Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Sun Java Updater v4' = '<SYSTEM32>\javacpl.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\Desktop.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\javacpl.exe' = '<SYSTEM32>\javacpl.exe:*:Enabled:Explorer'
Creates and executes the following:
- <SYSTEM32>\javaup.exe
Terminates or attempts to terminate
the following user processes:
- Drweb32w.exe
- Drwebupw.exe
- AVP.EXE
- ekrn.exe
- MCAGENT.EXE
- bdss.exe
- bdagent.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\javaup.exe
- <SYSTEM32>\KB851397025.log
- <SYSTEM32>\javacpl.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\RECYCLER\S-1-6-21-2434476521-1645641927-702000330-1542\redmond.exe
- <SYSTEM32>\javacpl.exe
Deletes the following files:
- <SYSTEM32>\KB851397025.log
Network activity:
Connects to:
- 'www.wh###smyip.com':80
TCP:
HTTP GET requests:
- www.wh###smyip.com/automation/n09230945.asp
UDP:
- DNS ASK www.wh###smyip.com