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Win32.HLLM.Limar.4549

Added to the Dr.Web virus database: 2013-10-30

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '<Virus name>' = '<Full path to virus>'
Modifies file system :
Creates the following files:
  • <SYSTEM32>\ewfwbc131.tld
  • <SYSTEM32>\ewfwbc131.tlt
  • %TEMP%\696E.tmp
  • <SYSTEM32>\dalvcv.fxs
  • %TEMP%\6E7F.tmp
  • <SYSTEM32>\ewfwbc131.tli
Deletes the following files:
  • <SYSTEM32>\ewfwbc131.tlt
  • %TEMP%\696E.tmp
  • <SYSTEM32>\ewfwbc131.tli
  • %TEMP%\6E7F.tmp
  • <SYSTEM32>\ewfwbc131.tld
Network activity:
Connects to:
  • 'ww##.##onren563dzho1.cn':80
  • 'zh####n563dzho2.cn':80
TCP:
HTTP GET requests:
  • ww##.##onren563dzho1.cn/RM?h=##############################
  • zh####n563dzho2.cn/out2/msn_imailer_v10.txt
UDP:
  • DNS ASK ww##.##onren563dzho1.cn
  • DNS ASK zh####n563dzho2.cn