Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\command] '' = '"<LS_APPDATA>\stg.exe" -a "%PROGRAM_FILES%\Internet Explorer\iexplore.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '483227614' = '<LS_APPDATA>\stg.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>\stg.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%\fx3fhl5pp1033f564gedrb4n157m7048ko4c1r8w764
- %HOMEPATH%\Templates\fx3fhl5pp1033f564gedrb4n157m7048ko4c1r8w764
- %ALLUSERSPROFILE%\Application Data\fx3fhl5pp1033f564gedrb4n157m7048ko4c1r8w764
- <LS_APPDATA>\stg.exe
- <LS_APPDATA>\fx3fhl5pp1033f564gedrb4n157m7048ko4c1r8w764
Deletes itself.
Network activity:
Connects to:
- 'pa####kavygaj.com':80
- 'gi####powaqa.com':80
- 'gi###eceta.com':80
- 'ho####mitajy.com':80
- 'wi###ypihag.com':80
- 'sy####lurypugi.com':80
- 'si####qilugoq.com':80
- 'wa####qohuli.com':80
- 'mo####xazyby.com':80
- 'qo###ifelaw.com':80
- 'bi####qojivu.com':80
- 'ci####cuqekexo.com':80
- 'pi####xuwisin.com':80
- 'le####vasezo.com':80
- 'he###ixiru.com':80
- 'po###ybaru.com':80
- 'le###ehup.com':80
- 'wy###ediwo.com':80
- 'ra####bareme.com':80
- 'ti###uqel.com':80
- 'ci####rijugeg.com':80
- 'he###yheduf.com':80
- 'fo####wupode.com':80
- 'le####jezociw.com':80
- 'su###ebaq.com':80
- 'pe###ehywe.com':80
- 'za####tahuryp.com':80
- 'zy####wodojyx.com':80
- 'xi####xegybozi.com':80
UDP:
- DNS ASK gi####powaqa.com
- DNS ASK gi###eceta.com
- DNS ASK ci####cuqekexo.com
- DNS ASK pa####kavygaj.com
- DNS ASK sy####lurypugi.com
- DNS ASK si####qilugoq.com
- DNS ASK ho####mitajy.com
- DNS ASK pi####xuwisin.com
- DNS ASK qo###ifelaw.com
- DNS ASK qo###avede.com
- DNS ASK la####cosibuw.com
- DNS ASK mo####xazyby.com
- DNS ASK le####vasezo.com
- DNS ASK bi####qojivu.com
- DNS ASK wa####qohuli.com
- DNS ASK wi###ypihag.com
- DNS ASK ra####bareme.com
- DNS ASK wy###ediwo.com
- DNS ASK za####tahuryp.com
- DNS ASK po###ybaru.com
- DNS ASK ti###uqel.com
- DNS ASK ci####rijugeg.com
- DNS ASK he###yheduf.com
- DNS ASK le###ehup.com
- DNS ASK le####jezociw.com
- DNS ASK su###ebaq.com
- DNS ASK he###ixiru.com
- DNS ASK fo####wupode.com
- DNS ASK xi####xegybozi.com
- DNS ASK zy####wodojyx.com
- DNS ASK pe###ehywe.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'msascui_class' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
