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Christian Mairoll

Windows PC Defender Adware Removal Instructions

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The Emsi Software malware research team has discoverd a new outbreak for the Windows PC Defender adware. a-squared Anti-Malware detect this malware as Adware.Win32.WindowsPCDefender.

Windows PC Defender is rogue security software that show false warning messages and show misleading scan results. The advertisement will state that you are infected and then prompt you to download Windows PC Defender to your computer. If you download and install Windows PC Defender, it will start automatically when your computer starts. The installer will also create numerous harmless files on your computer, usually at Recent folder, that are used to impersonate malware files. Once the program is running it will scan your computer and then display these files as infections, but will not allow you to remove them until you purchase the program.

The main program will extract several files to (the name of the files and directory for this rogue are random):

%CommonAppData%b0cf5WPba6.exe
%CommonAppData%WPCDSyswpcd.cfg
%AppData%MicrosoftInternet ExplorerQuick LaunchWindows PC Defender.lnk
%AppData%Windows PC DefenderInstructions.ini
%UserProfile%Cookiesindex.dat
%UserProfile%Cookiesvirus [email protected][1].txt
%UserProfile%Desktop1587.mof
%UserProfile%DesktopWindows PC Defender.lnk
%UserProfile%DesktopWPCD.ico
%UserProfile%DesktopBackUpHyperSnap-DX.lnk
%UserProfile%DesktopWPCDSysvd952342.bd
%UserProfile%RecentANTIGEN.tmp
%UserProfile%Recentcb.dll
%UserProfile%Recentcid.exe
%UserProfile%Recentcid.sys
%UserProfile%RecentCLSV.drv
%UserProfile%Recentexec.drv
%UserProfile%Recentfix.sys
%UserProfile%Recentgrid.tmp
%UserProfile%Recentkernel32.tmp
%UserProfile%RecentPE.sys
%UserProfile%RecentPE.tmp
%UserProfile%Recentppal.drv
%UserProfile%RecentSM.tmp
%UserProfile%Recenttjd.sys
%UserProfile%Recenttjd.tmp
%UserProfile%Start MenuWindows PC Defender.lnk
%UserProfile%Start MenuProgramsWindows PC Defender.lnk

And create new registry entry:

HKEY_LOCAL_MACHINEsoftwaremicrosoftWindowsCurrentVersionRunWindows PC Defender

This rogue also try to modify hosts file:

