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Ransom.Win64.GOHIVE.YXBL3

January 10, 2022
 Analysis by: Khristian Joseph Morales
 Modified by: Nathaniel Gregory Ragasa
 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


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:

2,569,728 bytes

File Type:

EXE

Memory Resident:

No

Payload:

Encrypts files, Disables services, Modifies system registry, Displays message/message boxes

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:

  • {Malware directory}\1.bat → deletes afterwards

It adds the following processes:

  • vssadmin.exe delete shadows /all /quiet

Process Termination

This Ransomware terminates the following services if found on the affected system:

  • AcronisAgent
  • AcrSch2Svc
  • CAARCUpdateSvc
  • CASAD2DWebSvc
  • GxBlr
  • GxCIMgr
  • GxCVD
  • GxFWD
  • GxVss
  • VSNAP
  • vss
  • sqbcoreservice
  • stc_raw_agent
  • PDVFSService
  • veeam
  • YooBackup
  • YooIT
  • zhudongfangyu
  • ccEvtMgr
  • ccSetMgr
  • DefWatch
  • RTVscan
  • SavRoam
  • agntsvc
  • sophos
  • encsvc
  • memtas
  • mepocs
  • sqlsvc
  • sql
  • isqlplussvc
  • oracle
  • mydesktopqos
  • mydesktopservice
  • ocautoupds
  • ocomm
  • ocssd
  • dbsnmp
  • synctime
  • xfssvccon
  • dbeng50

Other Details

This Ransomware encrypts files with the following extensions:

  • aspx
  • bak
  • cer
  • csv
  • db
  • dmp
  • docx
  • eps
  • jsp
  • ldf
  • log
  • mdf
  • myd
  • myi
  • pdf
  • pem
  • pfx
  • php
  • ppt
  • pptx
  • psd
  • rtf
  • sql
  • txt
  • vdi
  • vmdk
  • vmx
  • xls
  • xlsx

It does the following:

  • Encrypts removable and fixed drives
  • Terminates process with the following strings:
    • mysql
    • excel
    • infopath
    • msaccess
    • mspub
    • onenote
    • outlook
    • powerpnt
    • visio
    • winword
    • notepad
    • wordpad
    • firefox
    • tbirdconfig
    • thunderbird
    • thebat
    • steam
  • Finds a file named {Malware directory}\opiPeaGAP_en.exe and delete if found

Ransomware Routine

This Ransomware avoids encrypting files found in the following folders:

  • %Windows%
  • Windows NT
  • Windows Defender
  • Windows Journal
  • Windows Mail
  • Windows Media Player
  • Windows Photo Viewer
  • Windows Portable Devices
  • Windows Sidebar

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

It appends the following extension to the file name of the encrypted files:

  • .[opiPeaGAP].salute

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

  • {Infected directory}\Redme!!!.html

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

17.282.07

FIRST VSAPI PATTERN DATE:

29 Dec 2021

VSAPI OPR PATTERN File:

17.283.00

VSAPI OPR PATTERN Date:

30 Dec 2021

Step 1

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 2

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 3

Search and delete this file

[ 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.  
  • {Infected directory}\Readme!!!.html

Step 4

Scan your computer with your Trend Micro product to delete files detected as Ransom.Win64.GOHIVE.YXBL3. 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 5

Restore encrypted files from backup.


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