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Win32.HLLW.Autoruner.51497

Added to the Dr.Web virus database: 2011-06-07

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\3246707776] 'Name' = '"%TEMP%\3.tmp"'
Creates the following files on removable media:
  • <Drive name for removable media>:\gjrap.exe
  • <Drive name for removable media>:\glk.ico
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
  • %HOMEPATH%\vmnat.exe 
  • %HOMEPATH%\gjrap.exe 
  • %HOMEPATH%\ustat2.exe 
  • %HOMEPATH%\ti1qlErB9gyG2t8LE6.exe 
  • %HOMEPATH%\ustat1.exe 
  • "%TEMP%\vlnjwlil.exe" (downloaded from the Internet)
  • "%TEMP%\yjeqmxs.exe" (downloaded from the Internet)
  • "%TEMP%\trqwcc.exe" (downloaded from the Internet)
  • "%TEMP%\ojsbbw.exe" (downloaded from the Internet)
  • "%TEMP%\ogqpmmg.exe" (downloaded from the Internet)
  • "%TEMP%\jcxwpv.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:
  • %TEMP%\jcxwpv.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\vvvmmddhvl[1].php
  • %TEMP%\ojsbbw.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\ivjwneei[1].php
  • %TEMP%\vlnjwlil.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\lmzdd[1].php
  • %TEMP%\yjeqmxs.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\sbsfwao[1].php
  • %TEMP%\trqwcc.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\bosgwxbeff[1].php
  • %HOMEPATH%\ustat2.exe
  • %HOMEPATH%\vmnat.exe
  • %HOMEPATH%\ti1qlErB9gyG2t8LE6.exe
  • %HOMEPATH%\ustat1.exe
  • %HOMEPATH%\gjrap.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\scctgxkbb[1].php
  • %TEMP%\ogqpmmg.exe
  • %TEMP%\2.tmp
  • %WINDIR%\Temp\4.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\glk.ico
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\gjrap.exe
Deletes the following files:
  • <DRIVERS>\etc\hosts
  • %WINDIR%\Temp\4.tmp
  • %HOMEPATH%\ustat2.exe
  • %TEMP%\3.tmp
Network activity:
Connects to:
  • 'ap#.#ostip.info':80
  • 'aa###lic.com':80
  • '74.##5.232.51':80
TCP:
HTTP GET requests:
  • aa###lic.com/bdqqu/lmzdd.php?ad################################
  • aa###lic.com/bdqqu/sbsfwao.php?ad################################
  • ap#.#ostip.info/country.php
  • aa###lic.com/bdqqu/lyyyzdduh.php?ad################################
  • aa###lic.com/bdqqu/nnrfjmqeh.php?ad################################
  • aa###lic.com/bdqqu/scctgxkbb.php?ad################################
  • 74.##5.232.51/
  • aa###lic.com/bdqqu/bosgwxbeff.php?ad################################
  • aa###lic.com/bdqqu/vvvmmddhvl.php?ad################################
  • aa###lic.com/bdqqu/ivjwneei.php?ad################################
UDP:
  • DNS ASK ap#.#ostip.info
  • DNS ASK aa###lic.com
  • DNS ASK google.com
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: 'MNBDjndfbhGYJHDhygdfhgfds'
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: '' WindowName: 'NMBdsjbdfjjhJHDhjdfhjksgd'
  • ClassName: '' WindowName: 'JNDSKJkjdjJHDhgfgdfghjsgfhjkdshj'
  • ClassName: '' WindowName: 'JHDhkdhjggJFHDfgshjfajhfdshj'
  • ClassName: '' WindowName: 'MNDsnbdbbvHGJDGHdgshfgdjksfd'