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Win32.HLLM.Graz.332

Added to the Dr.Web virus database: 2013-06-10

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\userinit.exe] 'Debugger' = 'winp.exe'
Malicious functions:
Creates and executes the following:
  • '%TEMP%\Adobe.exe'
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
the following user processes:
  • iexplore.exe
Modifies settings of Windows Internet Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
Modifies file system :
Creates the following files:
  • <SYSTEM32>\winp.exe
  • <Current directory>\bestellung.pdf
  • %TEMP%\Adobe.exe
Deletes the following files:
  • %TEMP%\Adobe.exe
Network activity:
Connects to:
  • 'je##qua.com':80
  • 'xo####dif.sytes.net':80
  • '74.##5.232.51':80
  • 'tw###rade.net':80
TCP:
HTTP GET requests:
  • 74.##5.232.51/
HTTP POST requests:
  • xo####dif.sytes.net/f44/myse.php
  • je##qua.com/f44/myse.php
  • tw###rade.net/f44/myse.php
UDP:
  • DNS ASK xo####dif.sytes.net
  • DNS ASK eu#####bus.mrbasic.com
  • DNS ASK og####bop.my03.com
  • DNS ASK gr##i.net
  • DNS ASK www.google.com
  • DNS ASK tw###rade.net
  • DNS ASK je##qua.com

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