PUA_DRIVERPACK


 ALIASES:

PUA.DriverPack (Symantec)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan 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:

916,888 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

08 May 2017

Arrival Details

This Trojan 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 Trojan creates the following folders:

  • %Program Files%\DriverPack Notifier
  • %Program Files%\DriverPack Notifier\bin\Tools\icons
  • %Program Files%\DriverPack Notifier\bin\Tools
  • %Program Files%\DriverPack Notifier\bin
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier
  • %User Profile%\Application Data\DriverPack Notifier
  • %User Profile%\DriverPack Notifier\data
  • %User Profile%\Application Data\DRPSu
  • %User Profile%\DRPSu\events

(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.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
DriverPack Notifier = "%Program Files%\DriverPack Notifier\DriverPackNotifier.exe --run startup"

Other System Modifications

This Trojan adds the following registry keys:

HKEY_CURRENT_USER\SOFTWARE\drpsu

HKEY_LOCAL_MACHINE\SOFTWARE\drpsu

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
DriverPack Notifier

It adds the following registry entries:

HKEY_CURRENT_USER\Software\drpsu
clientId = "572546128.4550001376"

HKEY_LOCAL_MACHINE\SOFTWARE\drpsu
clientId = "572546128.4550001376"

HKEY_LOCAL_MACHINE\SOFTWARE\drpsu
computerId = "821960095.7976282923"

HKEY_CURRENT_USER\Software\drpsu
computerId = "821960095.7976282923"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DriverPack Notifier
DisplayName = "DriverPack Notifier"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DriverPack Notifier
UninstallString = "%Program Files%\DriverPack Notifier\Uninstall.exe --uninstall"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DriverPack Notifier
DisplayVersion = "2.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DriverPack Notifier
DisplayIcon = "%Program Files%\DriverPack Notifier\Icon.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DriverPack Notifier
Publisher = "DriverPack Solution"

Dropping Routine

This Trojan drops the following files:

  • %Program Files%\DriverPack Notifier\bin\Tools\icons\blank.gif
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\loading.gif
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier\64.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\close.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\drp.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\file-icon.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-battery-failure.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-battery.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-celcium.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-chipset.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-cooler.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-danger.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-fire.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-harddrive.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-phone.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-ram.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-security.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-success.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-tip.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-tool.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-usb.png
  • %Program Files%\DriverPack Notifier\Icon.ico
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier\notifier.hta
  • %Program Files%\DriverPack Notifier\bin\Tools\run.hta
  • %Program Files%\DriverPack Notifier\bin\Tools\main.js
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier\notification.js
  • %Program Files%\DriverPack Notifier\DriverPackNotifier.exe
  • %Program Files%\DriverPack Notifier\Uninstall.exe
  • %Program Files%\DriverPack Notifier\bin\Tools\wget.exe

(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.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • {BLOCKED}0.1
  • {BLOCKED}.47.82
  • {BLOCKED}.134.119
  • {BLOCKED}7.6.46

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.8

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

Restart in Safe Mode

[ Learn More ]

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_CURRENT_USER\SOFTWARE
    • drpsu
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • drpsu
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • DriverPack Notifier

Step 4

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    • DriverPack Notifier = "%Program Files%\DriverPack Notifier\DriverPackNotifier.exe --run startup"
  • In HKEY_CURRENT_USER\Software\drpsu
    • clientId = "572546128.4550001376"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\drpsu
    • clientId = "572546128.4550001376"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\drpsu
    • computerId = "821960095.7976282923"
  • In HKEY_CURRENT_USER\Software\drpsu
    • computerId = "821960095.7976282923"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DriverPack Notifier
    • DisplayName = "DriverPack Notifier"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DriverPack Notifier
    • UninstallString = "%Program Files%\DriverPack Notifier\Uninstall.exe --uninstall"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DriverPack Notifier
    • DisplayVersion = "2.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DriverPack Notifier
    • DisplayIcon = "%Program Files%\DriverPack Notifier\Icon.ico"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DriverPack Notifier
    • Publisher = "DriverPack Solution"

Step 5

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.
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\blank.gif
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\loading.gif
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier\64.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\close.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\drp.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\file-icon.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-battery-failure.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-battery.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-celcium.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-chipset.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-cooler.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-danger.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-fire.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-harddrive.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-phone.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-ram.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-security.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-success.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-tip.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-tool.png
  • %Program Files%\DriverPack Notifier\bin\Tools\icons\gliph-usb.png
  • %Program Files%\DriverPack Notifier\Icon.ico
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier\notifier.hta
  • %Program Files%\DriverPack Notifier\bin\Tools\run.hta
  • %Program Files%\DriverPack Notifier\bin\Tools\main.js
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier\notification.js
  • %Program Files%\DriverPack Notifier\DriverPackNotifier.exe
  • %Program Files%\DriverPack Notifier\Uninstall.exe
  • %Program Files%\DriverPack Notifier\bin\Tools\wget.exe

Step 6

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%\DriverPack Notifier
  • %Program Files%\DriverPack Notifier\bin\Tools\icons
  • %Program Files%\DriverPack Notifier\bin\Tools
  • %Program Files%\DriverPack Notifier\bin
  • %Program Files%\DriverPack Notifier\bin\Tools\notifier
  • %User Profile%\Application Data\DriverPack Notifier
  • %User Profile%\DriverPack Notifier\data
  • %User Profile%\Application Data\DRPSu
  • %User Profile%\DRPSu\events

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as PUA_DRIVERPACK. 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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