Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ScanRegistry' = 'scanregw.exe /scan'
Malicious functions:
Creates and executes the following:
- %WINDIR%\Rundll16.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\scanregw.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\Count[1]
- %WINDIR%\Rundll16.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\Rundll16.exe
Deletes the following files:
- %TEMP%\~DFFB31.tmp
Network activity:
Connects to:
- 'we#####s.web.rcn.net':80
- 'localhost':1037
- 'localhost':1036
TCP:
HTTP GET requests:
- we#####s.web.rcn.net/cgi-bin/Count.cgi?df#######
UDP:
- DNS ASK we#####s.web.rcn.net
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
