Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows System' = '%HOMEPATH%\My Documents\WinSys32.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows System' = '%HOMEPATH%\My Documents\WinSys32.exe'
Malicious functions:
Executes the following:
- '%HOMEPATH%\My Documents\dll32.exe' %HOMEPATH%\My Documents\WinSys32.exe
- '%HOMEPATH%\My Documents\WinSys32.exe'
Modifies file system:
Creates the following files:
- %HOMEPATH%\My Documents\dll32.exe
- %HOMEPATH%\My Documents\WinSys32.exe
Deletes the following files:
- %HOMEPATH%\My Documents\WinSys32.exe
Network activity:
Connects to:
- 'localhost':6667
