Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ServiceGK' = '%WINDIR%\ServiceGK.exe'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\adb.exe' (downloaded from the Internet)
Executes the following:
- '<SYSTEM32>\sc.exe' delete gbpsv
- '<SYSTEM32>\sc.exe' stop gbpkm
- '<SYSTEM32>\sc.exe' delete gbpkm
- '<SYSTEM32>\sc.exe' stop gbpsv
- '<SYSTEM32>\taskkill.exe' /im gbpsv.exe
- '<SYSTEM32>\sc.exe' config gbpkm start= disabled
- '<SYSTEM32>\sc.exe' config gbpsv start= disabled
Modifies file system :
Creates the following files:
- %WINDIR%\ServiceGK.exe
- %WINDIR%\adb.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\install_flashplayer13x32_mssa_aaa_aih[1].exe
Deletes the following files:
- %WINDIR%\ServiceGK.exe
Network activity:
Connects to:
- 'ai#####load.adobe.com':80
TCP:
HTTP GET requests:
- ai#####load.adobe.com/bin/live/install_flashplayer13x32_mssa_aaa_aih.exe
UDP:
- DNS ASK ai#####load.adobe.com
Miscellaneous:
Searches for the following windows:
- ClassName: '(null)' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
