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Win32.HLLW.Autoruner.34687
Added to the Dr.Web virus database:
2012-10-14
Virus description added:
2012-10-18
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:
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:
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: ''
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