ADW_SAFESEARCH

This adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It disables Task Manager, Registry Editor, and Folder Options.

File Size: 89,816 bytes

File Type: EXE

Memory Resident: No

Initial Samples Received Date: 27 May 2014

Arrival Details

This adware 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 adware creates the following folders:

%System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\pcreg
%User Temp%\nsw18.tmp
%Temp%\nsw25.tmp
%Temp%\nsm31.tmp
%Temp%\nsm38.tmp
%Temp%\nsm42.tmp
%Temp%\nsz4C.tmp
%Temp%\nsq57.tmp
%Temp%\nst5C.tmp
%Temp%\nsz67.tmp
%Temp%\nsd76.tmp
%Temp%\nsl7A.tmp
%Temp%\nsz86.tmp
%Temp%\nsn93.tmp
%Temp%\nsp99.tmp
%Temp%\nspA5.tmp
%Temp%\nsmB1.tmp
%Temp%\nsnB3.tmp
%Temp%\nsvBF.tmp
%Temp%\nsyCF.tmp
%Temp%\nsbDA.tmp
%Temp%\nsnDC.tmp
%Temp%\nsnE7.tmp
%Temp%\nsrF4.tmp
%Temp%\nscFC.tmp
%Temp%\nsb105.tmp
%Temp%\nso118.tmp
%Temp%\nsj123.tmp

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

Autostart Technique

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

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
pcreg = "%Program Files%\pcreg\service.exe"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
pcreg = "%Program Files%\pcreg\service.exe"

Other System Modifications

This adware deletes the following files:

%User Temp%\nsq1.tmp
%User Temp%\nsf3.tmp
%User Temp%\nsw16.tmp
%User Temp%\nsw18.tmp
%Temp%\nsg23.tmp
%Temp%\nsw25.tmp
%Temp%\nsg2F.tmp
%Temp%\nsm31.tmp
%Temp%\nsa36.tmp
%Temp%\nsm38.tmp
%Temp%\nsz3C.tmp
%Temp%\nsm42.tmp
%Temp%\nsr48.tmp
%Temp%\nsz4C.tmp
%Temp%\nsz54.tmp
%Temp%\nsq57.tmp
%Temp%\nsv56.tmp
%Temp%\nst5C.tmp
%Temp%\nsh64.tmp
%Temp%\nsz67.tmp
%Temp%\nsk6F.tmp
%Temp%\nsd76.tmp
%Temp%\nsh74.tmp
%Temp%\nsl7A.tmp
%Temp%\nsv83.tmp
%Temp%\nsz86.tmp
%Temp%\nsk89.tmp
%Temp%\nsn93.tmp
%Temp%\nsc8F.tmp
%Temp%\nsp99.tmp
%Temp%\nsmA2.tmp
%Temp%\nspA5.tmp
%Temp%\nsvA9.tmp
%Temp%\nsmB1.tmp
%Temp%\nsvAC.tmp
%Temp%\nsnB3.tmp
%Temp%\nsyBD.tmp
%Temp%\nsvBF.tmp
%Temp%\nsrCD.tmp
%Temp%\nsyCF.tmp
%Temp%\nsaD3.tmp
%Temp%\nsbDA.tmp
%Temp%\nsaD5.tmp
%Temp%\nsnDC.tmp
%Temp%\nswE4.tmp
%Temp%\nsnE7.tmp
%Temp%\nsvEE.tmp
%Temp%\nsrF4.tmp
%Temp%\nsrF3.tmp
%Temp%\nscFC.tmp
%Temp%\nsf103.tmp
%Temp%\nsb105.tmp
%Temp%\nsc116.tmp
%Temp%\nso118.tmp
%Temp%\nse121.tmp
%Temp%\nsj123.tmp

