Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = 'explorer.exe <SYSTEM32>\svchost..exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\svchost..exe
Malicious functions:
Creates and executes the following:
- %TEMP%\lwemon.exe
- <SYSTEM32>\svchost..exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\checkip.dyndns[1].55394569668
- %TEMP%\~ip.tmp
- <SYSTEM32>\autorun.ini
- <SYSTEM32>\processlist.txt
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\whatismyip[1].97022931813
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\checkip.dyndns[1].2974733077
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\whatismyip[1].2239272345
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1].3148929195
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\whatismyip[1].19855778199
- %TEMP%\aut2.tmp
- %TEMP%\vrtqmvg
- %TEMP%\aut1.tmp
- <SYSTEM32>\svchost..exe
- %TEMP%\aut3.tmp
- <SYSTEM32>\1.txt
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\sever[1].txt
- %TEMP%\lwemon.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sever[1].txt
Deletes the following files:
- <SYSTEM32>\1.txt
- %TEMP%\~ip.tmp
- <SYSTEM32>\processlist.txt
- %TEMP%\aut3.tmp
- %TEMP%\aut1.tmp
- %TEMP%\aut2.tmp
- %TEMP%\vrtqmvg
Network activity:
Connects to:
- 'ch####p.dyndns.org':80
- 'www.wh###smyip.com':80
- 'ce######ne19.byethost2.com':80
- 'sa######2010.byethost5.com':80
TCP:
HTTP GET requests:
- www.wh###smyip.com/?rn#########################################
- ch####p.dyndns.org/?rn#########################################
- ch####p.dyndns.org/?rn########################################
- ce######ne19.byethost2.com/data/sever.txt
- sa######2010.byethost5.com/data/sever.txt
UDP:
- DNS ASK ch####p.dyndns.org
- DNS ASK www.wh###smyip.com
- DNS ASK ce######ne19.byethost2.com
- DNS ASK sa######2010.byethost5.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
