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Profil

Win32.HLLW.Autoruner.51957

Added to the Dr.Web virus database: 2011-06-17

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\2352038072] 'Name' = '"%TEMP%\3.tmp"'
Creates the following files on removable media:
  • <Drive name for removable media>:\YzZ.ico
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
  • <Current directory>\3.exe 
  • %HOMEPATH%\vctauc.exe 
  • <Current directory>\2.exe 
  • <Current directory>\aDg1teHPu7EoEu0h5MRHYGNzQfy2WI.exe 
  • <Current directory>\1.exe 
  • "%TEMP%\lgvnww.exe" (downloaded from the Internet)
  • "%TEMP%\750234914" (downloaded from the Internet)
  • "%TEMP%\gxbu.exe" (downloaded from the Internet)
  • "%TEMP%\isep.exe" (downloaded from the Internet)
  • "%TEMP%\adoav.exe" (downloaded from the Internet)
  • "%TEMP%\byyfietb.exe" (downloaded from the Internet)
Executes the following:
  • <SYSTEM32>\tasklist.exe
  • <SYSTEM32>\svchost.exe
Injects code into
the following system processes:
  • <SYSTEM32>\spoolsv.exe
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'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\fcppqhklp[1].php
  • %TEMP%\gxbu.exe
  • %TEMP%\byyfietb.exe
  • %TEMP%\adoav.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\ylzzd[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\pptgxlb[1].php
  • %TEMP%\lgvnww.exe
  • %TEMP%\750234914
  • %TEMP%\Rlb..bat
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\nersim[1].php
  • <Current directory>\aDg1teHPu7EoEu0h5MRHYGNzQfy2WI.exe
  • %TEMP%\2.tmp
  • <Current directory>\3.exe
  • <Current directory>\1.exe
  • <Current directory>\2.exe
  • %TEMP%\isep.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\tpggk[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\zzjwaaosf[1].php
  • %WINDIR%\Temp\4.tmp
  • %HOMEPATH%\vctauc.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\YzZ.ico
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\vctauc.exe
Deletes the following files:
  • <Current directory>\1.exe
  • <Current directory>\3.exe
  • %WINDIR%\Temp\4.tmp
  • %TEMP%\3.tmp
  • <DRIVERS>\etc\hosts
Deletes itself.
Network activity:
Connects to:
  • 'aa###lic.com':80
  • 'wo###irect.in':80
TCP:
HTTP GET requests:
  • aa###lic.com/sjxkoboffw/pptgxlb.php?ad################################
  • aa###lic.com/sjxkoboffw/nersim.php?ad################################
  • aa###lic.com/sjxkoboffw/xxobsfwwn.php?ad##############################################################
  • aa###lic.com/sjxkoboffw/zimnarrvz.php?ad################################
  • aa###lic.com/sjxkoboffw/tpggk.php?ad################################
  • aa###lic.com/sjxkoboffw/zzjwaaosf.php?ad################################
  • aa###lic.com/sjxkoboffw/fcppqhklp.php?ad################################
  • aa###lic.com/sjxkoboffw/ylzzd.php?ad################################
HTTP POST requests:
  • wo###irect.in/8723he7e72.php?in##############################################################################################################
UDP:
  • DNS ASK wo###irect.in
  • DNS ASK aa###lic.com
  • DNS ASK go##le.at
  • DNS ASK na##d.ru

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