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

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Attachments

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Associations

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Policies\
Attachments

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Policies\
Associations

HKEY_LOCAL_MACHINE\Software\pcreg

HKEY_CURRENT_USER\Software\pcreg

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
ConsentPromptBehaviorAdmin = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
ConsentPromptBehaviorUser = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
EnableLUA = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer
HideSCAHealth = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Attachments
SaveZoneInformation = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Associations
LowRiskFileTypes = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Attachments
SaveZoneInformation = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Attachments
HideZoneInfoOnProperties = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Attachments
HideZoneInfoOnProperties = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Associations
LowRiskFileTypes = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
uid = "3760867"

HKEY_CURRENT_USER\Software\pcreg
uid = "3760867"

HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
affid = "softonic"

HKEY_CURRENT_USER\Software\pcreg
affid = "softonic"

HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
prod = "pcreg"

HKEY_CURRENT_USER\Software\pcreg
prod = "pcreg"

HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
instdate = "2014-05-19"

HKEY_CURRENT_USER\Software\pcreg
instdate = "2014-05-19"

It modifies the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Windows
NoInteractiveServices = "0"

It creates the following registry entry(ies) to disable Task Manager, Registry Tools and Folder Options:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
HideSCAHealth = "1"

Dropping Routine

This adware drops the following files:

%User Temp%\nsf3.tmp\UAC.dll
%User Temp%\nsf3.tmp\System.dll
%User Temp%\nsf3.tmp\NSISArray.dll
%User Temp%\nsf3.tmp\UserMgr.dll
%User Temp%\nsf3.tmp\nsRandom.dll
%User Temp%\nsf3.tmp\AccessControl.dll
%Program Files%\pcreg\install32.xml
%Program Files%\pcreg\install64.xml
%Program Files%\pcreg\install_service.xml
%Program Files%\pcreg\installXP.xml
%Program Files%\pcreg\service.exe
%Program Files%\pcreg\msvcr100.dll
%Program Files%\pcreg\pcreg.exe
%User Temp%\nsf3.tmp\NSISdl.dll
%Program Files%\pcreg\nodown.txt
%Windows%\Tasks\pcreg.job
%User Temp%\nsw18.tmp\System.dll
%User Temp%\nsw18.tmp\inetc.dll
%User Temp%\rpt.txt
%Temp%\nsw25.tmp\System.dll
%Temp%\nsw25.tmp\inetc.dll
%Temp%\rpt.txt
%Temp%\nsm31.tmp\System.dll
%Temp%\nsm31.tmp\inetc.dll
%Temp%\nsm38.tmp\System.dll
%Temp%\nsm38.tmp\inetc.dll
%Temp%\nsm42.tmp\System.dll
%Temp%\nsm42.tmp\inetc.dll
%Temp%\nsz4C.tmp\System.dll
%Temp%\nsz4C.tmp\inetc.dll
%Temp%\nsq57.tmp\System.dll
%Temp%\nsq57.tmp\inetc.dll
%Temp%\nst5C.tmp\System.dll
%Temp%\nst5C.tmp\inetc.dll
%Temp%\nsz67.tmp\System.dll
%Temp%\nsz67.tmp\inetc.dll
%Temp%\nsd76.tmp\System.dll
%Temp%\nsd76.tmp\inetc.dll
%Temp%\nsl7A.tmp\System.dll
%Temp%\nsl7A.tmp\inetc.dll
%Temp%\nsz86.tmp\System.dll
%Temp%\nsz86.tmp\inetc.dll
%Temp%\nsn93.tmp\System.dll
%Temp%\nsn93.tmp\inetc.dll
%Temp%\nsp99.tmp\System.dll
%Temp%\nsp99.tmp\inetc.dll
%Temp%\nspA5.tmp\System.dll
%Temp%\nspA5.tmp\inetc.dll
%Temp%\nsmB1.tmp\System.dll
%Temp%\nsmB1.tmp\inetc.dll
%Temp%\nsnB3.tmp\System.dll
%Temp%\nsnB3.tmp\inetc.dll
%Temp%\nsvBF.tmp\System.dll
%Temp%\nsvBF.tmp\inetc.dll
%Temp%\nsyCF.tmp\System.dll
%Temp%\nsyCF.tmp\inetc.dll
%Temp%\nsbDA.tmp\System.dll
%Temp%\nsbDA.tmp\inetc.dll
%Temp%\nsnDC.tmp\System.dll
%Temp%\nsnDC.tmp\inetc.dll
%Temp%\nsnE7.tmp\System.dll
%Temp%\nsnE7.tmp\inetc.dll
%Temp%\nsrF4.tmp\System.dll
%Temp%\nsrF4.tmp\inetc.dll
%Temp%\nscFC.tmp\System.dll
%Temp%\nscFC.tmp\inetc.dll
%Temp%\nsb105.tmp\System.dll
%Temp%\nsb105.tmp\inetc.dll
%Temp%\nso118.tmp\System.dll
%Temp%\nso118.tmp\inetc.dll
%Temp%\nsj123.tmp\System.dll
%Temp%\nsj123.tmp\inetc.dll

