Adware.Win32.FUSIONCORE.AF

This Adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

File Size: 10,744,555 bytes

File Type: EXE

Memory Resident: No

Initial Samples Received Date: 07 Apr 2019

Arrival Details

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

It may be manually installed by a user.

Installation

This Adware drops the following files:

%User Temp%\is-{5 Random Characters}.tmp\{Random Characters}.tmp
%User Temp%\is-{5 Random Characters}.tmp\itdownload.dll
%User Temp%\is-{5 Random Characters}.tmp\rkinstaller.exe
%User Temp%\is-{5 Random Characters}.tmp\rkverify.exe
%Program Files%\Snow Man\unins000.dat
%Program Files%\Snow Man\is-{5 Random Characters}.tmp
%Program Files%\is-{5 Random Characters}.tmp
%All Users Profile%\Microsoft\Windows\Start Menu\Programs\Snow Man\Snow Man.lnk
%All Users Profile%\Microsoft\Windows\Start Menu\Programs\Snow Man\Snow Man on the Web.lnk
%All Users Profile%\Microsoft\Windows\Start Menu\Programs\Snow Man\Uninstall Snow Man.lnk
%Desktop%\Falco Space - Online Game!.lnk
%Desktop%\FalconLine Online Games Website.lnk
%Desktop%\FalcoGo WebGL Games!.lnk
%Desktop%\Free Games Downloads!.lnk
%Program Files%\Snow Man\Snow Man.url
%User Temp%\CSMD250.tmp
%System%\wbem\repository\WRITABLE.TST
%Program Files%\Snow Man\unins000.exe
%Program Files%\Snow Man\Game.exe
%Program Files%\Snow Man\SnowMan.exe
%Program Files%\FalcoSpace.ico
%Program Files%\FalcoSpace.url
%Program Files%\FalconLine.ico
%Program Files%\FalconLine.url
%Program Files%\Falco.ico
%Program Files%\Falco.url
%Program Files%\FalcoGo.ico
%Program Files%\FalcoGo.url

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %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).. %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). . %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).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

It adds the following processes:

%Program Files%\Snow Man\SnowMan.exe
%User Temp%\is-{5 Random Characters}.tmp\{Random Characters}.tmp" /SL5="$1004FE,10210130,119808,{Malware path}\{Malware Name}.exe" -> executes %Program Files%\Snow Man\Game.exe

(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).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other System Modifications

This Adware adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
Owner = {Hex Values}

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
SessionHash = {Hex Values}

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
Sequence = "1"

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
RegFiles0000 = %Program Files%\Snow Man\Game.exe, %Program Files%\Snow Man\SnowMan.exe

HKEY_CURRENT_USER\Software\Microsoft\
RestartManager\Session0000
RegFilesHash = {Hex Values}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Inno Setup: Setup Version = {Setup Version}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Inno Setup: App Path = %Program Files%\Snow Man

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
InstallLocation = %Program Files%\Snow Man\

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Inno Setup: Icon Group = Snow Man

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Inno Setup: User = %username%

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Inno Setup: Selected Tasks = quicklaunchicon

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Inno Setup: Deselected Tasks = dektopicon

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Inno Setup: Language = en_1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
DisplayName = Snow Man {Version}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
UninstallString = "%Program Files%\Snow Man\unins000.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
QuietUninstallString = "%Program Files%\Snow Man\unins000.exe" /SILENT

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
Publisher = FalcoWare.Inc

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
URLInfoAbout = http://www.Freegamia.com

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
HelpLink = http://www.Freegamia.com

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
URLUpdateInfo = http://www.Freegamia.com

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Snow Man_is1
NoRepair = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings
ProxyEnable = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Connections
SavedLegacySettings = {Hex values}

Other Details

This Adware does the following:

It connects to the following URL after clicking:
- http://post.{BLOCKED}studies.com/packages/RI1034/ContentI3.exe/
It connects to the following URL after installation:
- https://{BLOCKED}are.com/
It displays the following after clicking:
After installation it launches a game:

Minimum Scan Engine: 9.850

SSAPI PATTERN File: 2.164.36

SSAPI PATTERN Date: 11 Apr 2019

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 Adware.Win32.FUSIONCORE.AF by using its own Uninstall option

[ Learn More ]

To uninstall the grayware process

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_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
- Owner = {Hex Values}
In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
- SessionHash = {Hex Values}
In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
- Sequence = "1"
In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
- RegFiles0000 = %Program Files%\Snow Man\Game.exe, %Program Files%\Snow Man\SnowMan.exe
In HKEY_CURRENT_USER\Software\Microsoft\RestartManager\Session0000
- RegFilesHash = {Hex Values}
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Inno Setup: Setup Version = {Setup Version}
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Inno Setup: App Path = %Program Files%\Snow Man
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- InstallLocation = %Program Files%\Snow Man\</li</ul>
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Inno Setup: Icon Group = Snow Man
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Inno Setup: User = %username%
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Inno Setup: Selected Tasks = quicklaunchicon
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Inno Setup: Deselected Tasks = dektopicon
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Inno Setup: Language = en_1
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- DisplayName = Snow Man {Version}
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- UninstallString = "%Program Files%\Snow Man\unins000.exe"
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- QuietUninstallString = "%Program Files%\Snow Man\unins000.exe" /SILENT
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- Publisher = FalcoWare.Inc
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- URLInfoAbout = http://www.Freegamia.com
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- HelpLink = http://www.Freegamia.com
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- URLUpdateInfo = http://www.Freegamia.com
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- NoModify = "1" <li></ul>
In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Snow Man_is1
- NoRepair = "1"
In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
- ProxyEnable = "1"
In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
- SavedLegacySettings = {Hex values}

