Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Host Process for Windows Services' = '%APPDATA%\svchost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Host Process for Windows Services' = '%APPDATA%\svchost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\FQTUHHTAO2TDZBN1LDFY3THMZHIH4V\DFG-2352-26235-2322322-624621221-2622255\usbBlock.exe
- <Drive name for removable media>:\FQTUHHTAO2TDZBN1LDFY3THMZHIH4V\DFG-2352-26235-2322322-624621221-2622255\Desktop.ini
Malicious functions:
Creates and executes the following:
- %APPDATA%\svchost.exe
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- %TEMP%\google_cache2.tmp
- %WINDIR%\pchealth\ERRORREP\UserDumps\svchost.exe.20110704-113625-00.mdmp
- %WINDIR%\pchealth\ERRORREP\UserDumps\svchost.exe.20110704-113625-00.hdmp
- %TEMP%\WERc52f.dir00\svchost.exe.mdmp
- %TEMP%\0a37bd6923a37aa4fd316ddcc0934e19.exe
- %TEMP%\winrar-64Bit-393.exe
- %APPDATA%\svchost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\FQTUHHTAO2TDZBN1LDFY3THMZHIH4V\DFG-2352-26235-2322322-624621221-2622255\usbBlock.exe
- %APPDATA%\svchost.exe
Deletes the following files:
- %WINDIR%\pchealth\ERRORREP\UserDumps\svchost.exe.20110704-113625-00.mdmp
- %TEMP%\WERc52f.dir00\svchost.exe.mdmp
Network activity:
Connects to:
- 'bl####d.dyndns.org':4598
UDP:
- DNS ASK bl####d.dyndns.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'BitDefender Firewall Alert'
- ClassName: '' WindowName: 'Windows Security Alert'