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

Other Details

This adware connects to the following possibly malicious URL:

http://www.{BLOCKED}soft.com/report/?{random characters}
{BLOCKED}240.202
{BLOCKED}9.249.169

This report is generated via an automated analysis system.

Minimum Scan Engine: 9.700

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

Enable Registry Editor, Task Manager, and Folder options

[ Learn More ]

By doing this step, you also enable other applications/programs disabled by this malware/grayware/spyware.

Step 4

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\Policies
- Explorer

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
- Attachments

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
- Associations

In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies
- Attachments

In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies
- Associations

In HKEY_LOCAL_MACHINE\Software
- pcreg

In HKEY_CURRENT_USER\Software
- pcreg

Step 5

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
- pcreg = "%Program Files%\pcreg\service.exe"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- pcreg = "%Program Files%\pcreg\service.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
- ConsentPromptBehaviorAdmin = "0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
- ConsentPromptBehaviorUser = "0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
- EnableLUA = "0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer
- HideSCAHealth = "1"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments
- SaveZoneInformation = "1"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations
- LowRiskFileTypes = "{random characters}"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Attachments
- SaveZoneInformation = "1"

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments
- HideZoneInfoOnProperties = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Attachments
- HideZoneInfoOnProperties = "1"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Associations
- LowRiskFileTypes = "{random characters}"

In HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
- uid = "3760867"

In HKEY_CURRENT_USER\Software\pcreg
- uid = "3760867"

In HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
- affid = "softonic"

In HKEY_CURRENT_USER\Software\pcreg
- affid = "softonic"

In HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
- prod = "pcreg"

In HKEY_CURRENT_USER\Software\pcreg
- prod = "pcreg"

In HKEY_LOCAL_MACHINE\SOFTWARE\pcreg
- instdate = "2014-05-19"

In HKEY_CURRENT_USER\Software\pcreg
- instdate = "2014-05-19"

To delete the registry value this malware/grayware created:

Open Registry Editor.
» For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type regedit in the text box provided, and then press Enter.
» For Windows Vista, Windows 7, and Windows Server 2008 users, click the Start button, type regedit in the Search input field then press Enter.
» For Windows 8, Windows 8.1, and Windows Server 2012 users, right-click on the lower-left corner of the screen, click Run, type regedit in the text box provided, and then press Enter.
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
In the right panel, locate and delete the entry:
pcreg = "%Program Files%\pcreg\service.exe"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Run
In the right panel, locate and delete the entry:
pcreg = "%Program Files%\pcreg\service.exe"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>system
In the right panel, locate and delete the entry:
ConsentPromptBehaviorAdmin = "0"
Again In the right panel, locate and delete the entry:
ConsentPromptBehaviorUser = "0"
Again In the right panel, locate and delete the entry:
EnableLUA = "0"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer
In the right panel, locate and delete the entry:
HideSCAHealth = "1"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>Attachments
In the right panel, locate and delete the entry:
SaveZoneInformation = "1"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>Associations
In the right panel, locate and delete the entry:
LowRiskFileTypes = "{random characters}"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Attachments
In the right panel, locate and delete the entry:
SaveZoneInformation = "1"
Again In the right panel, locate and delete the entry:
HideZoneInfoOnProperties = "1"
Again In the right panel, locate and delete the entry:
HideZoneInfoOnProperties = "1"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Associations
In the right panel, locate and delete the entry:
LowRiskFileTypes = "{random characters}"
In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>pcreg
In the right panel, locate and delete the entry:
uid = "3760867"
In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>pcreg
In the right panel, locate and delete the entry:
uid = "3760867"
Again In the right panel, locate and delete the entry:
affid = "softonic"
Again In the right panel, locate and delete the entry:
affid = "softonic"
Again In the right panel, locate and delete the entry:
prod = "pcreg"
Again In the right panel, locate and delete the entry:
prod = "pcreg"
Again In the right panel, locate and delete the entry:
instdate = "2014-05-19"
Again In the right panel, locate and delete the entry:
instdate = "2014-05-19"
Close Registry Editor.