To delete the registry value this malware/grayware created:

Open Registry Editor.
» For Windows 7 and Windows Server 2008 (R2) users, click the Start button, type regedit in the Search input field then press Enter.
» For Windows 8, Windows 8.1, Windows 10, and Windows Server 2012 (R2) users, right-click on the lower-left corner of the screen, click Run, type regedit in the text box provided, and then press Enter.
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>RestartManager>Session0000
In the right panel, locate and delete the entry:
Owner = {Hex Values}
Again In the right panel, locate and delete the entry:
SessionHash = {Hex Values}
Again In the right panel, locate and delete the entry:
Sequence = "1"
Again In the right panel, locate and delete the entry:
RegFiles0000 = %Program Files%\Snow Man\Game.exe, %Program Files%\Snow Man\SnowMan.exe
Again In the right panel, locate and delete the entry:
RegFilesHash = {Hex Values}
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Uninstall>Snow Man_is1
In the right panel, locate and delete the entry:
Inno Setup: Setup Version = {Setup Version}
Again In the right panel, locate and delete the entry:
Inno Setup: App Path = %Program Files%\Snow Man
Again In the right panel, locate and delete the entry:
InstallLocation = %Program Files%\Snow Man\</li</ul>
Again In the right panel, locate and delete the entry:
Inno Setup: Icon Group = Snow Man
Again In the right panel, locate and delete the entry:
Inno Setup: User = %username%
Again In the right panel, locate and delete the entry:
Inno Setup: Selected Tasks = quicklaunchicon
Again In the right panel, locate and delete the entry:
Inno Setup: Deselected Tasks = dektopicon
Again In the right panel, locate and delete the entry:
Inno Setup: Language = en_1
Again In the right panel, locate and delete the entry:
DisplayName = Snow Man {Version}
Again In the right panel, locate and delete the entry:
UninstallString = "%Program Files%\Snow Man\unins000.exe"
Again In the right panel, locate and delete the entry:
QuietUninstallString = "%Program Files%\Snow Man\unins000.exe" /SILENT
Again In the right panel, locate and delete the entry:
Publisher = FalcoWare.Inc
Again In the right panel, locate and delete the entry:
URLInfoAbout = http://www.Freegamia.com
Again In the right panel, locate and delete the entry:
HelpLink = http://www.Freegamia.com
Again In the right panel, locate and delete the entry:
URLUpdateInfo = http://www.Freegamia.com
Again In the right panel, locate and delete the entry:
NoModify = "1" <li></ul>
Again In the right panel, locate and delete the entry:
NoRepair = "1"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings
In the right panel, locate and delete the entry:
ProxyEnable = "1"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Connections
In the right panel, locate and delete the entry:
SavedLegacySettings = {Hex values}
Close Registry Editor.

Step 5

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.

%User Temp%\is-{5 Random Characters}.tmp\{Random Characters}.tmp
%User Temp%\is-{5 Random Characters}.tmp\itdownload.dll
%User Temp%\is-{5 Random Characters}.tmp\rkinstaller.exe
%User Temp%\is-{5 Random Characters}.tmp\rkverify.exe
%Program Files%\Snow Man\unins000.dat
%Program Files%\Snow Man\is-{5 Random Characters}.tmp
%Program Files%\is-{5 Random Characters}.tmp
%All Users Profile%\Microsoft\Windows\Start Menu\Programs\Snow Man\Snow Man.lnk
%All Users Profile%\Microsoft\Windows\Start Menu\Programs\Snow Man\Snow Man on the Web.lnk
%All Users Profile%\Microsoft\Windows\Start Menu\Programs\Snow Man\Uninstall Snow Man.lnk
%Desktop%\Falco Space - Online Game!.lnk
%Desktop%\FalconLine Online Games Website.lnk
%Desktop%\FalcoGo WebGL Games!.lnk
%Desktop%\Free Games Downloads!.lnk
%Program Files%\Snow Man\Snow Man.url
%User Temp%\CSMD250.tmp
%System%\wbem\repository\WRITABLE.TST
%Program Files%\Snow Man\unins000.exe
%Program Files%\Snow Man\Game.exe
%Program Files%\Snow Man\SnowMan.exe
%Program Files%\FalcoSpace.ico
%Program Files%\FalcoSpace.url
%Program Files%\FalconLine.ico
%Program Files%\FalconLine.url
%Program Files%\Falco.ico
%Program Files%\Falco.url
%Program Files%\FalcoGo.ico
%Program Files%\FalcoGo.url

Step 6

Scan your computer with your Trend Micro product to delete files detected as Adware.Win32.FUSIONCORE.AF 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 7

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.

RESTORE

Close Registry Editor.

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