Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WinUSB Driver' = '"<SYSTEM32>\usbwinsv.exe"'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\usbwinsv.exe
Executes the following:
- <SYSTEM32>\cmd.exe /c <SYSTEM32>\ms90.bat
Modifies file system :
Creates the following files:
- <SYSTEM32>\oledv32.dll
- <SYSTEM32>\usbwinsv.exe
- <SYSTEM32>\ms90.bat
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
