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PUA_AUSLOGICS

May 08, 2017
 Analysis by: Cris Nowell Pantanilla
 ALIASES:

a variant of Win32/Auslogics.A potentially unwanted (ESET-NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet


This Potentially Unwanted Application may be unknowingly downloaded by a user while visiting malicious websites. It may be manually installed by a user.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size:

387,072 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

12 Nov 2016

Payload:

Connects to URLs/IPs

Arrival Details

This Potentially Unwanted Application may be unknowingly downloaded by a user while visiting malicious websites.

It may be manually installed by a user.

Installation

This Potentially Unwanted Application drops the following file(s)/component(s):

  • %All Users Profile%\Start Menu\Programs\TweakBit\Driver Updater\TweakBit Driver Updater on the Web.url
  • %All Users Profile%\Start Menu\Programs\TweakBit\Driver Updater\TweakBit Driver Updater.lnk
  • %All Users Profile%\Start Menu\Programs\TweakBit\PCSpeedUp\TweakBit PC SpeedUp on the Web.url
  • %All Users Profile%\Start Menu\Programs\TweakBit\PCSpeedUp\TweakBit PC SpeedUp.lnk
  • %Desktop%\TweakBit Driver Updater.lnk
  • %Desktop%\TweakBit PCSpeedUp.lnk
  • %User Temp%\_Del_2AC02BED-480E-4564-9122-78206DF1326C_driver_updater_setup\AxComponentsRTL.bpl
  • %User Temp%\_Del_2AC02BED-480E-4564-9122-78206DF1326C_driver_updater_setup\GA.json
  • %User Temp%\_Del_2AC02BED-480E-4564-9122-78206DF1326C_driver_updater_setup\GASender.exe
  • %User Temp%\_Del_2AC02BED-480E-4564-9122-78206DF1326C_driver_updater_setup\GoogleAnalyticsHelper.dll
  • %User Temp%\_Del_2AC02BED-480E-4564-9122-78206DF1326C_driver_updater_setup\rtl160.bpl
  • %User Temp%\_Del_pc-speed-up-setup\AxComponentsRTL.bpl
  • %User Temp%\_Del_pc-speed-up-setup\GA.json
  • %User Temp%\_Del_pc-speed-up-setup\GASender.exe
  • %User Temp%\_Del_pc-speed-up-setup\GoogleAnalyticsHelper.dll
  • %User Temp%\_Del_pc-speed-up-setup\rtl160.bpl
  • %Program Files%\TweakBit\Driver Updater\ATDriverUpdater.dll
  • %Program Files%\TweakBit\Driver Updater\ATPopupsHelper.dll
  • %Program Files%\TweakBit\Driver Updater\ATUpdatersHelper.dll
  • %Program Files%\TweakBit\Driver Updater\AxBrowsers.dll
  • %Program Files%\TweakBit\Driver Updater\AxComponentsRTL.bpl
  • %Program Files%\TweakBit\Driver Updater\AxComponentsVCL.bpl
  • %Program Files%\TweakBit\Driver Updater\CommonForms.Routine.dll
  • %Program Files%\TweakBit\Driver Updater\CommonForms.Site.dll
  • %Program Files%\TweakBit\Driver Updater\CommonForms.dll
  • %Program Files%\TweakBit\Driver Updater\DPInst32.exe
  • %Program Files%\TweakBit\Driver Updater\Data\main.ini
  • %Program Files%\TweakBit\Driver Updater\DebugHelper.dll
  • %Program Files%\TweakBit\Driver Updater\Downloader.exe
  • %Program Files%\TweakBit\Driver Updater\DriverHiveEngine.dll
  • %Program Files%\TweakBit\Driver Updater\DriverUpdater.exe
  • %Program Files%\TweakBit\Driver Updater\DriverUpdater.url
  • %Program Files%\TweakBit\Driver Updater\EULA.rtf
  • %Program Files%\TweakBit\Driver Updater\GASender.exe
  • %Program Files%\TweakBit\Driver Updater\GoogleAnalyticsHelper.dll
  • %Program Files%\TweakBit\Driver Updater\Lang\deu.lng
  • %Program Files%\TweakBit\Driver Updater\Lang\enu.lng
  • %Program Files%\TweakBit\Driver Updater\Lang\esp.lng
  • %Program Files%\TweakBit\Driver Updater\Lang\fra.lng
  • %Program Files%\TweakBit\Driver Updater\Lang\installer_deu.ini
  • %Program Files%\TweakBit\Driver Updater\Lang\installer_enu.ini
  • %Program Files%\TweakBit\Driver Updater\Lang\installer_esp.ini
  • %Program Files%\TweakBit\Driver Updater\Lang\installer_fra.ini
  • %Program Files%\TweakBit\Driver Updater\Localizer.dll
  • %Program Files%\TweakBit\Driver Updater\ProductHelper.dll
