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Profil

Win32.HLLM.Graz.337

Added to the Dr.Web virus database: 2013-07-30

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' = 'hlpilogon.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:
  • opera.exe
Modifies file system :
Creates the following files:
  • <SYSTEM32>\hlpilogon.exe
  • <Current directory>\bestellung.pdf
  • %TEMP%\Adobe.exe
Deletes the following files:
  • %TEMP%\Adobe.exe
Network activity:
Connects to:
  • 'ck#####obrw.mrbasic.com':80
  • 'ne####beg.sytes.net':80
  • 'uv#####neht.myftp.org':80
  • 'er##o.net':80
  • '74.##5.232.51':80
  • 'fi###ice.com':80
  • 'ev##hop.net':80
TCP:
HTTP GET requests:
  • 74.##5.232.51/
HTTP POST requests:
  • uv#####neht.myftp.org/net/?-2########
  • ne####beg.sytes.net/net/?22#######
  • ev##hop.net/net/?22########
  • fi###ice.com/net/?82#######
  • ev##hop.net/net/?-2#########
  • fi###ice.com/net/?92#####
  • ck#####obrw.mrbasic.com/net/?82#######
  • er##o.net/net/?-2#########
UDP:
  • DNS ASK ck#####obrw.mrbasic.com
  • DNS ASK ne####beg.sytes.net
  • DNS ASK uv#####neht.myftp.org
  • DNS ASK er##o.net
  • DNS ASK www.google.com
  • DNS ASK fi###ice.com
  • DNS ASK ev##hop.net