Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '13cf9d8bf1b79e8de8ac0fe37a6739fe' = '"%TEMP%\Microsoft.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '13cf9d8bf1b79e8de8ac0fe37a6739fe' = '"%TEMP%\Microsoft.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\13cf9d8bf1b79e8de8ac0fe37a6739fe.exe
Creates the following files on removable media:
- <Drive name for removable media>:\tv1.eXe.lnk
- <Drive name for removable media>:\Autorun.ini.lnk
- <Drive name for removable media>:\Autorun.ini
- <Drive name for removable media>:\tv1.eXe
- <Drive name for removable media>:\13cf9d8bf1b79e8de8ac0fe37a6739fe.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Microsoft.exe' = '%TEMP%\Microsoft.exe:*:Enabled:Microsoft.exe'
Creates and executes the following:
- '%TEMP%\Microsoft.exe'
- '<SYSTEM32>\tv2.exe'
- '%APPDATA%\tv1.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Microsoft.exe" "Microsoft.exe" ENABLE
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Microsoft\tvPlayer\Uninstall.ini
- %PROGRAM_FILES%\Microsoft\tvPlayer\Uninstall.exe
- %TEMP%\Microsoft.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\401[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\301[1]
- %TEMP%\$inst\temp_0.tmp
- %TEMP%\$inst\2.tmp
- %APPDATA%\tv1.exe
- %PROGRAM_FILES%\Microsoft\tvPlayer\PotPlayer.lnk
- <SYSTEM32>\tv2.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.ini
- <Drive name for removable media>:\tv1.eXe
- <Drive name for removable media>:\13cf9d8bf1b79e8de8ac0fe37a6739fe.exe
Deletes the following files:
- %TEMP%\$inst\2.tmp
- %TEMP%\$inst\temp_0.tmp
Modifies the HOSTS file.
Network activity:
Connects to:
- 'th####atebay.org':80
- 'ko####.myvnc.com':9933
TCP:
HTTP GET requests:
- th####atebay.org/top/401
- th####atebay.org/top/301
UDP:
- DNS ASK th####atebay.org
- DNS ASK ko####.myvnc.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