  • %Program Files%\TweakBit\Driver Updater\RescueCenterForm.dll
  • %Program Files%\TweakBit\Driver Updater\RescueCenterHelper.dll
  • %Program Files%\TweakBit\Driver Updater\SendDebugLog.exe
  • %Program Files%\TweakBit\Driver Updater\ServiceManagerHelper.dll
  • %Program Files%\TweakBit\Driver Updater\SettingsHelper.dll
  • %Program Files%\TweakBit\Driver Updater\SystemInformationHelper.dll
  • %Program Files%\TweakBit\Driver Updater\TaskSchedulerHelper.dll
  • %Program Files%\TweakBit\Driver Updater\WizardHelper.dll
  • %Program Files%\TweakBit\Driver Updater\rtl160.bpl
  • %Program Files%\TweakBit\Driver Updater\sqlite3.dll
  • %Program Files%\TweakBit\Driver Updater\unins000.dat
  • %Program Files%\TweakBit\Driver Updater\unins000.exe
  • %Program Files%\TweakBit\Driver Updater\unins000.msg
  • %Program Files%\TweakBit\Driver Updater\vcl160.bpl
  • %Program Files%\TweakBit\Driver Updater\vclimg160.bpl
  • %Program Files%\TweakBit\PCSpeedUp\ATPopupsHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\ATUpdatersHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\AxBrowsers.dll
  • %Program Files%\TweakBit\PCSpeedUp\AxComponentsRTL.bpl
  • %Program Files%\TweakBit\PCSpeedUp\AxComponentsVCL.bpl
  • %Program Files%\TweakBit\PCSpeedUp\CommonForms.Routine.dll
  • %Program Files%\TweakBit\PCSpeedUp\CommonForms.Site.dll
  • %Program Files%\TweakBit\PCSpeedUp\CommonForms.dll
  • %Program Files%\TweakBit\PCSpeedUp\Data\main.ini
  • %Program Files%\TweakBit\PCSpeedUp\DebugHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\DiskCleanerHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\DiskDefragHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\DiskWipeHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\Downloader.exe
  • %Program Files%\TweakBit\PCSpeedUp\EULA.rtf
  • %Program Files%\TweakBit\PCSpeedUp\GASender.exe
  • %Program Files%\TweakBit\PCSpeedUp\GoogleAnalyticsHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\InternetOptimizerHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\Lang\deu.lng
  • %Program Files%\TweakBit\PCSpeedUp\Lang\enu.lng
  • %Program Files%\TweakBit\PCSpeedUp\Lang\esp.lng
  • %Program Files%\TweakBit\PCSpeedUp\Lang\fra.lng
  • %Program Files%\TweakBit\PCSpeedUp\Lang\installer_deu.ini
  • %Program Files%\TweakBit\PCSpeedUp\Lang\installer_enu.ini
  • %Program Files%\TweakBit\PCSpeedUp\Lang\installer_esp.ini
  • %Program Files%\TweakBit\PCSpeedUp\Lang\installer_fra.ini
  • %Program Files%\TweakBit\PCSpeedUp\Localizer.dll
  • %Program Files%\TweakBit\PCSpeedUp\PCSpeedUp.exe
  • %Program Files%\TweakBit\PCSpeedUp\PCSpeedUp.url
  • %Program Files%\TweakBit\PCSpeedUp\ProductHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\RegistryCleanerHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\RescueCenterForm.dll
  • %Program Files%\TweakBit\PCSpeedUp\RescueCenterHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\SendDebugLog.exe
  • %Program Files%\TweakBit\PCSpeedUp\ServiceManagerHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\SettingsHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\SystemInformationHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\TaskSchedulerHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\TweakManagerHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\VolumesHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\WizardHelper.dll
  • %Program Files%\TweakBit\PCSpeedUp\rtl160.bpl
  • %Program Files%\TweakBit\PCSpeedUp\sqlite3.dll
  • %Program Files%\TweakBit\PCSpeedUp\unins000.dat
  • %Program Files%\TweakBit\PCSpeedUp\unins000.exe
  • %Program Files%\TweakBit\PCSpeedUp\unins000.msg
  • %Program Files%\TweakBit\PCSpeedUp\vcl160.bpl
  • %Program Files%\TweakBit\PCSpeedUp\vclie160.bpl
  • %Program Files%\TweakBit\PCSpeedUp\vclimg160.bpl

