Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'UPnP Removal Client Connections' = '%APPDATA%\xfxhxwux\nngczgtih.exe'
Malicious functions:
Creates and executes the following:
- '%APPDATA%\xfxhxwux\casplmsod.exe' "%APPDATA%\xfxhxwux\nngczgtih.exe"
- '%APPDATA%\xfxhxwux\nngczgtih.exe'
Modifies file system:
Creates the following files:
- %APPDATA%\xfxhxwux\nngczgtih.vg
- %APPDATA%\xfxhxwux\casplmsod.exe
- %APPDATA%\xfxhxwux\nngczgtih.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\xfxhxwux\casplmsod.exe
- %APPDATA%\xfxhxwux\nngczgtih.exe
Network activity:
Connects to:
- 'wh####rchoose.net':80
- 'fo####nhowever.net':80
- 'ri###choose.net':80
- 'ri####lthough.net':80
- 'wh####ralthough.net':80
- 'fo####nalthough.net':80
- 'su####although.net':80
- 'su####period.net':80
- 'su####however.net':80
- 'fo####nperiod.net':80
- 'fi####although.net':80
- 'th####choose.net':80
- 'th####although.net':80
- 'th####period.net':80
- 'fi####period.net':80
- 'ri###period.net':80
- 'wh####rperiod.net':80
- 'wh####rhowever.net':80
- 'fi####choose.net':80
- 'ri####owever.net':80
- 'fo####nchoose.net':80
- 'be####ealthough.net':80
- 'ex####although.net':80
- 'ex####period.net':80
- 'ex####however.net':80
- 'be####eperiod.net':80
- 'ei####thrown.net':80
- 'en####hstorm.net':80
- 'en####hthrown.net':80
- 'be####echoose.net':80
- 'ex####choose.net':80
- 'ma####eperiod.net':80
- 'pe####period.net':80
- 'pe####however.net':80
- 'su####choose.net':80
- 'ma####ehowever.net':80
- 'pe####choose.net':80
- 'be####ehowever.net':80
- 'ma####echoose.net':80
- 'ma####ealthough.net':80
- 'pe####although.net':80
TCP:
HTTP GET requests:
- http://wh####rchoose.net/index.php?em#########################################
- http://fo####nhowever.net/index.php?em#########################################
- http://ri###choose.net/index.php?em#########################################
- http://ri####lthough.net/index.php?em#########################################
- http://wh####ralthough.net/index.php?em#########################################
- http://fo####nalthough.net/index.php?em#########################################
- http://su####although.net/index.php?em#########################################
- http://su####period.net/index.php?em#########################################
- http://su####however.net/index.php?em#########################################
- http://fo####nperiod.net/index.php?em#########################################
- http://fi####although.net/index.php?em#########################################
- http://th####choose.net/index.php?em#########################################
- http://th####although.net/index.php?em#########################################
- http://th####period.net/index.php?em#########################################
- http://fi####period.net/index.php?em#########################################
- http://ri###period.net/index.php?em#########################################
- http://wh####rperiod.net/index.php?em#########################################
- http://wh####rhowever.net/index.php?em#########################################
- http://fi####choose.net/index.php?em#########################################
- http://ri####owever.net/index.php?em#########################################
- http://fo####nchoose.net/index.php?em#########################################
- http://be####ealthough.net/index.php?em#########################################
- http://ex####although.net/index.php?em#########################################
- http://ex####period.net/index.php?em#########################################
- http://ex####however.net/index.php?em#########################################
- http://be####eperiod.net/index.php?em#########################################
- http://ei####thrown.net/index.php?em#########################################
- http://en####hstorm.net/index.php?em#########################################
- http://en####hthrown.net/index.php?em#########################################
- http://be####echoose.net/index.php?em#########################################
- http://ex####choose.net/index.php?em#########################################
- http://ma####eperiod.net/index.php?em#########################################
- http://pe####period.net/index.php?em#########################################
- http://pe####however.net/index.php?em#########################################
- http://su####choose.net/index.php?em#########################################
- http://ma####ehowever.net/index.php?em#########################################
- http://pe####choose.net/index.php?em#########################################
- http://be####ehowever.net/index.php?em#########################################
- http://ma####echoose.net/index.php?em#########################################
- http://ma####ealthough.net/index.php?em#########################################
- http://pe####although.net/index.php?em#########################################
UDP:
- DNS ASK wh####rchoose.net
- DNS ASK fo####nhowever.net
- DNS ASK ri###choose.net
- DNS ASK ri####lthough.net
- DNS ASK wh####ralthough.net
- DNS ASK fo####nalthough.net
- DNS ASK su####although.net
- DNS ASK su####period.net
- DNS ASK su####however.net
- DNS ASK fo####nperiod.net
- DNS ASK fi####although.net
- DNS ASK th####choose.net
- DNS ASK th####although.net
- DNS ASK th####period.net
- DNS ASK fi####period.net
- DNS ASK ri###period.net
- DNS ASK wh####rperiod.net
- DNS ASK wh####rhowever.net
- DNS ASK fi####choose.net
- DNS ASK ri####owever.net
- DNS ASK fo####nchoose.net
- DNS ASK be####ealthough.net
- DNS ASK ex####although.net
- DNS ASK ex####period.net
- DNS ASK ex####however.net
- DNS ASK be####eperiod.net
- DNS ASK ei####thrown.net
- DNS ASK en####hstorm.net
- DNS ASK en####hthrown.net
- DNS ASK be####echoose.net
- DNS ASK ex####choose.net
- DNS ASK ma####eperiod.net
- DNS ASK pe####period.net
- DNS ASK pe####however.net
- DNS ASK su####choose.net
- DNS ASK ma####ehowever.net
- DNS ASK pe####choose.net
- DNS ASK be####ehowever.net
- DNS ASK ma####echoose.net
- DNS ASK ma####ealthough.net
- DNS ASK pe####although.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''