PUA_DRIVEROP

November 29, 2015

Analysis by: Francis Xavier Antazo

ALIASES:

PUP.Optional.DriverReviver (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.

TECHNICAL DETAILS

File Size: 4889808 bytes

File Type: EXE

Memory Resident: Yes

Initial Samples Received Date: 14 Oct 2015

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 drops and executes the following files:

%System Root%\64995afb-41f5-441d-adfd-f48cb03304dc.exe
%Program Files%\ReviverSoft\Driver Reviver\SRTray.exe
%Program Files%\ReviverSoft\Driver Reviver\DriverReviver.exe

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %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_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
DisplayName = Driver Reviver

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
InstallPath = "%Program Files%\ReviverSoft\Driver Reviver"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
UninstallString = "%Program Files%\ReviverSoft\Driver Reviver\Uninstall.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
DisplayIcon = "%Program Files%\ReviverSoft\Driver Reviver\DriverReviver.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
DisplayVersion = "5.3.2.16"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
Publisher = "ReviverSoft LLC"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
URLInfoAbout = "www.reviversoft.com/support/driver-reviver/"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
InstallLocation = "%Program Files%\ReviverSoft\Driver Reviver"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
VersionMajor = "5"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
VersionMinor = "3"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
MajorVersion = "5"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Driver Reviver
MinorVersion = "3"

Dropping Routine

This potentially unwanted application drops the following files:

%User Temp%\{random file name 1}.tmp\
%User Temp%\{random file name 2}.tmp
%User Temp%\{random file name 1}.tmp\System.dll
%User Temp%\{random file name 1}.tmp\ioSpecial.ini
%User Temp%\{random file name 1}.tmp\modern-wizard.bmp
%User Temp%\{random file name 1}.tmp\nsEnvVariables.dll
%User Temp%\{random file name 1}.tmp\InstallOptions.dll
%User Temp%\{random file name 1}.tmp\linker.dll
%User Temp%\{random file name 1}.tmp\nsProcess.dll
%User Temp%\{random file name 1}.tmp\nsSessionSIDW.dll
%User Temp%\{random file name 1}.tmp\nsExec.dll
%User Temp%\{random file name 1}.tmp\{random file name 3}.tmp
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Brazilian.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Danish.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Dutch.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\English.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Finnish.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\French.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\German.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Italian.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Japanese.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Norwegian.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Russian.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Spanish.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Swedish.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\TradChinese.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\Language\Turkish.xml
%Program Files%\ReviverSoft\Driver Reviver\binary_archive_converter.exe
%Program Files%\ReviverSoft\Driver Reviver\DriverReviverUpdater.exe
%Program Files%\ReviverSoft\Driver Reviver\Uninstall.exe
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Brazilian.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Danish.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Dutch.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\English.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Finnish.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\French.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\German.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Italian.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Japanese.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Norwegian.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Russian.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Spanish.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Swedish.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\TradChinese.xml
%Program Files%\ReviverSoft\Driver Reviver\SRLanguages\Turkish.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Brazilian.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Brazilian1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Brazilian2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Danish.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Danish1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Danish2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Dutch.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Dutch1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Dutch2
%Program Files%\ReviverSoft\Driver Reviver\defaults\English.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\English1
%Program Files%\ReviverSoft\Driver Reviver\defaults\English2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Finnish.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Finnish1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Finnish2
%Program Files%\ReviverSoft\Driver Reviver\defaults\French.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\French1
%Program Files%\ReviverSoft\Driver Reviver\defaults\French2
%Program Files%\ReviverSoft\Driver Reviver\defaults\German.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\German1
%Program Files%\ReviverSoft\Driver Reviver\defaults\German2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Italian.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Italian1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Italian2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Japanese.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Japanese1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Japanese2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Norwegian.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Norwegian1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Norwegian2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Portuguese.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Portuguese1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Portuguese2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Russian.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Russian1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Russian2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Spanish.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Spanish1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Spanish2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Swedish.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Swedish1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Swedish2
%Program Files%\ReviverSoft\Driver Reviver\defaults\TradChinese.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\TradChinese1
%Program Files%\ReviverSoft\Driver Reviver\defaults\TradChinese2
%Program Files%\ReviverSoft\Driver Reviver\defaults\Turkish.xml
%Program Files%\ReviverSoft\Driver Reviver\defaults\Turkish1
%Program Files%\ReviverSoft\Driver Reviver\defaults\Turkish2
%All Users Profile%\Start Menu\Programs\ReviverSoft\Driver Reviver\Driver Reviver.lnk
%All Users Profile%\Desktop\Driver Reviver.lnk
%All Users Profile%\Start Menu\Programs\ReviverSoft\Driver Reviver\Uninstall.lnk
%All Users Profile%\Start Menu\Programs\ReviverSoft\Driver Reviver\Driver Reviver.lnk
%All Users Profile%\Desktop\Driver Reviver.lnk
%All Users Profile%\Start Menu\Programs\ReviverSoft\Driver Reviver\Uninstall.lnk
%Program Files%\ReviverSoft\Driver Reviver\7za.exe
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\S-1-5-21-484763869-789336058-682003330-1003\AppSettings.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\freeDriver
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\CommonSettings.xml
%All Users Profile%\Application Data\ReviverSoft\Driver Reviver\S-1-5-21-484763869-789336058-682003330-1003\AppSettings.xml
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username} at logon.job
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username}.job
%Windows%\Tasks\Start Driver Reviver Update.job
%Windows%\Tasks\Start Driver Reviver Schedule.job
%Windows%\Tasks\Start Driver Reviver for {hostname}@{username}(logon).job