74.125.45.100 4-open-davinci.com
74.125.45.100 securitysoftwarepayments.com
74.125.45.100 privatesecuredpayments.com
74.125.45.100 secure.privatesecuredpayments.com
74.125.45.100 getantivirusplusnow.com
74.125.45.100 secure-plus-payments.com
74.125.45.100 www.getantivirusplusnow.com
74.125.45.100 www.secure-plus-payments.com
74.125.45.100 www.getavplusnow.com
74.125.45.100 www.securesoftwarebill.com
74.125.45.100 secure.paysecuresystem.com
74.125.45.100 paysoftbillsolution.com
206.53.61.77 google.ae
206.53.61.77 google.as
206.53.61.77 google.at
206.53.61.77 google.az
206.53.61.77 google.ba
206.53.61.77 google.be
206.53.61.77 google.bg
206.53.61.77 google.bs
206.53.61.77 google.ca
206.53.61.77 google.cd
206.53.61.77 google.com.gh
206.53.61.77 google.com.hk
206.53.61.77 google.com.jm
206.53.61.77 google.com.mx
206.53.61.77 google.com.my
206.53.61.77 google.com.na
206.53.61.77 google.com.nf
206.53.61.77 google.com.ng
206.53.61.77 google.ch
206.53.61.77 google.com.np
206.53.61.77 google.com.pr
206.53.61.77 google.com.qa
206.53.61.77 google.com.sg
206.53.61.77 google.com.tj
206.53.61.77 google.com.tw
206.53.61.77 google.dj
206.53.61.77 google.de
206.53.61.77 google.dk
206.53.61.77 google.dm
206.53.61.77 google.ee
206.53.61.77 google.fi
206.53.61.77 google.fm
206.53.61.77 google.fr
206.53.61.77 google.ge
206.53.61.77 google.gg
206.53.61.77 google.gm
206.53.61.77 google.gr
206.53.61.77 google.ht
206.53.61.77 google.ie
206.53.61.77 google.im
206.53.61.77 google.in
206.53.61.77 google.it
206.53.61.77 google.ki
206.53.61.77 google.la
206.53.61.77 google.li
206.53.61.77 google.lv
206.53.61.77 google.ma
206.53.61.77 google.ms
206.53.61.77 google.mu
206.53.61.77 google.mw
206.53.61.77 google.nl
206.53.61.77 google.no
206.53.61.77 google.nr
206.53.61.77 google.nu
206.53.61.77 google.pl
206.53.61.77 google.pn
206.53.61.77 google.pt
206.53.61.77 google.ro
206.53.61.77 google.ru
206.53.61.77 google.rw
206.53.61.77 google.sc
206.53.61.77 google.se
206.53.61.77 google.sh
206.53.61.77 google.si
206.53.61.77 google.sm
206.53.61.77 google.sn
206.53.61.77 google.st
206.53.61.77 google.tl
206.53.61.77 google.tm
206.53.61.77 google.tt
206.53.61.77 google.us
206.53.61.77 google.vu
206.53.61.77 google.ws
206.53.61.77 google.co.ck
206.53.61.77 google.co.id
206.53.61.77 google.co.il
206.53.61.77 google.co.in
206.53.61.77 google.co.jp
206.53.61.77 google.co.kr
206.53.61.77 google.co.ls
206.53.61.77 google.co.ma
206.53.61.77 google.co.nz
206.53.61.77 google.co.tz
206.53.61.77 google.co.ug
206.53.61.77 google.co.uk
206.53.61.77 google.co.za
206.53.61.77 google.co.zm
206.53.61.77 google.com
206.53.61.77 google.com.af
206.53.61.77 google.com.ag
206.53.61.77 google.com.ar
206.53.61.77 google.com.au
206.53.61.77 google.com.bn
206.53.61.77 google.com.br
206.53.61.77 google.com.by
206.53.61.77 google.com.bz
206.53.61.77 google.com.cu
206.53.61.77 google.com.ec
206.53.61.77 google.com.fj
206.53.61.77 www.google.ae
206.53.61.77 www.google.as
206.53.61.77 www.google.at
206.53.61.77 www.google.az
206.53.61.77 www.google.ba
206.53.61.77 www.google.be
206.53.61.77 www.google.bg
206.53.61.77 www.google.bs
206.53.61.77 www.google.ca
206.53.61.77 www.google.cd
206.53.61.77 www.google.com.gh
206.53.61.77 www.google.com.hk
206.53.61.77 www.google.com.jm
206.53.61.77 www.google.com.mx
206.53.61.77 www.google.com.my
206.53.61.77 www.google.com.na
206.53.61.77 www.google.com.nf
206.53.61.77 www.google.com.ng
206.53.61.77 www.google.ch
206.53.61.77 www.google.com.np
206.53.61.77 www.google.com.pr
206.53.61.77 www.google.com.qa
206.53.61.77 www.google.com.sg
206.53.61.77 www.google.com.tj
206.53.61.77 www.google.com.tw
206.53.61.77 www.google.dj
206.53.61.77 www.google.de
206.53.61.77 www.google.dk
206.53.61.77 www.google.dm
206.53.61.77 www.google.ee
206.53.61.77 www.google.fi
206.53.61.77 www.google.fm
206.53.61.77 www.google.fr
206.53.61.77 www.google.ge
206.53.61.77 www.google.gg
206.53.61.77 www.google.gm
206.53.61.77 www.google.gr
206.53.61.77 www.google.ht
206.53.61.77 www.google.ie
206.53.61.77 www.google.im
206.53.61.77 www.google.in
206.53.61.77 www.google.it
206.53.61.77 www.google.ki
206.53.61.77 www.google.la
206.53.61.77 www.google.li
206.53.61.77 www.google.lv
206.53.61.77 www.google.ma
206.53.61.77 www.google.ms
206.53.61.77 www.google.mu
206.53.61.77 www.google.mw
206.53.61.77 www.google.nl
206.53.61.77 www.google.no
206.53.61.77 www.google.nr
206.53.61.77 www.google.nu
206.53.61.77 www.google.pl
206.53.61.77 www.google.pn
206.53.61.77 www.google.pt
206.53.61.77 www.google.ro
206.53.61.77 www.google.ru
206.53.61.77 www.google.rw
206.53.61.77 www.google.sc
206.53.61.77 www.google.se
206.53.61.77 www.google.sh
206.53.61.77 www.google.si
206.53.61.77 www.google.sm
206.53.61.77 www.google.sn
206.53.61.77 www.google.st
206.53.61.77 www.google.tl
206.53.61.77 www.google.tm
206.53.61.77 www.google.tt
206.53.61.77 www.google.us
206.53.61.77 www.google.vu
206.53.61.77 www.google.ws
206.53.61.77 www.google.co.ck
206.53.61.77 www.google.co.id
206.53.61.77 www.google.co.il
206.53.61.77 www.google.co.in
206.53.61.77 www.google.co.jp
206.53.61.77 www.google.co.kr
206.53.61.77 www.google.co.ls
206.53.61.77 www.google.co.ma
206.53.61.77 www.google.co.nz
206.53.61.77 www.google.co.tz
206.53.61.77 www.google.co.ug
206.53.61.77 www.google.co.uk
206.53.61.77 www.google.co.za
206.53.61.77 www.google.co.zm
206.53.61.77 www.google.com
206.53.61.77 www.google.com.af
206.53.61.77 www.google.com.ag
206.53.61.77 www.google.com.ar
206.53.61.77 www.google.com.au
206.53.61.77 www.google.com.bn
206.53.61.77 www.google.com.br
206.53.61.77 www.google.com.by
206.53.61.77 www.google.com.bz
206.53.61.77 www.google.com.cu
206.53.61.77 www.google.com.ec
206.53.61.77 www.google.com.fj
206.53.61.77 google.com
206.53.61.77 www.google.com
206.53.61.77 bing.com
206.53.61.77 www.bing.com
206.53.61.77 search.yahoo.com
206.53.61.77 www.search.yahoo.com
206.53.61.77 search.live.com
206.53.61.77 search.msn.com

Malware screenshots:

WindowsPCDefender_1.png

WindowsPCDefender_2.png

WindowsPCDefender_3.png

WindowsPCDefender_4.png

WindowsPCDefender_5.png

WindowsPCDefender_6.png

WindowsPCDefender_7.png

How to remove the infection of Adware.Win32.WindowsPCDefender?

To delete this malware infection, please download and install a-squared Anti-Malware. Run a full scan on all drives and move all detected items to the quarantine



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