Analysis by: Jay Garcia
ALIASES:

Riskware/FusionCore (Fortinet); FusionCore. (NAI)

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size: 4,217,624 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 28 Aug 2019

Arrival Details

This Potentially Unwanted Application 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 Potentially Unwanted Application drops the following files:

  • %Program Files%\Glorylogic\ISO Workshop\unins000.exe
  • %Program Files%\Glorylogic\ISO Workshop\ISOWorkshop.exe
  • %Program Files%\Glorylogic\ISO Workshop\ISOTools.exe
  • %Program Files%\Glorylogic\ISO Workshop\iwsdk85.dll
  • %Program Files%\Glorylogic\ISO Workshop\DosBootimage.IMA
  • %Program Files%\Glorylogic\ISO Workshop\ISOWorkshop.chm
  • %Application Data%\Microsoft\Windows\SendTo\ISO Workshop.lnk
  • %Common Programs%\Glorylogic\ISO Workshop\ISO Workshop.lnk
  • %Common Programs%\Glorylogic\ISO Workshop\Help.lnk
  • %Common Programs%\Glorylogic\ISO Workshop\ISO Workshop on the Web.url
  • %Common Programs%\Glorylogic\ISO Workshop\Uninstall ISO Workshop.lnk
  • %Desktop%\ISO Workshop.lnk
  • %AppDataLocal%\isoworkshop.ini

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Common Programs% is the folder that contains common program groups for all users, which is usually C:\Documents and Settings\All Users\Start Menu\Programs on Windows 2000, XP, and Server 2003, or C:\ProgramData\Microsoft\Windows\Start Menu\Programs on Windows Vista, 7, and 8.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • http://rp.{BLOCKED}gol.com/?v=2.0&subver=6.21&pcrc=1262354304
  • http://os.{BLOCKED}gol.com/Glorylogic/?v=6.0&c=1716915&t=441670
  • http://os2.{BLOCKED}gol.com/Glorylogic/?v=6.0&c=1716915&t=441670
  • http://www.{BLOCKED}ogic.com/upd_workshop.ini
  • http://www.{BLOCKED}ogic.com/after-install.html

  SOLUTION

Minimum Scan Engine: 9.850
SSAPI PATTERN File: 2.249.00
SSAPI PATTERN Date: 09 Jan 2020

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

Identify and terminate files detected as PUA.Win32.FusionCore.JKRP

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Remove PUA.Win32.FusionCore.JKRP by using its own Uninstall option

[ Learn More ]
To uninstall the grayware process

Step 5

Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.FusionCore.JKRP. 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:


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