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

SOLUTION

Minimum Scan Engine: 9.800

FIRST VSAPI PATTERN FILE: 1.676.53

FIRST VSAPI PATTERN DATE: 11 Nov 2015

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

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- Driver Reviver

Step 3

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\ReviverSoft\
%Program Files%\ReviverSoft\
%User Temp%\{random file name 1}.tmp\
%System Root%\64995afb-41f5-441d-adfd-f48cb03304dc.exe
%All Users PRofile%\Application Data\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\

To delete malware/grayware/spyware folders:

For Windows 2000, Windows XP, and Windows Server 2003:

Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
In the File name* input box, type:

%All Users Profile%\Application Data\ReviverSoft\
%Program Files%\ReviverSoft\
%User Temp%\{random file name 1}.tmp\
%System Root%\64995afb-41f5-441d-adfd-f48cb03304dc.exe
%All Users PRofile%\Application Data\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\
In the Look In drop-down list, select My Computer, then press Enter.
Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
Repeat steps 2 to 4 for the remaining folders:
%All Users Profile%\Application Data\ReviverSoft\
%Program Files%\ReviverSoft\
%User Temp%\{random file name 1}.tmp\
%System Root%\64995afb-41f5-441d-adfd-f48cb03304dc.exe
%All Users PRofile%\Application Data\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\

*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
In the Search Computer/This PC input box, type:

%All Users Profile%\Application Data\ReviverSoft\
%Program Files%\ReviverSoft\
%User Temp%\{random file name 1}.tmp\
%System Root%\64995afb-41f5-441d-adfd-f48cb03304dc.exe
%All Users PRofile%\Application Data\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\
Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
Repeat steps 2-3 for the remaining folders:
%All Users Profile%\Application Data\ReviverSoft\
%Program Files%\ReviverSoft\
%User Temp%\{random file name 1}.tmp\
%System Root%\64995afb-41f5-441d-adfd-f48cb03304dc.exe
%All Users PRofile%\Application Data\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\
%All Users Profile%\Start Menu\Programs\ReviverSoft\

*Note: Read the following Microsoft page if these steps do not work on Windows 7.

Step 4

Search and delete this file

[ 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.

%User Temp%\{random file name 2}.tmp
%All Users Profile%\Desktop\Driver Reviver.lnk
%All Users Profile%\Desktop\Driver Reviver.lnk
%Program Files%\ReviverSoft\Driver Reviver\7za.exe
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username} at logon.job
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username}.job
%Windows%\Tasks\Start Driver Reviver Update.job
%Windows%\Tasks\Start Driver Reviver Schedule.job
%Windows%\Tasks\Start Driver Reviver for {hostname}@{username}(logon).job

To manually delete a malware/grayware file from an affected system:

• For Windows 2000, Windows XP, and Windows Server 2003:

Right-click Start then click Search....
In the File name* input box, type the following:
%User Temp%\{random file name 2}.tmp
%All Users Profile%\Desktop\Driver Reviver.lnk
%All Users Profile%\Desktop\Driver Reviver.lnk
%Program Files%\ReviverSoft\Driver Reviver\7za.exe
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username} at logon.job
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username}.job
%Windows%\Tasks\Start Driver Reviver Update.job
%Windows%\Tasks\Start Driver Reviver Schedule.job
%Windows%\Tasks\Start Driver Reviver for {hostname}@{username}(logon).job
In the Look In drop-down list, select My Computer then press Enter.
Once located, select the file then press SHIFT+DELETE to delete it.
*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

• For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:

Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
In the Search Computer/This PC input box, type:
%User Temp%\{random file name 2}.tmp
%All Users Profile%\Desktop\Driver Reviver.lnk
%All Users Profile%\Desktop\Driver Reviver.lnk
%Program Files%\ReviverSoft\Driver Reviver\7za.exe
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username} at logon.job
%Windows%\Tasks\Start Driver Reviver( SR ) for {hostname}@{username}.job
%Windows%\Tasks\Start Driver Reviver Update.job
%Windows%\Tasks\Start Driver Reviver Schedule.job
%Windows%\Tasks\Start Driver Reviver for {hostname}@{username}(logon).job
Once located, select the file then press SHIFT+DELETE to delete it.
*Note: Read the following Microsoft page if these steps do not work on Windows 7.

Step 5

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

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