Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{9B71D88C-C598-4935-C5D1-43AA4DB90836}] 'stubpath' = ''
Malicious functions:
Executes the following:
- %WINDIR%\explorer.exe
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
the following user processes:
- msnmsgr.exe
Searches for windows to
detect analytical utilities:
- ClassName: 'pediy06' WindowName: ''
- ClassName: 'GBDYLLO' WindowName: ''
- ClassName: 'OLLYDBG' WindowName: ''
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\System32\msnmsgr.exe
- %APPDATA%\addon.dat
Sets the 'hidden' attribute to the following files:
- %APPDATA%\addon.dat
- %PROGRAM_FILES%\System32\msnmsgr.exe
Network activity:
Connects to:
- 'pe###.no-ip.biz':81
UDP:
- DNS ASK pe###.no-ip.biz