Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'google' = 'http://advgoogle.blogspot.com '
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Yahoo Messengger' = '<SYSTEM32>\scvhost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe scvhost.exe'
Creates or modifies the following files:
- %WINDIR%\Tasks\At1.job
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\scvhost.exe
- <Drive name for removable media>:\New Folder.exe
Malicious functions:
Executes the following:
- <SYSTEM32>\at.exe 09:00 /interactive /EVERY:m,t,w,th,f,s,su <SYSTEM32>\blastclnn.exe
- <SYSTEM32>\at.exe /delete /yes
Modifies file system :
Creates the following files:
- <SYSTEM32>\setting.ini
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\setting[1].doc
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\setting[1].doc
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\setting[1].doc
- <SYSTEM32>\autorun.ini
- %WINDIR%\hinhem.scr
- <SYSTEM32>\scvhost.exe
- <SYSTEM32>\blastclnn.exe
- %WINDIR%\scvhost.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\setting.ini
- <Drive name for removable media>:\autorun.inf
- <SYSTEM32>\autorun.ini
- <SYSTEM32>\scvhost.exe
- <SYSTEM32>\blastclnn.exe
Network activity:
Connects to:
- 'www.fr###ebs.com':80
- 'ad#####le3.9999mb.com':80
- 'ad#####le3.yeahost.com':80
TCP:
HTTP GET requests:
- www.fr###ebs.com/advgoogle3/setting.doc
- ad#####le3.9999mb.com/setting.doc
- ad#####le3.yeahost.com/setting.doc
UDP:
- DNS ASK www.fr###ebs.com
- DNS ASK ad#####le3.9999mb.com
- DNS ASK ad#####le3.yeahost.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
