Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command] '' = '"<LS_APPDATA>\fao.exe" -a "%PROGRAM_FILES%\Internet Explorer\iexplore.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '4184148182' = '<LS_APPDATA>\fao.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfmon.exe' = '<SYSTEM32>\ctfmon.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '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] 'EnableFirewall' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Creates and executes the following:
- <LS_APPDATA>\fao.exe -gav <Full path to virus>
Terminates or attempts to terminate
the following user processes:
- chrome.exe
- opera.exe
- iexplore.exe
- firefox.exe
Modifies file system :
Creates the following files:
- %TEMP%\b4533677386ox8d755e6s4
- %HOMEPATH%\Templates\b4533677386ox8d755e6s4
- %ALLUSERSPROFILE%\Application Data\b4533677386ox8d755e6s4
- <LS_APPDATA>\fao.exe
- <LS_APPDATA>\b4533677386ox8d755e6s4
Deletes itself.
Network activity:
Connects to:
- 'xe###agyxut.com':80
- 'xe###ider.com':80
- 'da####kidepo.com':80
- 'gi###ylite.com':80
- 'le###alyri.com':80
- 'du####bimude.com':80
- 'za###eduhyb.com':80
- 'dy####cojame.com':80
- 'fi###axavys.com':80
- 'ti###iwof.com':80
- 'le###esax.com':80
- 'ja####kuxilufo.com':80
- 'py###ujij.com':80
- 'wu####xuboly.com':80
- 'go###udesu.com':80
- 'qo####xiwidaz.com':80
UDP:
- DNS ASK bo####qexise.com
- DNS ASK di###onido.com
- DNS ASK fi###eqipif.com
- DNS ASK jo####tuhowa.com
- DNS ASK he####kejepuvo.com
- DNS ASK so###yjek.com
- DNS ASK ho###ozupuf.com
- DNS ASK jo###umehyn.com
- DNS ASK cy####dyhotolo.com
- DNS ASK xo###ehyni.com
- DNS ASK ty####pobuvy.com
- DNS ASK microsoft.com
- DNS ASK ve###asibi.com
- DNS ASK my####nybihy.com
- DNS ASK jo###ijito.com
- DNS ASK ku###yfybex.com
- DNS ASK wu####dejypo.com
- DNS ASK qo####xiwidaz.com
- DNS ASK go###udesu.com
- DNS ASK wu####xuboly.com
- DNS ASK py###ujij.com
- DNS ASK ja####kuxilufo.com
- DNS ASK le###esax.com
- DNS ASK ti###iwof.com
- DNS ASK fi###axavys.com
- DNS ASK dy####cojame.com
- DNS ASK za###eduhyb.com
- DNS ASK du####bimude.com
- DNS ASK le###alyri.com
- DNS ASK gi###ylite.com
- DNS ASK da####kidepo.com
- DNS ASK xe###ider.com
- DNS ASK xe###agyxut.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'msascui_class' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
