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Profil

Win32.HLLM.Perf.96

Added to the Dr.Web virus database: 2016-06-22

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\explorer.exe] 'Debugger' = '%WINDIR%\csrss.exe'
Malicious functions:
Executes the following:
  • '<SYSTEM32>\services.exe' %WINDIR%\csrss.exe
  • '<SYSTEM32>\svchost.exe' %WINDIR%\csrss.exe
  • '%WINDIR%\csrss.exe'
Injects code into
the following system processes:
  • <SYSTEM32>\services.exe
Terminates or attempts to terminate
the following system processes:
  • <SYSTEM32>\svchost.exe
Searches for windows to
bypass different anti-viruses:
  • ClassName: 'AVP.AlertDialog' WindowName: ''
Modifies file system:
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\g[1].php
  • %WINDIR%\csrss.exe
Network activity:
Connects to:
  • 'xe###etuo.com':80
TCP:
HTTP GET requests:
  • http://xe###etuo.com/m2/g.php
UDP:
  • DNS ASK xe###etuo.com