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Win32.HLLW.Autoruner.58950

Added to the Dr.Web virus database: 2011-09-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '<DRIVERS>\spoolsv.exe'
Malicious functions:
Creates and executes the following:
  • <DRIVERS>\spoolsv.exe /waitservice
Executes the following:
  • <SYSTEM32>\dumprep.exe 2796 -dm 7 7 "%TEMP%\WERd047.dir00\spoolsv.exe.hdmp" 16325836412027324
  • <SYSTEM32>\dumprep.exe 2796 -dm 7 7 "%TEMP%\WERd047.dir00\spoolsv.exe.mdmp" 16325836412027304
Modifies file system :
Creates the following files:
  • %TEMP%\WERd047.dir00\spoolsv.exe.hdmp
  • %TEMP%\WERd047.dir00\spoolsv.exe.mdmp
  • %TEMP%\WERd047.dir00\manifest.txt
  • %TEMP%\WERd047.dir00\appcompat.txt
  • %APPDATA%\ieudinit.exe
  • <LS_APPDATA>\clipsrv.exe
  • <DRIVERS>\spoolsv.exe
  • <LS_APPDATA>\comrepl.exe
Network activity:
Connects to:
  • 'www.ka###rus.com':80
TCP:
HTTP GET requests:
  • www.ka###rus.com/img/gt.cgi?s=################
UDP:
  • DNS ASK www.ka###rus.com
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