PUA.Win32.FusionCore.JKRO


 ALIASES:

Trojan.Win32.InstallCore.ejtpfg (NANO-ANTIVIRUS); a variant of Win32/FusionCore.I potentially unwanted application(NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • 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:

4,218,720 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 Jan 2020

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:

  • %ProgramFiles%\Glorylogic\ISO Workshop\DosBootimage.IMA
  • %ProgramFiles%\Glorylogic\ISO Workshop\ISOTools.exe
  • %ProgramFiles%\Glorylogic\ISO Workshop\ISOWorkshop.chm
  • %ProgramFiles%\Glorylogic\ISO Workshop\ISOWorkshop.exe
  • %ProgramFiles%\Glorylogic\ISO Workshop\iwsdk85.dll
  • %ProgramFiles%\Glorylogic\ISO Workshop\unins000.dat
  • %ProgramFiles%\Glorylogic\ISO Workshop\unins000.exe

It creates the following folders:

  • %ProgramFiles%\Glorylogic
  • %ProgramFiles%\Glorylogic\ISO Workshop

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

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

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Inno Setup: Setup Version = 5.5.9 (u)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Inno Setup: App Path = %Program Files%\Glorylogic\ISO Workshop

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
InstallLocation = %Program Files%\Glorylogic\ISO Workshop\

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Inno Setup: Icon Group = Glorylogic\ISO Workshop

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Inno Setup: User = {username}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Inno Setup: Selected Tasks = desktopicon,sendto

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Inno Setup: Deselected Tasks = quicklaunchicon

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Inno Setup: Language = en

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
DisplayName = ISO Workshop 7.3

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
UninstallString = "%Program Files%\Glorylogic\ISO Workshop\unins000.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
QuietUninstallString = "%Program Files%\Glorylogic\ISO Workshop\unins000.exe" /SILENT

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
Publisher = Glorylogic

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
URLInfoAbout = http://www.{BLOCKED}ogic.com/

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
HelpLink = http://www.{BLOCKED}ogic.com/

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
URLUpdateInfo = http://www.{BLOCKED}ogic.com/

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
NoModify = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
NoRepair = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
InstallDate = {YYYY}{MM}{DD}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
ISO Workshop_is1
EstimatedSize = 8863

Other Details

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

  • http://os.{BLOCKED}gol.com/Glorylogic/?v=6.0&c=320230692&t=544240
  • http://rp.{BLOCKED}gol.com/?v=2.0&subver=6.21&pcrc=74011625
  • http://rp.{BLOCKED}gol.com/?v=2.0&subver=6.21&pcrc=827346795
  • http://www.{BLOCKED}ogic.com:443

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

2.250.00

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

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

[ Learn More ]
To uninstall the grayware process

Step 4

Delete this registry key

[ 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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • ISO Workshop_is1

Step 5

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Inno Setup: Setup Version = "5.5.9 (u)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Inno Setup: App Path = "%Program Files%\Glorylogic\ISO Workshop"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • InstallLocation = "%Program Files%\Glorylogic\ISO Workshop\"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Inno Setup: Icon Group = "Glorylogic\ISO Workshop"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Inno Setup: User = "{username}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Inno Setup: Selected Tasks = "desktopicon,sendto"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Inno Setup: Deselected Tasks = "quicklaunchicon"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Inno Setup: Language = "en"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • DisplayName = "ISO Workshop 7.3"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • UninstallString = ""%Program Files%\Glorylogic\ISO Workshop\unins000.exe""
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • QuietUninstallString = ""%Program Files%\Glorylogic\ISO Workshop\unins000.exe" /SILENT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • Publisher = "Glorylogic"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • URLInfoAbout = "http://www.{BLOCKED}ogic.com/"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • HelpLink = "http://www.{BLOCKED}ogic.com/"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • URLUpdateInfo = "http://www.{BLOCKED}ogic.com/"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • InstallDate = "20200107"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISO Workshop_is1
    • EstimatedSize = "8863"

Step 6

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.  
  • %ProgramFiles%\Glorylogic\ISO Workshop\DosBootimage.IMA
  • %ProgramFiles%\Glorylogic\ISO Workshop\ISOTools.exe
  • %ProgramFiles%\Glorylogic\ISO Workshop\ISOWorkshop.chm
  • %ProgramFiles%\Glorylogic\ISO Workshop\ISOWorkshop.exe
  • %ProgramFiles%\Glorylogic\ISO Workshop\iwsdk85.dll
  • %ProgramFiles%\Glorylogic\ISO Workshop\unins000.dat
  • %ProgramFiles%\Glorylogic\ISO Workshop\unins000.exe

Step 7

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %ProgramFiles%\Glorylogic
  • %ProgramFiles%\Glorylogic\ISO Workshop

Step 8

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