERS\00004.SPL

Step 7

Scan your computer with your Trend Micro product to clean files detected as Ransom.Win32.GLLOAB.THFAOBE. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:

Step 8

Restore encrypted files from backup.


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