Step 6

Restore these modified registry values

[ Learn More ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.

In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Windows
- NoInteractiveServices = "0"

Step 7

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.

%User Temp%\nsf3.tmp\UAC.dll
%User Temp%\nsf3.tmp\System.dll
%User Temp%\nsf3.tmp\NSISArray.dll
%User Temp%\nsf3.tmp\UserMgr.dll
%User Temp%\nsf3.tmp\nsRandom.dll
%User Temp%\nsf3.tmp\AccessControl.dll
%Program Files%\pcreg\install32.xml
%Program Files%\pcreg\install64.xml
%Program Files%\pcreg\install_service.xml
%Program Files%\pcreg\installXP.xml
%Program Files%\pcreg\service.exe
%Program Files%\pcreg\msvcr100.dll
%Program Files%\pcreg\pcreg.exe
%User Temp%\nsf3.tmp\NSISdl.dll
%Program Files%\pcreg\nodown.txt
%Windows%\Tasks\pcreg.job
%User Temp%\nsw18.tmp\System.dll
%User Temp%\nsw18.tmp\inetc.dll
%User Temp%\rpt.txt
%Temp%\nsw25.tmp\System.dll
%Temp%\nsw25.tmp\inetc.dll
%Temp%\rpt.txt
%Temp%\nsm31.tmp\System.dll
%Temp%\nsm31.tmp\inetc.dll
%Temp%\nsm38.tmp\System.dll
%Temp%\nsm38.tmp\inetc.dll
%Temp%\nsm42.tmp\System.dll
%Temp%\nsm42.tmp\inetc.dll
%Temp%\nsz4C.tmp\System.dll
%Temp%\nsz4C.tmp\inetc.dll
%Temp%\nsq57.tmp\System.dll
%Temp%\nsq57.tmp\inetc.dll
%Temp%\nst5C.tmp\System.dll
%Temp%\nst5C.tmp\inetc.dll
%Temp%\nsz67.tmp\System.dll
%Temp%\nsz67.tmp\inetc.dll
%Temp%\nsd76.tmp\System.dll
%Temp%\nsd76.tmp\inetc.dll
%Temp%\nsl7A.tmp\System.dll
%Temp%\nsl7A.tmp\inetc.dll
%Temp%\nsz86.tmp\System.dll
%Temp%\nsz86.tmp\inetc.dll
%Temp%\nsn93.tmp\System.dll
%Temp%\nsn93.tmp\inetc.dll
%Temp%\nsp99.tmp\System.dll
%Temp%\nsp99.tmp\inetc.dll
%Temp%\nspA5.tmp\System.dll
%Temp%\nspA5.tmp\inetc.dll
%Temp%\nsmB1.tmp\System.dll
%Temp%\nsmB1.tmp\inetc.dll
%Temp%\nsnB3.tmp\System.dll
%Temp%\nsnB3.tmp\inetc.dll
%Temp%\nsvBF.tmp\System.dll
%Temp%\nsvBF.tmp\inetc.dll
%Temp%\nsyCF.tmp\System.dll
%Temp%\nsyCF.tmp\inetc.dll
%Temp%\nsbDA.tmp\System.dll
%Temp%\nsbDA.tmp\inetc.dll
%Temp%\nsnDC.tmp\System.dll
%Temp%\nsnDC.tmp\inetc.dll
%Temp%\nsnE7.tmp\System.dll
%Temp%\nsnE7.tmp\inetc.dll
%Temp%\nsrF4.tmp\System.dll
%Temp%\nsrF4.tmp\inetc.dll
%Temp%\nscFC.tmp\System.dll
%Temp%\nscFC.tmp\inetc.dll
%Temp%\nsb105.tmp\System.dll
%Temp%\nsb105.tmp\inetc.dll
%Temp%\nso118.tmp\System.dll
%Temp%\nso118.tmp\inetc.dll
%Temp%\nsj123.tmp\System.dll
%Temp%\nsj123.tmp\inetc.dll

