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HackTool.Win32.GameHack.VHUIYU

January 20, 2020
 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Hacking Tool 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:

1,581,248 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

20 Jan 2020

Arrival Details

This Hacking Tool 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 Hacking Tool adds the following processes:

  • "%User Profile%\Cheathappens\Work\Runtime\~CheathappensTrainer982.tmp" "16744820695884" "{malware file path and name}"

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

It creates the following folders:

  • %User Profile%\Cheathappens\Work\Runtime\Version
  • %User Profile%\Cheathappens\Work\Runtime
  • %User Profile%\Cheathappens\Work
  • %User Profile%\Cheathappens
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#embedwistia-a.akamaihd.net
  • %User Profile%\Cheathappens\Debug
  • %User Profile%\Cheathappens\Keys

Other System Modifications

This Hacking Tool deletes the following files:

  • %Application Data%\Macromedia\Flash Player\#SharedObjects\K48846QH\embedwistia-a.akamaihd.net\flash\embed_player_v2.0.swf\settings.sxx

(Note: %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).)

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
DirectInput\MostRecentApplication
Version = "\x00\x07\x00\x00"

HKEY_CURRENT_USER\Software\Microsoft\
DirectInput\MostRecentApplication
Name = "~CHEATHAPPENSTRAINER982.TMP"

HKEY_CURRENT_USER\Software\Microsoft\
DirectInput\MostRecentApplication
Id = "~CHEATHAPPENSTRAINER982.TMP5A72405E000C8200"

HKEY_CURRENT_USER\Software\Microsoft\
DirectInput\MostRecentApplication
MostRecentStart = "\xc9\x03\xc9I\x8f[\xd5\x01"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\DirectDraw\MostRecentApplication
Name = "~CheathappensTrainer982.tmp"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\DirectDraw\MostRecentApplication
ID = "1517437022"

Dropping Routine

This Hacking Tool drops the following files:

  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#embedwistia-a.akamaihd.net\settings.sxx
  • %User Temp%\Options
  • %User Profile%\Cheathappens\Work\Runtime\inetcheck.dat
  • %Application Data%\Macromedia\Flash Player\#SharedObjects\K48846QH\embedwistia-a.akamaihd.net\flash\embed_player_v2.0.swf\settings.sol
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\3UYAQU1F\www.cheathappens[1].xml
  • %User Temp%\5.ogg
  • %User Profile%\Cheathappens\Debug\Bioshock Remastered.debug
  • %User Temp%\4.ogg
  • %User Temp%\6.ogg
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sol
  • %User Temp%\1.ogg
  • %User Temp%\3.ogg
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#embedwistia-a.akamaihd.net\settings.sol
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sxx
  • %User Temp%\CH.dll
  • %User Profile%\Cheathappens\Work\Runtime\~CheathappensTrainer982.tmp
  • %User Temp%\help.txt
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %User Temp%\0.ogg
  • %User Profile%\Cheathappens\Work\Runtime\cheathappens.net
  • %User Temp%\7.ogg

Other Details

This Hacking Tool connects to the following possibly malicious URL:

  • http://www.{BLOCKED}appens.com/inetcheck.txt
  • http://www.{BLOCKED}appens.com/unauthorized/129749208.zip
  • http://www.{BLOCKED}appens.com/trainer_troubleshooting_lite.asp
  • http://www.{BLOCKED}tagmanager.com
  • http://d31qbv1cthcecs.{BLOCKED}ront.net
  • http://fonts.{BLOCKED}apis.com
  • http://www.{BLOCKED}tagservices.com
  • http://fast.{BLOCKED}a.com
  • http://embedwistia-a.{BLOCKED}hd.net
  • http://distillery.{BLOCKED}a.com
  • http://pipedream.{BLOCKED}a.com

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.850

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

Identify and terminate files detected as HackTool.Win32.GameHack.VHUIYU

[ 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 3

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\DirectInput\MostRecentApplication
    • Version = "\x00\x07\x00\x00"
  • In HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
    • Name = "~CHEATHAPPENSTRAINER982.TMP"
  • In HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
    • Id = "~CHEATHAPPENSTRAINER982.TMP5A72405E000C8200"
  • In HKEY_CURRENT_USER\Software\Microsoft\DirectInput\MostRecentApplication
    • MostRecentStart = "\xc9\x03\xc9I\x8f[\xd5\x01"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\DirectDraw\MostRecentApplication
    • Name = "~CheathappensTrainer982.tmp"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\DirectDraw\MostRecentApplication
    • ID = "1517437022"

Step 4

Search and delete these components

[ Learn More ]
There may be some components 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.
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#embedwistia-a.akamaihd.net\settings.sxx
  • %User Temp%\Options
  • %User Profile%\Cheathappens\Work\Runtime\inetcheck.dat
  • %Application Data%\Macromedia\Flash Player\#SharedObjects\K48846QH\embedwistia-a.akamaihd.net\flash\embed_player_v2.0.swf\settings.sol
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\3UYAQU1F\www.cheathappens[1].xml
  • %User Temp%\5.ogg
  • %User Profile%\Cheathappens\Debug\Bioshock Remastered.debug
  • %User Temp%\4.ogg
  • %User Temp%\6.ogg
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sol
  • %User Temp%\1.ogg
  • %User Temp%\3.ogg
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#embedwistia-a.akamaihd.net\settings.sol
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sxx
  • %User Temp%\CH.dll
  • %User Profile%\Cheathappens\Work\Runtime\~CheathappensTrainer982.tmp
  • %User Temp%\help.txt
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %User Temp%\0.ogg
  • %User Profile%\Cheathappens\Work\Runtime\cheathappens.net
  • %User Temp%\7.ogg

Step 5

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.
  • %User Profile%\Cheathappens\Work\Runtime\Version
  • %User Profile%\Cheathappens\Work\Runtime
  • %User Profile%\Cheathappens\Work
  • %User Profile%\Cheathappens
  • %Application Data%\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\#embedwistia-a.akamaihd.net
  • %User Profile%\Cheathappens\Debug
  • %User Profile%\Cheathappens\Keys

Step 6

Scan your computer with your Trend Micro product to delete files detected as HackTool.Win32.GameHack.VHUIYU. 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

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %Application Data%\Macromedia\Flash Player\#SharedObjects\K48846QH\embedwistia-a.akamaihd.net\flash\embed_player_v2.0.swf\settings.sxx


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