'%PROGRAM_FILES%\WindowsUpdate\4.exe' (downloaded from the Internet)
'%PROGRAM_FILES%\WindowsUpdate\3.exe' (downloaded from the Internet)
'%PROGRAM_FILES%\WindowsUpdate\300.exe' (downloaded from the Internet)
'%PROGRAM_FILES%\WindowsUpdate\2.exe' (downloaded from the Internet)
Executes the following:
'<SYSTEM32>\cmd.exe' /c <SYSTEM32>\Deleteme.bat
Injects code into
the following system processes:
%WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
%PROGRAM_FILES%\WindowsUpdate\2.exe
%PROGRAM_FILES%\WindowsUpdate\3.exe
%PROGRAM_FILES%\WindowsUpdate\4.exe
<SYSTEM32>\RavMon.exe
<SYSTEM32>\Deleteme.bat
%PROGRAM_FILES%\WindowsUpdate\300.exe
Deletes itself.
Network activity:
Connects to:
'sk#.#q13x.cn':80
'localhost':1039
TCP:
HTTP GET requests:
http://sk#.#q13x.cn/3.exe
http://sk#.#q13x.cn/4.exe
http://sk#.#q13x.cn/300.exe
http://sk#.#q13x.cn/2.exe
UDP:
DNS ASK sk#.#q13x.cn
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
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