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%\nsf3.tmp\UAC.dll
%User Temp%\nsf3.tmp\System.dll
%User Temp%\nsf3.tmp\NSISArray.dll
%User Temp%\nsf3.tmp\UserMgr.dll
%User Temp%\nsf3.tmp\nsRandom.dll
%User Temp%\nsf3.tmp\AccessControl.dll
%Program Files%\pcreg\install32.xml
%Program Files%\pcreg\install64.xml
%Program Files%\pcreg\install_service.xml
%Program Files%\pcreg\installXP.xml
%Program Files%\pcreg\service.exe
%Program Files%\pcreg\msvcr100.dll
%Program Files%\pcreg\pcreg.exe
%User Temp%\nsf3.tmp\NSISdl.dll
%Program Files%\pcreg\nodown.txt
%Windows%\Tasks\pcreg.job
%User Temp%\nsw18.tmp\System.dll
%User Temp%\nsw18.tmp\inetc.dll
%User Temp%\rpt.txt
%Temp%\nsw25.tmp\System.dll
%Temp%\nsw25.tmp\inetc.dll
%Temp%\rpt.txt
%Temp%\nsm31.tmp\System.dll
%Temp%\nsm31.tmp\inetc.dll
%Temp%\nsm38.tmp\System.dll
%Temp%\nsm38.tmp\inetc.dll
%Temp%\nsm42.tmp\System.dll
%Temp%\nsm42.tmp\inetc.dll
%Temp%\nsz4C.tmp\System.dll
%Temp%\nsz4C.tmp\inetc.dll
%Temp%\nsq57.tmp\System.dll
%Temp%\nsq57.tmp\inetc.dll
%Temp%\nst5C.tmp\System.dll
%Temp%\nst5C.tmp\inetc.dll
%Temp%\nsz67.tmp\System.dll
%Temp%\nsz67.tmp\inetc.dll
%Temp%\nsd76.tmp\System.dll
%Temp%\nsd76.tmp\inetc.dll
%Temp%\nsl7A.tmp\System.dll
%Temp%\nsl7A.tmp\inetc.dll
%Temp%\nsz86.tmp\System.dll
%Temp%\nsz86.tmp\inetc.dll
%Temp%\nsn93.tmp\System.dll
%Temp%\nsn93.tmp\inetc.dll
%Temp%\nsp99.tmp\System.dll
%Temp%\nsp99.tmp\inetc.dll
%Temp%\nspA5.tmp\System.dll
%Temp%\nspA5.tmp\inetc.dll
%Temp%\nsmB1.tmp\System.dll
%Temp%\nsmB1.tmp\inetc.dll
%Temp%\nsnB3.tmp\System.dll
%Temp%\nsnB3.tmp\inetc.dll
%Temp%\nsvBF.tmp\System.dll
%Temp%\nsvBF.tmp\inetc.dll
%Temp%\nsyCF.tmp\System.dll
%Temp%\nsyCF.tmp\inetc.dll
%Temp%\nsbDA.tmp\System.dll
%Temp%\nsbDA.tmp\inetc.dll
%Temp%\nsnDC.tmp\System.dll
%Temp%\nsnDC.tmp\inetc.dll
%Temp%\nsnE7.tmp\System.dll
%Temp%\nsnE7.tmp\inetc.dll
%Temp%\nsrF4.tmp\System.dll
%Temp%\nsrF4.tmp\inetc.dll
%Temp%\nscFC.tmp\System.dll
%Temp%\nscFC.tmp\inetc.dll
%Temp%\nsb105.tmp\System.dll
%Temp%\nsb105.tmp\inetc.dll
%Temp%\nso118.tmp\System.dll
%Temp%\nso118.tmp\inetc.dll
%Temp%\nsj123.tmp\System.dll
%Temp%\nsj123.tmp\inetc.dll
