Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Google Upgrade Assistant.exe
Malicious functions:
Creates and executes the following:
- '%TEMP%\7zZNE97HE7V\svchost.exe' -k NetworkService
Modifies file system:
Creates the following files:
- %TEMP%\Cab5.tmp
- %TEMP%\Cab3.tmp
- %TEMP%\Cab1.tmp
Deletes the following files:
- %TEMP%\Cab5.tmp
- %TEMP%\Cab3.tmp
- %TEMP%\Cab1.tmp
Network activity:
Connects to:
- 'www.download.windowsupdate.com':80
- 'wp#d':80
TCP:
HTTP GET requests:
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt
- http://11#.#11.111.1/wpad.dat via wp#d
UDP:
- DNS ASK www.download.windowsupdate.com
- DNS ASK wp#d
