Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Martin Prikryl' = '%APPDATA%\hcujarrf\iivggiaw.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\installed.vbe
Malicious functions:
Executes the following:
- '%WINDIR%\explorer.exe'
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Modifies file system:
Creates the following files:
- %APPDATA%\hcujarrf\iivggiaw.exe
- %APPDATA%\installed.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\hcujarrf\iivggiaw.exe
Deletes itself.
Network activity:
Connects to:
- 'ag##a.ws':80
- '20#.#6.232.182':80
- 'wp#d':80
TCP:
HTTP GET requests:
- http://11#.#11.111.1/wpad.dat via wp#d
HTTP POST requests:
- http://su#####.microsoft.com/kb/958484 via 20#.#6.232.182
- http://su#####.microsoft.com/ via 20#.#6.232.182
- http://go.###rosoft.com/fwlink/?Li########## via 20#.#6.232.182
- http://go.###rosoft.com/fwlink/?Li########### via 20#.#6.232.182
UDP:
- DNS ASK su#####.microsoft.com
- DNS ASK ag##a.ws
- DNS ASK go.###rosoft.com
- DNS ASK wp#d
- DNS ASK www.ms#.com