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%\nsf3.tmp\UAC.dll
%User Temp%\nsf3.tmp\System.dll
%User Temp%\nsf3.tmp\NSISArray.dll
%User Temp%\nsf3.tmp\UserMgr.dll
%User Temp%\nsf3.tmp\nsRandom.dll
%User Temp%\nsf3.tmp\AccessControl.dll
%Program Files%\pcreg\install32.xml
%Program Files%\pcreg\install64.xml
%Program Files%\pcreg\install_service.xml
%Program Files%\pcreg\installXP.xml
%Program Files%\pcreg\service.exe
%Program Files%\pcreg\msvcr100.dll
%Program Files%\pcreg\pcreg.exe
%User Temp%\nsf3.tmp\NSISdl.dll
%Program Files%\pcreg\nodown.txt
%Windows%\Tasks\pcreg.job
%User Temp%\nsw18.tmp\System.dll
%User Temp%\nsw18.tmp\inetc.dll
%User Temp%\rpt.txt
%Temp%\nsw25.tmp\System.dll
%Temp%\nsw25.tmp\inetc.dll
%Temp%\rpt.txt
%Temp%\nsm31.tmp\System.dll
%Temp%\nsm31.tmp\inetc.dll
%Temp%\nsm38.tmp\System.dll
%Temp%\nsm38.tmp\inetc.dll
%Temp%\nsm42.tmp\System.dll
%Temp%\nsm42.tmp\inetc.dll
%Temp%\nsz4C.tmp\System.dll
%Temp%\nsz4C.tmp\inetc.dll
%Temp%\nsq57.tmp\System.dll
%Temp%\nsq57.tmp\inetc.dll
%Temp%\nst5C.tmp\System.dll
%Temp%\nst5C.tmp\inetc.dll
%Temp%\nsz67.tmp\System.dll
%Temp%\nsz67.tmp\inetc.dll
%Temp%\nsd76.tmp\System.dll
%Temp%\nsd76.tmp\inetc.dll
%Temp%\nsl7A.tmp\System.dll
%Temp%\nsl7A.tmp\inetc.dll
%Temp%\nsz86.tmp\System.dll
%Temp%\nsz86.tmp\inetc.dll
%Temp%\nsn93.tmp\System.dll
%Temp%\nsn93.tmp\inetc.dll
%Temp%\nsp99.tmp\System.dll
%Temp%\nsp99.tmp\inetc.dll
%Temp%\nspA5.tmp\System.dll
%Temp%\nspA5.tmp\inetc.dll
%Temp%\nsmB1.tmp\System.dll
%Temp%\nsmB1.tmp\inetc.dll
%Temp%\nsnB3.tmp\System.dll
%Temp%\nsnB3.tmp\inetc.dll
%Temp%\nsvBF.tmp\System.dll
%Temp%\nsvBF.tmp\inetc.dll
%Temp%\nsyCF.tmp\System.dll
%Temp%\nsyCF.tmp\inetc.dll
%Temp%\nsbDA.tmp\System.dll
%Temp%\nsbDA.tmp\inetc.dll
%Temp%\nsnDC.tmp\System.dll
%Temp%\nsnDC.tmp\inetc.dll
%Temp%\nsnE7.tmp\System.dll
%Temp%\nsnE7.tmp\inetc.dll
%Temp%\nsrF4.tmp\System.dll
%Temp%\nsrF4.tmp\inetc.dll
%Temp%\nscFC.tmp\System.dll
%Temp%\nscFC.tmp\inetc.dll
%Temp%\nsb105.tmp\System.dll
%Temp%\nsb105.tmp\inetc.dll
%Temp%\nso118.tmp\System.dll
%Temp%\nso118.tmp\inetc.dll
%Temp%\nsj123.tmp\System.dll
%Temp%\nsj123.tmp\inetc.dll
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 8

