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ADW_OPTIMIZER

September 06, 2013
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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.

  TECHNICAL DETAILS

File Size:

3,884,287 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

20 Aug 2013

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%\nsl34.tmp
  • %User Temp%\is-8QIPA.tmp
  • %User Temp%\is-5LRP0.tmp
  • %User Temp%\is-5LRP0.tmp\_isetup
  • %Program Files%\PC Speed Maximizer
  • %Start Menu%\Programs\PC Speed Maximizer

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %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 current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)

Autostart Technique

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
PC Speed Maximizer = "%Program Files%\PC Speed Maximizer\SPMLauncher.exe"

Other System Modifications

This adware deletes the following files:

  • %User Temp%\nsb2.tmp
  • %User Temp%\nsl34.tmp
  • %Desktop%\PC Speed Maximizer.pif
  • %Desktop%\PC Speed Maximizer.url
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer.pif
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer.url
  • %Start Menu%\Programs\PC Speed Maximizer\Help.pif
  • %Start Menu%\Programs\PC Speed Maximizer\Help.url
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer on the Web.pif
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer on the Web.url
  • %Start Menu%\Programs\PC Speed Maximizer\Uninstall PC Speed Maximizer.pif
  • %Start Menu%\Programs\PC Speed Maximizer\Uninstall PC Speed Maximizer.url

(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, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista and 7.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)

It adds the following registry keys:

HKEY_CURRENT_USER\Software\PC Speed Maximizer

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1

It adds the following registry entries:

HKEY_CURRENT_USER\Software\PC Speed Maximizer
Language = "1"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
DelayedStart = "1e"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
UseProOffer = "0"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
UseVersionsChecking = "0"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
AdsDownloadURL = "http://filecdn.{BLOCKED}est.com/rw/xsell/opulencec2/SmartDriverUpdater.exe"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
AdsBuyNowURL = "http://opulencec2.{BLOCKED}uad.revenuewire.net/smart-driver/register"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
UseAds = "1"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
SupportURL = "http://www.{BLOCKED}dmaximizer.com/support/rw/index.html"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
BuyNowURL = "http://opulencec2.{BLOCKED}uad.revenuewire.net/pc-speed-max/register"

HKEY_CURRENT_USER\Software\PC Speed Maximizer
HomePageURL = "http://opulencec2.{BLOCKED}uad.revenuewire.net/pc-speed-max/register"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
Inno Setup: Setup Version = "5.3.5 (a)"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
Inno Setup: App Path = "%Program Files%\PC Speed Maximizer"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
InstallLocation = "%Program Files%\PC Speed Maximizer"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
Inno Setup: Icon Group = "PC Speed Maximizer"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
Inno Setup: User = "Wilbert"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
Inno Setup: Selected Tasks = "desktopicon"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
DisplayName = "PC Speed Maximizer v3.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
UninstallString = "%Program Files%\PC Speed Maximizer\unins000.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
QuietUninstallString = "%Program Files%\PC Speed Maximizer\unins000.exe /SILENT"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
DisplayVersion = "3.1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
Publisher = "Smart PC Solutions"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
URLInfoAbout = "http://{BLOCKED}dmaximizer.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
HelpLink = "http://{BLOCKED}dmaximizer.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
URLUpdateInfo = "http://{BLOCKED}dmaximizer.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
InstallDate = "20130509"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
MajorVersion = "3"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1
MinorVersion = "1"

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
PC Speed Maximizer_is1

Dropping Routine

This adware drops the following files:

