Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
blocks the following features:
- User Account Control (UAC)
Creates and executes the following:
- '%TEMP%\lcvfOIOVss\Ddoser.exe'
Executes the following:
- '<SYSTEM32>\attrib.exe' "%TEMP%\lcvfOIOVss" +s +h
- '<SYSTEM32>\attrib.exe' "%TEMP%\lcvfOIOVss\Ddoser.exe" +s +h
- '<SYSTEM32>\notepad.exe'
Injects code into
the following system processes:
- <SYSTEM32>\notepad.exe
Modifies file system :
Creates the following files:
- %TEMP%\lcvfOIOVss\Ddoser.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\lcvfOIOVss\Ddoser.exe
Network activity:
Connects to:
- 'ch#####n.servemp3.com':6660
UDP:
- DNS ASK ch#####n.servemp3.com
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: '(null)'
- ClassName: 'SysListView32' WindowName: '(null)'
- ClassName: '#32770' WindowName: '<Auxiliary name>'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
