Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'Microsoft(R) Service Update' = '%HOMEPATH%\Microsoft-Driver-9-72-2475-9627-8645\winrsvn.exe'
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\Microsoft-Driver-9-72-2475-9627-8645\winrsvn.exe' = '%H...
Injects code into
the following user processes:
- winrsvn.exe
Modifies file system
Creates the following files
- %HOMEPATH%\microsoft-driver-9-72-2475-9627-8645\winrsvn.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\microsoft-driver-9-72-2475-9627-8645\winrsvn.exe
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\microsoft-driver-9-72-2475-9627-8645\winrsvn.exe'
- '%HOMEPATH%\microsoft-driver-9-72-2475-9627-8645\winrsvn.exe' ' (with hidden window)
