Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows MsLogon Service' = 'mslogon.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Update' = '%TEMP%\service2.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\BACKUP\RESTORE\msdriver.exe
- <Drive name for removable media>:\BACKUP\RESTORE\Desktop.ini
Malicious functions:
Creates and executes the following:
- '%TEMP%\mslogon.exe'
Modifies file system :
Creates the following files:
- %TEMP%\mslogon.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\BACKUP\RESTORE\msdriver.exe
- %TEMP%\mslogon.exe
Network activity:
Connects to:
- 'la####rosoft.info':31232
UDP:
- DNS ASK la####rosoft.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'