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PUA_DRIVERPACK.GB

May 09, 2018
 Analysis by: Wilbert Vidal
 ALIASES:

PUA:Win32/DriverPack (Microsoft); W32/DriverPack.A (F-Prot)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 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.

  TECHNICAL DETAILS

File Size:

2,290,808 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

08 May 2018

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.

Installation

This Potentially Unwanted Application adds the following folders:

  • %User Temp%\7ZipSfx.000
  • %User Temp%\7ZipSfx.000\bin\
  • %User Temp%\7ZipSfx.000\bin\tools\
  • %User Temp%\7ZipSfx.000\bin\languages\
  • %User Temp%\7ZipSfx.000\drivers\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\
  • %User Temp%\7ZipSfx.000\bin\tools\modules

(Note: %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.)

It drops the following files:

  • %User Temp%\7ZipSfx.000\bin\loading.gif
  • %User Temp%\7ZipSfx.000\bin\globe.png
  • %User Temp%\7ZipSfx.000\bin\med_logo_dark_new.png
  • %User Temp%\7ZipSfx.000\bin\tools\Icon.ico
  • %User Temp%\7ZipSfx.000\bin\tools\init.cmd
  • %User Temp%\7ZipSfx.000\bin\tools\dpinst.xml
  • %User Temp%\7ZipSfx.000\bin\DriverPack.html
  • %User Temp%\7ZipSfx.000\bin\styles.css
  • %User Temp%\7ZipSfx.000\bin\tools\run.hta
  • %User Temp%\7ZipSfx.000\bin\bluebird.js
  • %User Temp%\7ZipSfx.000\bin\languages\en.js
  • %User Temp%\7ZipSfx.000\bin\language.js
  • %User Temp%\7ZipSfx.000\bin\main.js
  • %User Temp%\7ZipSfx.000\bin\polyfills.js
  • %User Temp%\7ZipSfx.000\bin\languages\ru.js
  • %User Temp%\7ZipSfx.000\bin\tools\start.js
  • %User Temp%\7ZipSfx.000\bin\tools\patch.reg
  • %User Temp%\7ZipSfx.000\bin\tools\dpinst.exe
  • %User Temp%\7ZipSfx.000\bin\tools\dpinst64.exe
  • %User Temp%\7ZipSfx.000\bin\tools\DriverPack-Notifier.exe
  • %User Temp%\7ZipSfx.000\bin\tools\driverpack-wget.exe
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkA2dp.inf
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkAvrcp.inf
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkAvrcpCtrlr.inf
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkHandsfree.inf
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkHfp.inf
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\Rtkfilter.inf
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\rtka2dp.cat
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\rtkavrcp.cat
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\rtkavrcpctrlr.cat
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\rtkfilter.cat
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\rtkhandsfree.cat
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\rtkhfp.cat
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkA2dp.sys
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkAvrcp.sys
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkAvrcpCtrlr.sys
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkBtfilter.sys
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkHandsfree.sys
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\RtkHfp.sys
  • %User Temp%\7ZipSfx.000\bin\tools\modules\clientid.js

(Note: %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.)

It drops and executes the following files:

  • %User Temp%\7ZipSfx.000\DriverPack.exe

(Note: %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.)

Other Details

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

  • {BLOCKED}.yandex.ru
  • {BLOCKED}.drp.su

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

1.947.52

SSAPI PATTERN Date:

08 May 2018

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

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

Search and delete this folder

[ 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 Temp%\7ZipSfx.000
  • %User Temp%\7ZipSfx.000\bin\
  • %User Temp%\7ZipSfx.000\bin\tools\
  • %User Temp%\7ZipSfx.000\bin\languages\
  • %User Temp%\7ZipSfx.000\drivers\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\
  • %User Temp%\7ZipSfx.000\drivers\DP_Bluetooth_18042\Realtek\FORCED\7x64\1.3.905.1003\
  • %User Temp%\7ZipSfx.000\bin\tools\modules

Step 4

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