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.

%System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\pcreg
%User Temp%\nsw18.tmp
%Temp%\nsw25.tmp
%Temp%\nsm31.tmp
%Temp%\nsm38.tmp
%Temp%\nsm42.tmp
%Temp%\nsz4C.tmp
%Temp%\nsq57.tmp
%Temp%\nst5C.tmp
%Temp%\nsz67.tmp
%Temp%\nsd76.tmp
%Temp%\nsl7A.tmp
%Temp%\nsz86.tmp
%Temp%\nsn93.tmp
%Temp%\nsp99.tmp
%Temp%\nspA5.tmp
%Temp%\nsmB1.tmp
%Temp%\nsnB3.tmp
%Temp%\nsvBF.tmp
%Temp%\nsyCF.tmp
%Temp%\nsbDA.tmp
%Temp%\nsnDC.tmp
%Temp%\nsnE7.tmp
%Temp%\nsrF4.tmp
%Temp%\nscFC.tmp
%Temp%\nsb105.tmp
%Temp%\nso118.tmp
%Temp%\nsj123.tmp

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:

%System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\pcreg
%User Temp%\nsw18.tmp
%Temp%\nsw25.tmp
%Temp%\nsm31.tmp
%Temp%\nsm38.tmp
%Temp%\nsm42.tmp
%Temp%\nsz4C.tmp
%Temp%\nsq57.tmp
%Temp%\nst5C.tmp
%Temp%\nsz67.tmp
%Temp%\nsd76.tmp
%Temp%\nsl7A.tmp
%Temp%\nsz86.tmp
%Temp%\nsn93.tmp
%Temp%\nsp99.tmp
%Temp%\nspA5.tmp
%Temp%\nsmB1.tmp
%Temp%\nsnB3.tmp
%Temp%\nsvBF.tmp
%Temp%\nsyCF.tmp
%Temp%\nsbDA.tmp
%Temp%\nsnDC.tmp
%Temp%\nsnE7.tmp
%Temp%\nsrF4.tmp
%Temp%\nscFC.tmp
%Temp%\nsb105.tmp
%Temp%\nso118.tmp
%Temp%\nsj123.tmp
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: %System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\pcreg
%User Temp%\nsw18.tmp
%Temp%\nsw25.tmp
%Temp%\nsm31.tmp
%Temp%\nsm38.tmp
%Temp%\nsm42.tmp
%Temp%\nsz4C.tmp
%Temp%\nsq57.tmp
%Temp%\nst5C.tmp
%Temp%\nsz67.tmp
%Temp%\nsd76.tmp
%Temp%\nsl7A.tmp
%Temp%\nsz86.tmp
%Temp%\nsn93.tmp
%Temp%\nsp99.tmp
%Temp%\nspA5.tmp
%Temp%\nsmB1.tmp
%Temp%\nsnB3.tmp
%Temp%\nsvBF.tmp
%Temp%\nsyCF.tmp
%Temp%\nsbDA.tmp
%Temp%\nsnDC.tmp
%Temp%\nsnE7.tmp
%Temp%\nsrF4.tmp
%Temp%\nscFC.tmp
%Temp%\nsb105.tmp
%Temp%\nso118.tmp
%Temp%\nsj123.tmp

