Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '%APPDATA%\WindowsUpdate.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%APPDATA%\Pin.exe'
- '%APPDATA%\Windows Update.exe'
Modifies file system :
Creates the following files:
- %APPDATA%\Pin.exe
- %APPDATA%\WindowsUpdate.exe
- %TEMP%\32DC8.dmp
- %TEMP%\dw.log
- %APPDATA%\Windows Update.exe
- %TEMP%\SysInfo.txt
- %APPDATA%\pidloc.txt
- %APPDATA%\pid.txt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
Deletes itself.
Network activity:
Connects to:
- 'pa###bin.com':80
- 'ma##.######somachinesreviewsshop.com':25
TCP:
HTTP GET requests:
- pa###bin.com/raw.php?i=########
UDP:
- DNS ASK pa###bin.com
- DNS ASK wp#d
- DNS ASK ma##.######somachinesreviewsshop.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'