Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<Virus name>.exe' = '%APPDATA%\<Virus name>.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\pkgoWS.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\pkgoWS.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\6385cca22.exe' = '%APPDATA%\6385cca22.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\lshss.exe' = '%APPDATA%\lshss.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Creates and executes the following:
- %APPDATA%\lshss.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\lshss.exe" /t REG_SZ /d "%APPDATA%\lshss.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\6385cca22.exe" /t REG_SZ /d "%APPDATA%\6385cca22.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\csc.exe /noconfig /fullpaths @"%TEMP%\xa6p2h4r.cmdline"
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:"%TEMP%\RES2.tmp"" "%TEMP%\CSC1.tmp"
Modifies file system :
Creates the following files:
- %TEMP%\xa6p2h4r.dll
- %TEMP%\RES2.tmp
- %APPDATA%\<Virus name>.exe
- %APPDATA%\data.dat
- %APPDATA%\6385cca22.exe
- %TEMP%\xa6p2h4r.0.cs
- %APPDATA%\lshss.exe
- %TEMP%\xa6p2h4r.cmdline
- %TEMP%\CSC1.tmp
- %TEMP%\xa6p2h4r.out
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\pkgoWS.exe
Deletes the following files:
- %TEMP%\xa6p2h4r.dll
- %TEMP%\xa6p2h4r.out
- %TEMP%\xa6p2h4r.0.cs
- %TEMP%\RES2.tmp
- %TEMP%\CSC1.tmp
- %TEMP%\xa6p2h4r.cmdline
Network activity:
Connects to:
- 'ms######eupdate.no-ip.biz':3232
UDP:
- DNS ASK ms######eupdate.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''