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Win32.HLLW.Autoruner.53396

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

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\2187642432] 'Name' = '"%TEMP%\3.tmp"'
Creates the following files on removable media:
  • <Drive name for removable media>:\rvcaen.exe
  • <Drive name for removable media>:\xSBN.ico
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
  • %HOMEPATH%\qvpod.exe 
  • %HOMEPATH%\rvcaen.exe 
  • %HOMEPATH%\popz.exe 
  • %HOMEPATH%\oHvrhMHHi4.exe 
  • %HOMEPATH%\popx.exe 
  • "%TEMP%\bumdyjo.exe" (downloaded from the Internet)
  • "%TEMP%\ahcglgo.exe" (downloaded from the Internet)
  • "%TEMP%\sdnb.exe" (downloaded from the Internet)
  • "%TEMP%\ijdnq.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%\ijdnq.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\lyyyzdduh[1].php
  • %TEMP%\sdnb.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\bosgwxbeff[1].php
  • %TEMP%\bumdyjo.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\wjwwnae[1].php
  • %TEMP%\ahcglgo.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\uhhymdqu[1].php
  • %HOMEPATH%\popz.exe
  • %HOMEPATH%\popx.exe
  • %HOMEPATH%\oHvrhMHHi4.exe
  • %HOMEPATH%\qvpod.exe
  • %WINDIR%\Temp\4.tmp
  • %HOMEPATH%\rvcaen.exe
  • %TEMP%\2.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\xSBN.ico
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\rvcaen.exe
Deletes the following files:
  • <DRIVERS>\etc\hosts
  • %WINDIR%\Temp\4.tmp
  • %TEMP%\3.tmp
  • %HOMEPATH%\popz.exe
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/wjwwnae.php?ad################################
  • aa###lic.com/bdqqu/bosgwxbeff.php?ad################################
  • aa###lic.com/bdqqu/vvvmmddhvl.php?ad################################
  • aa###lic.com/bdqqu/lmzdd.php?ad################################
  • aa###lic.com/bdqqu/uhhymdqu.php?ad################################
  • 74.##5.232.51/
  • ap#.#ostip.info/country.php
  • aa###lic.com/bdqqu/lyyyzdduh.php?ad################################
UDP:
  • DNS ASK ap#.#ostip.info
  • DNS ASK aa###lic.com
  • DNS ASK google.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''