PUA.Win32.DriverUpdate.H

November 05, 2019
 ALIASES:

Trojan.Win32.Generic!BT (Sunbelt)

 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:

18,167,440 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

04 Nov 2019

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 processes:

  • "%User Temp%\nszF46F.tmp\ga_utility.exe" -install_start -guid "F386E423-142A-4A85-A120-B8F5A08478F0" -language "en" -app_version "5.31.2.2" -product_code "DU" -app_name "WinZip Driver Updater" -track_id "UA-66457935-11"
  • %User Temp%\nszF46F.tmp\WinZipSmartMonitorSetup.exe
  • "%Program Files%\WinZip Smart Monitor\Settings.exe" /RegServer
  • "%Program Files%\WinZip Smart Monitor\WinZip Smart Monitor Service.exe" /Service
  • sc start "WinZip Smart Monitor Service"
  • "%Program Files%\WinZip Smart Monitor\WinZip Smart Monitor Service.exe"
  • %System%\svchost.exe -k netsvcs

(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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

It creates the following folders:

  • %Program Files%\WinZip Driver Updater\offline\learnmore
  • %Program Files%\WinZip Driver Updater\offline\registration\it
  • %Program Files%\WinZip Driver Updater\offline\registration\ja
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\nl
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\no
  • %Program Files%\WinZip Driver Updater\offline\registration\ru
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\ru
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\fr
  • %Program Files%\WinZip Driver Updater\offline\learnmore\files
  • %Program Files%\WinZip Driver Updater\offline\registration\sv
  • %All Users Profile%\WinZip
  • %All Users Profile%\WinZip\WinZip Driver Updater\Language
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\de
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\sv
  • %Program Files%\WinZip Driver Updater
  • %Program Files%\WinZip Driver Updater\offline\registration\de
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\pt-br
  • %Program Files%\WinZip Driver Updater\offline\registration\fr
  • %Program Files%\WinZip Driver Updater\offline\registration\tr
  • %Program Files%\WinZip Driver Updater\offline\exitdialog
  • %Program Files%\WinZip Smart Monitor
  • %Program Files%\WinZip Driver Updater\offline\registration\zh-tw
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\ja
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\da
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\it
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\zh-tw
  • %Program Files%\WinZip Driver Updater\offline\learnmore\dpi_125
  • %Program Files%\WinZip Driver Updater\offline\registration\fi
  • %Program Files%\WinZip Driver Updater\offline\registration\files
  • %Program Files%\WinZip Driver Updater\offline\registration\nl
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\en
  • %All Users Profile%\WinZip\WinZip Driver Updater
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\fi
  • %Program Files%\WinZip Driver Updater\offline\registration
  • %All Users Profile%\WinZip\WinZip Smart Monitor\S-1-5-21-3727720086-1700253303-109744735-1000
  • %Program Files%\WinZip Driver Updater\offline\registration\en
  • %Program Files%\WinZip Driver Updater\offline\registration\pt-br
  • %Program Files%\WinZip Driver Updater\offline\registration\da
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\files
  • %Program Files%\WinZip Driver Updater\offline\registration\no
  • %Program Files%\WinZip Driver Updater\offline\learnmore\dpi_175
  • %Program Files%\WinZip Driver Updater\offline\registration\es
  • %All Users Profile%\WinZip\WinZip Driver Updater\S-1-5-21-3727720086-1700253303-109744735-1000
  • %All Users Profile%\WinZip\WinZip Smart Monitor
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\es
  • %Program Files%\WinZip Driver Updater\offline\exitdialog\tr
  • %Program Files%\WinZip Driver Updater\offline

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

Autostart Technique

This Potentially Unwanted Application registers itself as a system service to ensure its automatic execution at every system startup by adding the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\WinZip Smart Monitor Service
ImagePath = "%Program Files%\WinZip Smart Monitor\WinZip Smart Monitor Service.exe"

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\.exe

HKEY_CLASSES_ROOT\WinZip.SMSettings.1.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings.1.1\CLSID

HKEY_CLASSES_ROOT\WinZip.SMSettings

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings\CurVer

HKEY_CURRENT_USER\Software\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\LocalServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\Version

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{2CA75AD3-A844-4DF9-999D-CB82069C55C3}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\WinZip Smart Monitor Service.exe

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{B4838C68-197D-43FA-995A-8E691EBE14FD}
(Default) = ""

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\.exe
AppID = "{B4838C68-197D-43FA-995A-8E691EBE14FD}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings.1.1
(Default) = "WinZipSmartMonitor settings"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings.1.1\CLSID
(Default) = "{B5E0AC71-16D8-4F94-BD38-6373721A3995}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings
(Default) = "SMSettings Class"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings\CLSID
(Default) = "{B5E0AC71-16D8-4F94-BD38-6373721A3995}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
WinZip.SMSettings\CurVer
(Default) = "WinZip.SMSettings.1.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}
(Default) = "SMSettings"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\ProgID
(Default) = "WinZip.SMSettings.1.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\LocalServer32
(Default) = "%Program Files%\WinZip Smart Monitor\Settings.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}
AppID = "{B4838C68-197D-43FA-995A-8E691EBE14FD}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\TypeLib
(Default) = "{CEC67385-D765-4B64-BCBD-888BA1DDFC09}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{B5E0AC71-16D8-4F94-BD38-6373721A3995}\Version
(Default) = "1.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{2CA75AD3-A844-4DF9-999D-CB82069C55C3}
(Default) = "WinZip Smart Monitor Service"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\WinZip Smart Monitor Service.exe
AppID = "{2CA75AD3-A844-4DF9-999D-CB82069C55C3}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{2CA75AD3-A844-4DF9-999D-CB82069C55C3}
LocalService = "WinZip Smart Monitor Service"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\TrustedInstaller
Start = "2"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\TrustedInstaller
Start = "3"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\WinZip Smart Monitor Service
DisplayName = "WinZip Smart Monitor Service"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\WinZip Smart Monitor Service
Start = "SERVICE_DEMAND_START"

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

2.231.00

SSAPI PATTERN Date:

07 Nov 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as PUA.Win32.DriverUpdate.H

[ 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.Win32.DriverUpdate.H 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.Win32.DriverUpdate.H. 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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