  • %User Temp%\nsw4.tmp
  • %User Temp%\speedmaximizer-setup-US.exe
  • %User Temp%\nsl34.tmp\inetc.dll
  • %User Temp%\tmp.log
  • %User Temp%\is-8QIPA.tmp\speedmaximizer-setup-US.tmp
  • %User Temp%\is-5LRP0.tmp\_isetup\_RegDLL.tmp
  • %User Temp%\is-5LRP0.tmp\_isetup\_shfoldr.dll
  • %Program Files%\PC Speed Maximizer\unins000.dat
  • %Program Files%\PC Speed Maximizer\is-EVM0F.tmp
  • %Program Files%\PC Speed Maximizer\is-FDPRV.tmp
  • %Program Files%\PC Speed Maximizer\is-63OKO.tmp
  • %Program Files%\PC Speed Maximizer\is-CLJSU.tmp
  • %Program Files%\PC Speed Maximizer\is-8NB32.tmp
  • %Program Files%\PC Speed Maximizer\is-TFHK0.tmp
  • %Program Files%\PC Speed Maximizer\is-OGN3S.tmp
  • %Program Files%\PC Speed Maximizer\is-K2IRG.tmp
  • %Program Files%\PC Speed Maximizer\is-G86QS.tmp
  • %Program Files%\PC Speed Maximizer\is-VJ161.tmp
  • %Program Files%\PC Speed Maximizer\is-18T52.tmp
  • %Program Files%\PC Speed Maximizer\is-64A4E.tmp
  • %Program Files%\PC Speed Maximizer\is-LVOMK.tmp
  • %Program Files%\PC Speed Maximizer\is-I2DRQ.tmp
  • %Program Files%\PC Speed Maximizer\is-P0T92.tmp
  • %Program Files%\PC Speed Maximizer\is-DAEBH.tmp
  • %Program Files%\PC Speed Maximizer\is-INVP3.tmp
  • %Program Files%\PC Speed Maximizer\is-UQB35.tmp
  • %Program Files%\PC Speed Maximizer\is-EDGKL.tmp
  • %Program Files%\PC Speed Maximizer\is-SPL8G.tmp
  • %Program Files%\PC Speed Maximizer\is-FO0P0.tmp
  • %Program Files%\PC Speed Maximizer\is-RD8DN.tmp
  • %Program Files%\PC Speed Maximizer\is-AKT0J.tmp
  • %Program Files%\PC Speed Maximizer\is-D1JN4.tmp
  • %Program Files%\PC Speed Maximizer\is-K1S14.tmp
  • %Program Files%\PC Speed Maximizer\is-27VHB.tmp
  • %Program Files%\PC Speed Maximizer\is-T4QPJ.tmp
  • %Program Files%\PC Speed Maximizer\is-SBRN5.tmp
  • %Program Files%\PC Speed Maximizer\is-4T3G6.tmp
  • %Program Files%\PC Speed Maximizer\is-A727M.tmp
  • %Desktop%\PC Speed Maximizer.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\Help.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer on the Web.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\Uninstall PC Speed Maximizer.lnk

(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, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista and 7.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)

Other Details

This adware connects to the following possibly malicious URL:

  • http://{BLOCKED}staller.net/bundle.php?{random characters}

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

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
    • PC Speed Maximizer
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • PC Speed Maximizer_is1

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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • PC Speed Maximizer = "%Program Files%\PC Speed Maximizer\SPMLauncher.exe"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • Language = "1"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • DelayedStart = "1e"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • UseProOffer = "0"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • UseVersionsChecking = "0"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • AdsDownloadURL = "http://filecdn.{BLOCKED}est.com/rw/xsell/opulencec2/SmartDriverUpdater.exe"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • AdsBuyNowURL = "http://opulencec2.{BLOCKED}uad.revenuewire.net/smart-driver/register"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • UseAds = "1"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • SupportURL = "http://www.{BLOCKED}dmaximizer.com/support/rw/index.html"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • BuyNowURL = "http://opulencec2.{BLOCKED}uad.revenuewire.net/pc-speed-max/register"
  • In HKEY_CURRENT_USER\Software\PC Speed Maximizer
    • HomePageURL = "http://opulencec2.{BLOCKED}uad.revenuewire.net/pc-speed-max/register"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • Inno Setup: Setup Version = "5.3.5 (a)"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • Inno Setup: App Path = "%Program Files%\PC Speed Maximizer"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • InstallLocation = "%Program Files%\PC Speed Maximizer"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • Inno Setup: Icon Group = "PC Speed Maximizer"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • Inno Setup: User = "Wilbert"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • Inno Setup: Selected Tasks = "desktopicon"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • DisplayName = "PC Speed Maximizer v3.1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • UninstallString = "%Program Files%\PC Speed Maximizer\unins000.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • QuietUninstallString = "%Program Files%\PC Speed Maximizer\unins000.exe /SILENT"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • DisplayVersion = "3.1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • Publisher = "Smart PC Solutions"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • URLInfoAbout = "http://{BLOCKED}dmaximizer.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • HelpLink = "http://{BLOCKED}dmaximizer.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • URLUpdateInfo = "http://{BLOCKED}dmaximizer.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • InstallDate = "20130509"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • MajorVersion = "3"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PC Speed Maximizer_is1
    • MinorVersion = "1"

