Home / malware Program:Win32/WinMaximizer
First posted on 29 February 2012.
Source: MicrosoftAliases :
Program:Win32/WinMaximizer is also known as SLOW-PCfighter (other), WinMaximizer (other), a variant of Win32/SlowPCfighter (ESET).
Explanation :
Program:Win32/WinMaximizer is a program that is promoted as a system optimization tool. Some versions of this program may display deceptive or fraudulent claims about files, registry entries and/or other items on the computer. These versions are detected by Microsoft security products.
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Program:Win32/WinMaximizer is a program that is promoted as a system optimization tool. Some versions of this program may display deceptive or fraudulent claims about files, registry entries and/or other items on the computer. These versions are detected by Microsoft security products.
Installation
This program may be installed as one of two application names - "WinMaximizer" or "SLOW-PCfighter", and represented by the following icons:
When installed as WinMaximizer, its presence is marked by the creation of the following registry subkeys:
- HKCU\Software\WinMaximizer
 - HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\{6C4BA010-69C2-46C7-B559-DC513EEB0B5F}_is1
 
The following scheduled job, file folders and files are created:
- %WinDir%\Tasks\WinMaximizer-Administrator-Startup.job
 - %AllUsersProfile%\Start Menu\programs\winmaximizer\WinMaximizer.lnk
 - %AllUsersProfile%\Start Menu\programs\winmaximizer\WinMaximizer on the Web.url
 - %AllUsersProfile%\Start Menu\programs\winmaximizer\Uninstall WinMaximizer.lnk
 - %AllUsersProfile%\Desktop\WinMaximizer.lnk
 - %APPDATA%\Microsoft\Internet Explorer\Quick Launch\WinMaximizer.lnk
 - %ProgramFiles%\WinMaximizer\WinMaximizerLicense.rtf
 - %ProgramFiles%\WinMaximizer\WinMaximizer.exe
 - %ProgramFiles%\WinMaximizer\UpDates.exe
 - %ProgramFiles%\WinMaximizer\unins000.msg
 - %ProgramFiles%\WinMaximizer\unins000.exe
 - %ProgramFiles%\WinMaximizer\unins000.dat
 - %ProgramFiles%\WinMaximizer\OEMData.pkt
 - %ProgramFiles%\WinMaximizer\Languages\Language_ZH.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_TW.xml
 - %ProgramFiles%\WinMaximizer\Languages\language_TR.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_TH.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_SV.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_RU.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_PT.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_PL.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_NO.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_NL.xml
 - %ProgramFiles%\WinMaximizer\Languages\language_JA.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_IT.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_HU.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_FR.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_FI.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_ES.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_EN.xml
 - %ProgramFiles%\WinMaximizer\Languages\language_EN-US.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_EL.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_DE.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_DA.xml
 - %ProgramFiles%\WinMaximizer\Languages\Language_CS.xml
 - %ProgramFiles%\WinMaximizer\Languages\language_BG.xml
 - %ProgramFiles%\WinMaximizer\CommonToolkitSuiteLight.dll
 - %ProgramFiles%\WinMaximizer\CommonToolkitSuite.cts
 
When installed as SLOW-PCfighter, its presence is marked by the creation of the following registry subkeys:
- HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\{F6FCC591-A21B-47C7-BCB3-F535FBA210E2}
 - HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\SLOW-PCfighter
 - HKLM\Software\Fighters
 - HKLM\Software\Common Toolkit Suite
 - HKCU\Software\Fighters
 