*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:
%System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\pcreg
%User Temp%\nsw18.tmp
%Temp%\nsw25.tmp
%Temp%\nsm31.tmp
%Temp%\nsm38.tmp
%Temp%\nsm42.tmp
%Temp%\nsz4C.tmp
%Temp%\nsq57.tmp
%Temp%\nst5C.tmp
%Temp%\nsz67.tmp
%Temp%\nsd76.tmp
%Temp%\nsl7A.tmp
%Temp%\nsz86.tmp
%Temp%\nsn93.tmp
%Temp%\nsp99.tmp
%Temp%\nspA5.tmp
%Temp%\nsmB1.tmp
%Temp%\nsnB3.tmp
%Temp%\nsvBF.tmp
%Temp%\nsyCF.tmp
%Temp%\nsbDA.tmp
%Temp%\nsnDC.tmp
%Temp%\nsnE7.tmp
%Temp%\nsrF4.tmp
%Temp%\nscFC.tmp
%Temp%\nsb105.tmp
%Temp%\nso118.tmp
%Temp%\nsj123.tmp
Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
Repeat steps 2-3 for the remaining folders: %System Root%\DOCUME~1
%System Root%\DOCUME~1\Wilbert
%User Profile%\LOCALS~1
%User Temp%\nsf3.tmp
%Program Files%\pcreg
%User Temp%\nsw18.tmp
%Temp%\nsw25.tmp
%Temp%\nsm31.tmp
%Temp%\nsm38.tmp
%Temp%\nsm42.tmp
%Temp%\nsz4C.tmp
%Temp%\nsq57.tmp
%Temp%\nst5C.tmp
%Temp%\nsz67.tmp
%Temp%\nsd76.tmp
%Temp%\nsl7A.tmp
%Temp%\nsz86.tmp
%Temp%\nsn93.tmp
%Temp%\nsp99.tmp
%Temp%\nspA5.tmp
%Temp%\nsmB1.tmp
%Temp%\nsnB3.tmp
%Temp%\nsvBF.tmp
%Temp%\nsyCF.tmp
%Temp%\nsbDA.tmp
%Temp%\nsnDC.tmp
%Temp%\nsnE7.tmp
%Temp%\nsrF4.tmp
%Temp%\nscFC.tmp
%Temp%\nsb105.tmp
%Temp%\nso118.tmp
%Temp%\nsj123.tmp

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

Step 9

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

Step 10

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

%User Temp%\nsq1.tmp
%User Temp%\nsf3.tmp
%User Temp%\nsw16.tmp
%User Temp%\nsw18.tmp
%Temp%\nsg23.tmp
%Temp%\nsw25.tmp
%Temp%\nsg2F.tmp
%Temp%\nsm31.tmp
%Temp%\nsa36.tmp
%Temp%\nsm38.tmp
%Temp%\nsz3C.tmp
%Temp%\nsm42.tmp
%Temp%\nsr48.tmp
%Temp%\nsz4C.tmp
%Temp%\nsz54.tmp
%Temp%\nsq57.tmp
%Temp%\nsv56.tmp
%Temp%\nst5C.tmp
%Temp%\nsh64.tmp
%Temp%\nsz67.tmp
%Temp%\nsk6F.tmp
%Temp%\nsd76.tmp
%Temp%\nsh74.tmp
%Temp%\nsl7A.tmp
%Temp%\nsv83.tmp
%Temp%\nsz86.tmp
%Temp%\nsk89.tmp
%Temp%\nsn93.tmp
%Temp%\nsc8F.tmp
%Temp%\nsp99.tmp
%Temp%\nsmA2.tmp
%Temp%\nspA5.tmp
%Temp%\nsvA9.tmp
%Temp%\nsmB1.tmp
%Temp%\nsvAC.tmp
%Temp%\nsnB3.tmp
%Temp%\nsyBD.tmp
%Temp%\nsvBF.tmp
%Temp%\nsrCD.tmp
%Temp%\nsyCF.tmp
%Temp%\nsaD3.tmp
%Temp%\nsbDA.tmp
%Temp%\nsaD5.tmp
%Temp%\nsnDC.tmp
%Temp%\nswE4.tmp
%Temp%\nsnE7.tmp
%Temp%\nsvEE.tmp
%Temp%\nsrF4.tmp
%Temp%\nsrF3.tmp
%Temp%\nscFC.tmp
%Temp%\nsf103.tmp
%Temp%\nsb105.tmp
%Temp%\nsc116.tmp
%Temp%\nso118.tmp
%Temp%\nse121.tmp
%Temp%\nsj123.tmp

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