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Trojan.FakeAV.12347
Added to the Dr.Web virus database:
2012-09-03
Virus description added:
2012-09-24
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\antivirus.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ants.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\apimonitor.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\amon.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\amon9x.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\anti-trojan.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\aplica32.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atro55en.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atupdater.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atwatch.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\apvxdwin.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atcon.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atguard.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\alogserv.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avpcc.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avpm.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_findviru.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avp.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avp32.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ackwin32.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ahnsd.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\alerter.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\alertsvc.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\advxdwin.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\agentsvr.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\agentw.exe] 'Debugger' = '"%HOMEPATH%\6514D49585E42555\winlogon.exe"'
Creates or modifies the following files:
%ALLUSERSPROFILE%\Start Menu\Programs\Startup\Windows Update.exe
%HOMEPATH%\Start Menu\Programs\Startup\Windows Anytime Upgrade.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\6514D49585E42555\winlogon.exe' = '%HOMEPATH%\6514D49585E42555\winlogon.exe:*:Enabled:@xpsp2res.dll,-53342401'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\6514D49585E42555\winlogon.exe' = '%HOMEPATH%\6514D49585E42555\winlogon.exe:*:Enabled:@xpsp2res.dll,-70554750'
[<HKLM>\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\6514D49585E42555\winlogon.exe' = '%HOMEPATH%\6514D49585E42555\winlogon.exe:*:Enabled:@xpsp2res.dll,-28956246'
[<HKLM>\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\6514D49585E42555\winlogon.exe' = '%HOMEPATH%\6514D49585E42555\winlogon.exe:*:Enabled:@xpsp2res.dll,-57951861'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DisableNotifications' = '00000001'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks the following features:
User Account Control (UAC)
Windows Security Center
Creates and executes the following:
%HOMEPATH%\6514D49585E42555\winlogon.exe
Executes the following:
Terminates or attempts to terminate
the following system processes:
the following user processes:
mpftray.exe
NAVAPW32.EXE
MCAGENT.EXE
fsav32.exe
GUARD.EXE
nod32.exe
zapro.exe
ZONEALARM.EXE
smc.exe
opera.exe
outpost.exe
fsav.exe
AVP.EXE
AVP32.EXE
AVP.COM
AVGCC32.EXE
AVGCTRL.EXE
AVPCC.EXE
ecmd.exe
ekrn.exe
ccapp.exe
AVPM.EXE
AVSYNMGR.EXE
Modifies settings of Windows Internet Explorer:
[<HKCU>\Software\Microsoft\Internet Explorer\Download] 'RunInvalidSignatures' = '00000001'
[<HKCU>\Software\Microsoft\Internet Explorer\Download] 'CheckExeSignatures' = 'no'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Associations] 'LowRiskFileTypes' = '.exe'
Modifies file system :
Creates the following files:
%ALLUSERSPROFILE%\Start Menu\Windows DVD Maker.exe
%ALLUSERSPROFILE%\Start Menu\Programs\Windows Media Center.exe
%HOMEPATH%\Start Menu\Programs\Internet Explorer.exe
%HOMEPATH%\6514D49585E42555\winlogon.exe
%HOMEPATH%\Start Menu\Fax y Escaner de Windows.exe
Deletes the following files:
Substitutes the HOSTS file.
Network activity:
Connects to:
'7q##########eo1yx85v291ipletf9.ipgreat.com':80
's6##########u82cmlw87y6tnf2963.ipcheker.com':80
'wh##.amung.us':80
TCP:
HTTP GET requests:
7q##########eo1yx85v291ipletf9.ipgreat.com/
s6##########u82cmlw87y6tnf2963.ipcheker.com/
wh##.amung.us/swidget/26n2qf7pnk0x
UDP:
DNS ASK c0##########mu4uh5fol05ir4xj2w.ipcheker.com
DNS ASK 7q##########eo1yx85v291ipletf9.ipgreat.com
DNS ASK wh##.amung.us
DNS ASK s6##########u82cmlw87y6tnf2963.ipcheker.com
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
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