Technical Information
Malicious functions:
Creates and executes the following:
- '%APPDATA%\SoftwareUpdater\SUsrv.exe' install
- '%APPDATA%\SoftwareUpdater\SoftwareUpdater.exe' /ch=
- '%APPDATA%\SoftwareUpdater\SUsrv.exe' (downloaded from the Internet)
Modifies file system :
Creates the following files:
- %TEMP%\nsx6.tmp
- %TEMP%\nsr3.tmp
- %TEMP%\nsz2.tmp\Processes.dll
- %TEMP%\nsn7.tmp
- %APPDATA%\SoftwareUpdater\SoftwareUpdater.exe
- %TEMP%\nsz2.tmp\System.dll
- %TEMP%\nsx5.tmp\System.dll
- %TEMP%\nsz2.tmp\inetc.dll
Deletes the following files:
- %TEMP%\nsz2.tmp\Processes.dll
- %TEMP%\nsz2.tmp\System.dll
- %TEMP%\nsx5.tmp\System.dll
- %TEMP%\nsz2.tmp\inetc.dll
Moves the following files:
- from %TEMP%\nsn7.tmp to %APPDATA%\SoftwareUpdater\SUsrv.exe
- from %TEMP%\nsx6.tmp to %APPDATA%\SoftwareUpdater\UpdateNotifier.exe
- from %TEMP%\nsr3.tmp to %APPDATA%\SoftwareUpdater\surunasu.exe
Network activity:
Connects to:
- 'www.do#####d-servers.com':80
TCP:
HTTP GET requests:
- www.do#####d-servers.com/vuupc/dl.php?fn######
UDP:
- DNS ASK www.do#####d-servers.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
