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PUA_REGISTRYBOOSTER.GA

January 05, 2018
 Analysis by: John Anthony Banes
 ALIASES:

PUP.Optional.Uniblue.A (MalwareBytes)

 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. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

6,965,840 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

06 Dec 2017

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.

It may be manually installed by a user.

Installation

This Potentially Unwanted Application drops the following files:

  • %Application Data%\Microsoft\Internet Explorer\Quick Launch\Uniblue RegistryBooster.lnk
  • %Desktop%\Uniblue RegistryBooster.lnk
  • %Program Files%\Uniblue\RegistryBooster\cwebpage.dll
  • %Program Files%\Uniblue\RegistryBooster\InstallerExtensions.dll
  • %Program Files%\Uniblue\RegistryBooster\intermediate_views.dat
  • %Program Files%\Uniblue\RegistryBooster\Launcher.exe
  • %Program Files%\Uniblue\RegistryBooster\library.dat
  • %Program Files%\Uniblue\RegistryBooster\locale\br\br.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\br\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\de\de.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\de\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\dk\dk.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\dk\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\en\en.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\en\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\es\es.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\es\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\fi\fi.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\fi\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\fr\fr.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\fr\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\gr\gr.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\gr\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\it\it.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\it\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\jp\jp.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\jp\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\nl\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\nl\nl.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\no\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\no\no.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\pl\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\pl\pl.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\pt\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\pt\pt.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\ru\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\ru\ru.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\se\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\se\se.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\tr\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\tr\tr.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\xs\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\xs\xs.dll
  • %Program Files%\Uniblue\RegistryBooster\locale\xt\LC_MESSAGES\messages.mo
  • %Program Files%\Uniblue\RegistryBooster\locale\xt\xt.dll
  • %Program Files%\Uniblue\RegistryBooster\Microsoft.VC90.CRT.manifest
  • %Program Files%\Uniblue\RegistryBooster\msvcp90.dll
  • %Program Files%\Uniblue\RegistryBooster\msvcr90.dll
  • %Program Files%\Uniblue\RegistryBooster\rb_move_serial.exe
  • %Program Files%\Uniblue\RegistryBooster\rb_ubm.exe
  • %Program Files%\Uniblue\RegistryBooster\rbmonitor.exe
  • %Program Files%\Uniblue\RegistryBooster\rbnotifier.exe
  • %Program Files%\Uniblue\RegistryBooster\registrybooster.exe
  • %Program Files%\Uniblue\RegistryBooster\repair_transform.xsl
  • %Program Files%\Uniblue\RegistryBooster\settings.ini
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\comtypes.txt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\cwebpage.dll.html
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\decorator.py.txt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\ordereddict.py.txt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\py2exe.txt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\python.txt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\python-changes.txt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\simplejson.txt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms\wmi.txt
  • %Program Files%\Uniblue\RegistryBooster\views.dat
  • %ProgramData%\{GUID}\{GUID}.native.bitness.log
  • %ProgramData%\{GUID}\{GUID}.native.data.log
  • %ProgramData%\{GUID}\{GUID}.native.elements.log
  • %ProgramData%\{GUID}\{GUID}.native.weight.log
  • %ProgramData%\{GUID}\bm_installer.dat
  • %ProgramData%\{GUID}\bm_installer.exe
  • %ProgramData%\{GUID}\bm_installer.lan
  • %ProgramData%\{GUID}\bm_installer.lnk
  • %ProgramData%\{GUID}\bm_installer.par
  • %ProgramData%\{GUID}\bm_installer.res
  • %ProgramData%\{GUID}\instance.dat
  • %ProgramData%\{GUID}\mia.lib
  • %Start Menu%\Programs\Uniblue\RegistryBooster\をアンインストールRegistryBooster.lnk
  • %Start Menu%\Programs\Uniblue\RegistryBooster\RegistryBooster.lnk

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %ProgramData% is the Program Data folder, where it usually is C:\Program Files in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It creates the following folders:

