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Profile

Win32.HLLM.Graz.345

Added to the Dr.Web virus database: 2013-09-12

Virus description added:

Technical Information

Malicious functions:
Hooks the following functions in System Service Descriptor Table (SSDT):
  • NtTerminateProcess, handler: tcpip103.sys
Modifies file system :
Creates the following files:
  • %PROGRAM_FILES%\ISs8318\Run.zip
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\sjzxhq[1].zip
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\sjzxhq[1].zip
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\sjzxhq[1].zip
  • <DRIVERS>\tcpip103.sys
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sjzxhq[1].ini
  • %PROGRAM_FILES%\ISs8318\log.dat
Sets the 'hidden' attribute to the following files:
  • %PROGRAM_FILES%\ISs8318\Run.zip
  • %PROGRAM_FILES%\ISs8318\log.dat
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\sjzxhq[1].zip
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\sjzxhq[1].zip
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\sjzxhq[1].zip
  • <DRIVERS>\tcpip103.sys
  • %PROGRAM_FILES%\ISs8318\Run.zip
Network activity:
Connects to:
  • 'in#.#gkj.com':80
  • 'in#.#88b.com':80
TCP:
HTTP GET requests:
  • in#.#gkj.com/soft/58wangwei/sjzxhq.zip
  • in#.#88b.com/soft/58wangwei/sjzxhq.zip
  • in#.#88b.com/58wangwei/sjzxhq.ini
UDP:
  • DNS ASK in#.#gkj.com
  • DNS ASK in#.#88b.com