Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\y0u5056.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Executes the following:
- <SYSTEM32>\attrib.exe +h E:\autorun.inf
- <SYSTEM32>\attrib.exe +h E:\y0u5056.exe
- <SYSTEM32>\attrib.exe +h E:\Mswinsck.ocx
- <SYSTEM32>\cmd.exe /c <Current directory>\idux2p3.bat
- <SYSTEM32>\chcp.com 936
- <SYSTEM32>\ping.exe 127.0.0.1 -n 3
Modifies file system :
Creates the following files:
- <Current directory>\n7vbhi9.ini
- <Current directory>\idux2p3.bat
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\y0u5056.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- '88.##an-shi.com':8
UDP:
- DNS ASK 88.##an-shi.com
- '<Private IP address>':1036