Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '%TEMP%\rundll.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%APPDATA%\hostsvc.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'System' = '%APPDATA%\hostsvc.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Sys.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
blocks the following features:
- User Account Control (UAC)
Creates and executes the following:
- '%TEMP%\rundll.exe'
- '%APPDATA%\hostsvc.exe'
- '%TEMP%\rundll.sfx.exe' -pfudencoded -d%HOMEPATH%\Local Settings\Temp
- '%TEMP%\hostsvc.sfx.exe' -pfudencoded -d%HOMEPATH%\Local Settings\Temp
- '%TEMP%\hostsvc.exe'
Executes the following:
- '<SYSTEM32>\attrib.exe' "%HOMEPATH%\Local Settings\Temp" +s +h
- '<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
- '<SYSTEM32>\attrib.exe' "%TEMP%\hostsvc.exe" +s +h
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\run.bat" "
- '<SYSTEM32>\notepad.exe'
Injects code into
the following system processes:
- <SYSTEM32>\notepad.exe
Terminates or attempts to terminate
the following user processes:
- outpost.exe
- bdagent.exe
- chrome.exe
- AVP.EXE
Modifies file system :
Creates the following files:
- %HOMEPATH%\My Documents\Downloads\MSN-crack.exe
- %HOMEPATH%\My Documents\Downloads\MSN Gaming Zone-crack.exe
- %HOMEPATH%\My Documents\Downloads\NetMeeting-crack.exe
- %HOMEPATH%\My Documents\Downloads\MSBuild-crack.exe
- %HOMEPATH%\My Documents\Downloads\microsoft frontpage-crack.exe
- %HOMEPATH%\My Documents\Downloads\Microsoft.NET-crack.exe
- %HOMEPATH%\My Documents\Downloads\Movie Maker-crack.exe
- %HOMEPATH%\My Documents\Downloads\Online Services-crack.exe
- %HOMEPATH%\My Documents\Downloads\Windows NT-crack.exe
- %HOMEPATH%\My Documents\Downloads\WindowsUpdate-crack.exe
- %HOMEPATH%\My Documents\Downloads\xerox-crack.exe
- %HOMEPATH%\My Documents\Downloads\Windows Media Player-crack.exe
- %HOMEPATH%\My Documents\Downloads\Outlook Express-crack.exe
- %HOMEPATH%\My Documents\Downloads\Reference Assemblies-crack.exe
- %HOMEPATH%\My Documents\Downloads\Uninstall Information-crack.exe
- %APPDATA%\hostsvc.exe
- %TEMP%\rundll.exe
- C:\Sys.exe
- %TEMP%\hostsvc.exe
- %TEMP%\run.bat
- %TEMP%\rundll.sfx.exe
- %TEMP%\hostsvc.sfx.exe
- C:\autorun.inf
- %HOMEPATH%\My Documents\Downloads\FireFox-crack.exe
- %HOMEPATH%\My Documents\Downloads\Internet Explorer-crack.exe
- %HOMEPATH%\My Documents\Downloads\Messenger-crack.exe
- %HOMEPATH%\My Documents\Downloads\ComPlus Applications-crack.exe
- \Device\LanmanRedirector\CRNJEUFU\Program Settings\winadmin-setup.exe
- C:\Program Settings\winadmin-setup.exe
- %HOMEPATH%\My Documents\Downloads\Common Files-crack.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
- C:\autorun.inf
- %APPDATA%\hostsvc.exe
- C:\Sys.exe
Deletes the following files:
- %TEMP%\hostsvc.exe
Network activity:
Connects to:
- 'wp#d':80
- 'au######on.whatismyip.com':80
- 'fu#####ded.no-ip.biz':80
- 'localhost':445
TCP:
HTTP GET requests:
- au######on.whatismyip.com/n09230945.asp
- wp#d/wpad.dat
UDP:
- DNS ASK au######on.whatismyip.com
- DNS ASK wp#d
- DNS ASK fu#####ded.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: '(null)'
- ClassName: 'SysListView32' WindowName: '(null)'
- ClassName: '#32770' WindowName: ''
- ClassName: '#32770' WindowName: '<Auxiliary name>'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
