Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /F'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\iqhxvnmbpctqiti] 'Name' = '%TEMP%\2.tmp'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nauve' = '%HOMEPATH%\nauve.exe /X'
Creates the following files on removable media:
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\nauve.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\nauvex.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- %HOMEPATH%\cxcess.exe
- %HOMEPATH%\dxcess.exe
- %HOMEPATH%\bxcess.exe
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\nauve.exe
Executes the following:
- <SYSTEM32>\cmd.exe /c ""%HOMEPATH%\a.bat" "
- <SYSTEM32>\cmd.exe /c ""%TEMP%\7ZSfx000.cmd" "
- <SYSTEM32>\tasklist.exe
- <SYSTEM32>\svchost.exe
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\spoolsv.exe
the following user processes:
- firefox.exe
- iexplore.exe
- YahooMessenger.exe
- msnmsgr.exe
- ICQ.exe
Searches for windows to
detect programs and games:
- ClassName: 'SkinuxWindow' WindowName: 'MySpaceIM with Skype'
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Hides the following processes:
Modifies file system :
Creates the following files:
- %TEMP%\Aqz..bat
- %HOMEPATH%\a.bat
- %TEMP%\1.tmp
- %TEMP%\7ZSfx000.cmd
- %WINDIR%\Temp\3.tmp
- %HOMEPATH%\bxcess.exe
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\cxcess.exe
- %HOMEPATH%\nauve.exe
- %HOMEPATH%\dxcess.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\nauve.exe
- <Drive name for removable media>:\nauvex.exe
- %HOMEPATH%\nauve.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %TEMP%\2.tmp
- %WINDIR%\Temp\3.tmp
- %TEMP%\7ZSfx000.cmd
- %HOMEPATH%\bxcess.exe
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\cxcess.exe
Moves the following files:
- from %HOMEPATH%\dxcess.exe to %TEMP%\4.tmp
- from %TEMP%\1.tmp to %TEMP%\2.tmp
Deletes itself.
Network activity:
Connects to:
- 'me####taonline.net':80
UDP:
- DNS ASK me####taonline.net
- DNS ASK ya##o.co.jp
- DNS ASK qq.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
