Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MicroUpdate' = '%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'CryptedFile' = '<Full path to virus>'
Malicious functions:
Creates and executes the following:
- '%HOMEPATH%\My Documents\MSDCSC\msdcsc.exe'
- 'C:\sysMemrun.exe'
Modifies file system :
Creates the following files:
- %HOMEPATH%\My Documents\MSDCSC\msdcsc.exe
- C:\sysMemrun.exe
- %APPDATA%intrepid<Virus name>.exe
Sets the 'hidden' attribute to the following files:
- <Full path to virus>
Network activity:
Connects to:
- 'ti######naaier.no-ip.biz':3306
UDP:
- DNS ASK ti######naaier.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
