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Win32.HLLW.Autoruner1.24426

Aggiunto al database dei virus Dr.Web: 2012-08-06

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{MB3JKSW-Y883-WE0K-IY6U-SL6N6I178}] 'StubPath' = '<SYSTEM32>\Large\server.exe Restart'
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{MB3JKSW-Y883-WE0K-IY6U-SL6N6I178}] 'StubPath' = ''
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = ''
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCM' = ''
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\Large\server.exe
Injects code into
the following system processes:
  • <SYSTEM32>\spoolsv.exe
  • <SYSTEM32>\svchost.exe
  • <SYSTEM32>\lsass.exe
  • <SYSTEM32>\cscript.exe
  • <SYSTEM32>\alg.exe
  • <SYSTEM32>\ctfmon.exe
  • <SYSTEM32>\smss.exe
  • System
  • %WINDIR%\Explorer.EXE
  • <SYSTEM32>\services.exe
  • <SYSTEM32>\winlogon.exe
  • <SYSTEM32>\csrss.exe
a large number of user processes.
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\XXXX[1].dll
  • %TEMP%\UuU.uUu
  • %APPDATA%\SQLite3.dll
  • %TEMP%\141234.tmp
  • %TEMP%\XX--XX--XX.txt
  • <SYSTEM32>\Large\server.exe
  • %TEMP%\XxX.xXx
  • %APPDATA%\logs.dat
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\logs.dat
  • <SYSTEM32>\Large\server.exe
Deletes the following files:
  • %TEMP%\XxX.xXx
  • %TEMP%\UuU.uUu
  • %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
  • 'ky####00.no-ip.biz':82
  • 'www.se##er.com':80
  • 'localhost':1035
TCP:
HTTP GET requests:
  • www.se##er.com/XXXX.dll
UDP:
  • DNS ASK ky####00.no-ip.biz
  • DNS ASK www.se##er.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''