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ADW_MARKETSCORE
Malware type: Adware
Destructive: No
Platform: Windows 2000, Windows XP, Windows Server 2003
Encrypted: No
In the wild: Yes

Overview


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.

Technical Details


File size: 690,376 bytes
File type: EXE
Memory resident: Yes
Initial samples received date: 03 Oct 2012

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.

Installation

This adware drops the following files:

  • %User Temp%\nsr2E.tmp\rkverify.exe
  • %Program Files%\Drunken Obama\Drunken Obama.exe
  • %Program Files%\Drunken Obama\uninst.exe

(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, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.)

It creates the following folders:

  • %Program Files%\Drunken Obama

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)

Other System Modifications

This adware adds the following registry entries as part of its installation routine:

HKEY_CURRENT_USER\Software\GetFunGame
UID = "296451073"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\App Paths\
Drunken Obama.exe
{default} = "%Program Files%\Drunken Obama\Drunken Obama.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Drunken Obama
DisplayName = "Drunken Obama 1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Drunken Obama
UninstallString = "%Program Files%\Drunken Obama\uninst.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Drunken Obama
DisplayIcon = "%Program Files%\Drunken Obama\Drunken Obama.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Drunken Obama
DisplayVersion = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Drunken Obama
Publisher = "GetFunGame"

It adds the following registry keys as part of its installation routine:

HKEY_CURRENT_USER\Software\GetFunGame

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\App Paths\
Drunken Obama.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Drunken Obama

Other Details

This adware connects to the following possibly malicious URL:

  • http://{BLOCKED}game.com

Solution


Minimum scan engine: 9.200
SSAPI Pattern File: 1.334.01
SSAPI Pattern Release Date: 03 Oct 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

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. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.

  • In HKEY_CURRENT_USER\Software
    • GetFunGame
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths
    • Drunken Obama.exe
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • Drunken Obama

Step 3

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.
  • %Program Files%\Drunken Obama

Step 4

Search and delete this file

[ Learn more ]
There may be some component 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%\nsr2E.tmp\rkverify.exe

Step 5

Scan your computer with your Trend Micro product to delete files detected as ADW_MARKETSCORE. 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 this Knowledge Base page for more information.


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Analysis By: Automation
Modified By: Sabrina Lei Sioting

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