  • %Program Files%\Uniblue\
  • %Program Files%\Uniblue\RegistryBooster
  • %Program Files%\Uniblue\RegistryBooster\locale
  • %Program Files%\Uniblue\RegistryBooster\locale\de
  • %Program Files%\Uniblue\RegistryBooster\locale\dk
  • %Program Files%\Uniblue\RegistryBooster\locale\en
  • %Program Files%\Uniblue\RegistryBooster\locale\es
  • %Program Files%\Uniblue\RegistryBooster\locale\fi
  • %Program Files%\Uniblue\RegistryBooster\locale\fr
  • %Program Files%\Uniblue\RegistryBooster\locale\gr
  • %Program Files%\Uniblue\RegistryBooster\locale\it
  • %Program Files%\Uniblue\RegistryBooster\locale\jp
  • %Program Files%\Uniblue\RegistryBooster\locale\nl
  • %Program Files%\Uniblue\RegistryBooster\locale\no
  • %Program Files%\Uniblue\RegistryBooster\locale\pl
  • %Program Files%\Uniblue\RegistryBooster\locale\pt
  • %Program Files%\Uniblue\RegistryBooster\locale\ru
  • %Program Files%\Uniblue\RegistryBooster\locale\se
  • %Program Files%\Uniblue\RegistryBooster\locale\tr
  • %Program Files%\Uniblue\RegistryBooster\locale\xs
  • %Program Files%\Uniblue\RegistryBooster\locale\xt
  • %Program Files%\Uniblue\RegistryBooster\Third Party Terms
  • %ProgramData%\{GUID}
  • %ProgramData%\{GUID}\{GUID}
  • %Start Menu%\Programs\Uniblue\
  • %Start Menu%\Programs\Uniblue\RegistryBooster

(Note: %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %ProgramData% is the Program Data folder, where it usually is C:\Program Files in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications\{initial filename}.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications\bm_installer.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2

HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan

HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan\
InstallAware

HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan\
InstallAware\Ident.Cache

HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan\
InstallAware\Ident.Cache\{GUID}

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications\bm_installer.exe
IsHostApp = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
LANG = Japanese

HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan\
InstallAware\Ident.Cache\{GUID}
VersionMajor = 6

HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan\
InstallAware\Ident.Cache\{GUID}
VersionMinor = 0

HKEY_LOCAL_MACHINE\SOFTWARE\MimarSinan\
InstallAware\Ident.Cache\{GUID}
(Default) = C:\ProgramData\{GUID}\

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
LANG = Japanese

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
set_scan = TRUE

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
InstalledLocation = %Program Files%\Uniblue\RegistryBooster\Launcher.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
LatestDownloadUrl = http://{BLOCKED}ad.{BLOCKED}e.com/ven/rb/insaneent/web/registrybooster.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
CampaignDownloadUrl = http://{BLOCKED}ad.{BLOCKED}ue.com/ven/rb/insaneent/web/registrybooster.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
PurchaseUrl = http://www.{BLOCKED}ities.com/products/campaigns/rbtrial/venorder/insaneentweb/

HKEY_LOCAL_MACHINE\SOFTWARE\Uniblue\
Registry Booster2
SuppressPurchaseParams = 0

Other Details

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

  • http://{BLOCKED}b.{BLOCKED}e.com.s3.amazonaws.com/latest_updates/application.txt
  • http://{BLOCKED}d.{BLOCKED}e.com/ubm/lhb?uuid={value}&p=RegistryBooster&v=6.0.7.2&a=scan

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

1.905.00

SSAPI PATTERN Date:

28 Dec 2017

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as PUA_REGISTRYBOOSTER.GA

[ 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

Remove PUA_REGISTRYBOOSTER.GA by using its own Uninstall option

[ Learn More ]
To uninstall the grayware process

Step 4

Scan your computer with your Trend Micro product to delete files detected as PUA_REGISTRYBOOSTER.GA. 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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