The following scheduled jobs, file folders and files are created:
- %WinDir%\Tasks\SLOW-PCfighter-Administrator-Startup.job
 - %WinDir%\Tasks\SLOW-PCfighter-Administrator-Notification.job
 - %AllUsersProfile%\Start Menu\Programs\Fighters\SLOW-PCfighter\Uninstall.lnk
 - %AllUsersProfile%\Start Menu\Programs\Fighters\SLOW-PCfighter\SLOW-PCfighter.lnk
 - %AllUsersProfile%\Desktop\SLOW-PCfighter.lnk
 - %WinDir%\installer\{f6fcc591-a21b-47c7-bcb3-f535fba210e2}\UninstallIcon.exe
 - %WinDir%\installer\{f6fcc591-a21b-47c7-bcb3-f535fba210e2}\MainExeIcon.exe
 - %WinDir%\installer\{f6fcc591-a21b-47c7-bcb3-f535fba210e2}\MainExe32Shortcut_B53671B5D9A445549437680533116875.exe
 - %WinDir%\installer\{f6fcc591-a21b-47c7-bcb3-f535fba210e2}\ARPPRODUCTICON.exe
 - %WinDir%\installer\{f6fcc591-a21b-47c7-bcb3-f535fba210e2}\1033.MST
 - %ProgramFiles%\Fighters\Tray\Translations\Language_ZH.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_VI.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_TW.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_TR.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_TH.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_SV.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_RU.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_RO.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_PT.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_PL.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_NO.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_NL.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_KO.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_JA.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_IT.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_ID.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_HU.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_HR.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_HE.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_FR.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_FI.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_ES.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_EN.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_EL.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_DE.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_DA.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_CS.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_BG.xml
 - %ProgramFiles%\Fighters\Tray\Translations\Language_AR.xml
 - %ProgramFiles%\Fighters\Tray\sfhtml.dll
 - %ProgramFiles%\Fighters\Tray\MsgSys.exe
 - %ProgramFiles%\Fighters\Tray\HTML\whitelabel.css
 - %ProgramFiles%\Fighters\Tray\HTML\uptodate_lightbox.html
 - %ProgramFiles%\Fighters\Tray\HTML\Update_Manager.html
 - %ProgramFiles%\Fighters\Tray\HTML\update_manager.css
 - %ProgramFiles%\Fighters\Tray\HTML\restart_lightbox.html
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\unipb_install.gif
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\unipb.gif
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\spinner.gif
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_virus.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_TKTRAYAPP.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_TKTRAY-UPD-RCPRO.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_support_active.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_support.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_spy.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_spam.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_slow.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_shield.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_productname.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_info_active.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_info.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_fdf.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_error.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\Icon_done.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\icon_complete.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\done_btn_down.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\done_btn.png
 - %ProgramFiles%\Fighters\Tray\HTML\gfx\bg_stretch.png
 - %ProgramFiles%\Fighters\Tray\HTML\error_lightbox.html
 - %ProgramFiles%\Fighters\Tray\HTML\done_lightbox.html
 - %ProgramFiles%\Fighters\Tray\FightersTray.exe
 - %ProgramFiles%\Fighters\SLOW-PCfighter\UpDates.zip
 - %ProgramFiles%\Fighters\SLOW-PCfighter\UpDates.exe
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Uninstall.exe
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Sync.exe
 - %ProgramFiles%\Fighters\SLOW-PCfighter\SLOW-PCfighter.exe
 - %ProgramFiles%\Fighters\SLOW-PCfighter\sfhtml.dll
 - %ProgramFiles%\Fighters\SLOW-PCfighter\MsgSys.exe
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_ZH.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_TW.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\language_TR.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_TH.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_SV.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_RU.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_RO.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_PT.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_PL.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_NO.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_NL.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_KO.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\language_JA.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_IT.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_ID.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_HU.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_HR.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_FR.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_FI.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_ES.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_EN.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\language_EN-US.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_EL.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_DE.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_DA.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\Language_CS.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\Languages\language_BG.xml
 - %ProgramFiles%\Fighters\SLOW-PCfighter\CommonToolkitSuiteLight.dll
 - %ProgramFiles%\Fighters\SLOW-PCfighter\CommonToolkitSuite.cts
 - %AllUsersProfile%\Application Data\Fighters\Tray\Menu\vfpro.ico
 - %AllUsersProfile%\Application Data\Fighters\Tray\Menu\swpro.ico
 - %AllUsersProfile%\Application Data\Fighters\Tray\Menu\sfpro.ico
 - %AllUsersProfile%\Application Data\Fighters\Tray\Menu\rcpro.ico
 - %AllUsersProfile%\Application Data\Fighters\Tray\Menu\products_list.xml
 - %AllUsersProfile%\Application Data\Fighters\Tray\Menu\fdpro.ico
 - %AllUsersProfile%\Application Data\Fighters\Tray\Logs\CommonTrayInstaller.log.txt
 - %AllUsersProfile%\Application Data\Fighters\Tray\Configurations\TKTRAY.xml
 - %AllUsersProfile%\Application Data\Fighters\Tray\Configurations\RCPRO.xml
 - %AllUsersProfile%\Application Data\Fighters\SLOW-PCfighter\wxfdata.wxf
 - %AllUsersProfile%\Application Data\Fighters\SLOW-PCfighter\TipofDay_EN.xml
 - %AppData%\Fighters\Tray\Updates\TKTRAYINFO.list_new
 - %AppData%\Fighters\Tray\Updates\TKTRAYINFO.list
 - %AppData%\Fighters\Tray\Updates\TKTRAY-UPD-RCPRO\install_manifest.tus
 - %AppData%\Fighters\Tray\Menu\vfpro.ico
 - %AppData%\Fighters\Tray\Menu\swpro.ico
 - %AppData%\Fighters\Tray\Menu\sfpro.ico
 - %AppData%\Fighters\Tray\Menu\rcpro.ico
 - %AppData%\Fighters\Tray\Menu\products_list.xml
 - %AppData%\Fighters\Tray\Menu\fdpro.ico
 - %AppData%\Fighters\Tray\Logs\Tray.log.txt
 
The registry is modified to run Win32/WinMaximizer at each Windows start.
In subkey: HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Sets value: "CommonToolkitTray"
With data: "%ProgramFiles%\Fighters\Tray\FightersTray.exe"
During installation, it adds the following values in the registry subkey "HKLM\Software\Windows\CurrentVersion\SharedDLLs":
- %ProgramFiles%\Fighters\Tray\Translations\Language_EN.xml
 - %ProgramFiles%\Fighters\Tray\sfhtml.dll
 - %ProgramFiles%\Fighters\Tray\MsgSys.exe
 - %ProgramFiles%\Fighters\Tray\FightersTray.exe
 - %ProgramFiles%\Fighters\SLOW-PCfighter\sfhtml.dll
 - %ProgramFiles%\Fighters\SLOW-PCfighter\MsgSys.exe
 - %AllUsersProfile%\Application Data\Fighters\Tray\Menu\products_list.xml
 - %AllUsersProfile%\Application Data\Fighters\Tray\Configurations\TKTRAY.xml
 
Analysis by Aaron Hulett
Last update 29 February 2012