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.
  • %User Temp%\nsw4.tmp
  • %User Temp%\speedmaximizer-setup-US.exe
  • %User Temp%\nsl34.tmp\inetc.dll
  • %User Temp%\tmp.log
  • %User Temp%\is-8QIPA.tmp\speedmaximizer-setup-US.tmp
  • %User Temp%\is-5LRP0.tmp\_isetup\_RegDLL.tmp
  • %User Temp%\is-5LRP0.tmp\_isetup\_shfoldr.dll
  • %Program Files%\PC Speed Maximizer\unins000.dat
  • %Program Files%\PC Speed Maximizer\is-EVM0F.tmp
  • %Program Files%\PC Speed Maximizer\is-FDPRV.tmp
  • %Program Files%\PC Speed Maximizer\is-63OKO.tmp
  • %Program Files%\PC Speed Maximizer\is-CLJSU.tmp
  • %Program Files%\PC Speed Maximizer\is-8NB32.tmp
  • %Program Files%\PC Speed Maximizer\is-TFHK0.tmp
  • %Program Files%\PC Speed Maximizer\is-OGN3S.tmp
  • %Program Files%\PC Speed Maximizer\is-K2IRG.tmp
  • %Program Files%\PC Speed Maximizer\is-G86QS.tmp
  • %Program Files%\PC Speed Maximizer\is-VJ161.tmp
  • %Program Files%\PC Speed Maximizer\is-18T52.tmp
  • %Program Files%\PC Speed Maximizer\is-64A4E.tmp
  • %Program Files%\PC Speed Maximizer\is-LVOMK.tmp
  • %Program Files%\PC Speed Maximizer\is-I2DRQ.tmp
  • %Program Files%\PC Speed Maximizer\is-P0T92.tmp
  • %Program Files%\PC Speed Maximizer\is-DAEBH.tmp
  • %Program Files%\PC Speed Maximizer\is-INVP3.tmp
  • %Program Files%\PC Speed Maximizer\is-UQB35.tmp
  • %Program Files%\PC Speed Maximizer\is-EDGKL.tmp
  • %Program Files%\PC Speed Maximizer\is-SPL8G.tmp
  • %Program Files%\PC Speed Maximizer\is-FO0P0.tmp
  • %Program Files%\PC Speed Maximizer\is-RD8DN.tmp
  • %Program Files%\PC Speed Maximizer\is-AKT0J.tmp
  • %Program Files%\PC Speed Maximizer\is-D1JN4.tmp
  • %Program Files%\PC Speed Maximizer\is-K1S14.tmp
  • %Program Files%\PC Speed Maximizer\is-27VHB.tmp
  • %Program Files%\PC Speed Maximizer\is-T4QPJ.tmp
  • %Program Files%\PC Speed Maximizer\is-SBRN5.tmp
  • %Program Files%\PC Speed Maximizer\is-4T3G6.tmp
  • %Program Files%\PC Speed Maximizer\is-A727M.tmp
  • %Desktop%\PC Speed Maximizer.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\Help.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer on the Web.lnk
  • %Start Menu%\Programs\PC Speed Maximizer\Uninstall PC Speed Maximizer.lnk

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.
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\nsl34.tmp
  • %User Temp%\is-8QIPA.tmp
  • %User Temp%\is-5LRP0.tmp
  • %User Temp%\is-5LRP0.tmp\_isetup
  • %Program Files%\PC Speed Maximizer
  • %Start Menu%\Programs\PC Speed Maximizer

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as ADW_OPTIMIZER. 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 8

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%\nsb2.tmp
  • %User Temp%\nsl34.tmp
  • %Desktop%\PC Speed Maximizer.pif
  • %Desktop%\PC Speed Maximizer.url
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer.pif
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer.url
  • %Start Menu%\Programs\PC Speed Maximizer\Help.pif
  • %Start Menu%\Programs\PC Speed Maximizer\Help.url
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer on the Web.pif
  • %Start Menu%\Programs\PC Speed Maximizer\PC Speed Maximizer on the Web.url
  • %Start Menu%\Programs\PC Speed Maximizer\Uninstall PC Speed Maximizer.pif
  • %Start Menu%\Programs\PC Speed Maximizer\Uninstall PC Speed Maximizer.url

Step 9

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • PC Speed Maximizer_is1


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