(Note: %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData 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.. %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp 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.. %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.)

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

HKEY_CLASSES_ROOT\CLSID\{4FB3AD54-02EB-52D8-C9FA-9F29040E3821}

HKEY_CURRENT_USER\Software\BSD

HKEY_LOCAL_MACHINE\SOFTWARE\Auslogics

HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit

HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\
Driver Updater

HKEY_LOCAL_MACHINE\SOFTWARE\TweakBit\
PCSpeedUp

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{2FFDD819-5ACF-49D5-9F18-980B42E5DA66}_is1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{62D64B30-6E10-4C49-95FE-EDD8F8165DED}_is1

Download Routine

This Potentially Unwanted Application connects to the following URL(s) to download its component file(s):

  • http://downloads.{BLOCKED}kbit.com/en/driver-updater/default/driver-updater-setup.exe
  • http://downloads.{BLOCKED}kbit.com/en/pc-speed-up/pc-speed-up-setup.exe

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

Other Details

This Potentially Unwanted Application connects to the following website to send and receive information:

  • http://www.{BLOCKED}kbit.com/

It does the following:

  • It creates the following scheduled tasks to execute a fake scan for some time:
    • %Windows%\Tasks\TweakBit Driver Updater Start Driver Updater ?n logon.job
    • %Windows%\Tasks\TweakBit Driver Updater Start Driver Updater automatic scanning.job
    • %Windows%\Tasks\TweakBit Driver Updater Time for deal.job
    • %Windows%\Tasks\TweakBit PCSpeedUp Start PCSpeedUp ?n logon.job
    • %Windows%\Tasks\TweakBit PCSpeedUp Time for deal.job

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

NOTES:
It displays the following system performance scan and fake errors:

  SOLUTION

Minimum Scan Engine:

9.800

SSAPI PATTERN File:

1.784.21

SSAPI PATTERN Date:

12 Nov 2016

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_AUSLOGICS

[ 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 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_CLASSES_ROOT\CLSID
    • {4FB3AD54-02EB-52D8-C9FA-9F29040E3821}
  • In HKEY_CURRENT_USER\Software
    • BSD
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • Auslogics
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • TweakBit
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • {2FFDD819-5ACF-49D5-9F18-980B42E5DA66}_is1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • {62D64B30-6E10-4C49-95FE-EDD8F8165DED}_is1

Step 4

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.  %All Users Profile%\Application Data\BSD
%All Users Profile%\Application Data\TweakBit
%All Users Profile%\Application Data\TweakBit\PCSpeedUp
%All Users Profile%\Start Menu\Programs\TweakBit
%All Users Profile%\Start Menu\Programs\TweakBit\Driver Updater
%All Users Profile%\Start Menu\Programs\TweakBit\PCSpeedUp
%Program Files%\TweakBit
%Program Files%\TweakBit\PCSpeedUp
%User Temp%\_Del_2AC02BED-480E-4564-9122-78206DF1326C_driver_updater_setup
%User Temp%\_Del_pc-speed-up-setup

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.
%Desktop%\TweakBit Driver Updater.lnk
%Desktop%\TweakBit PCSpeedUp.lnk
%Windows%\Tasks\TweakBit Driver Updater Start Driver Updater ?n logon.job
%Windows%\Tasks\TweakBit Driver Updater Start Driver Updater automatic scanning.job
%Windows%\Tasks\TweakBit Driver Updater Time for deal.job
%Windows%\Tasks\TweakBit PCSpeedUp Start PCSpeedUp ?n logon.job
%Windows%\Tasks\TweakBit PCSpeedUp Time for deal.job

Step 6

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