Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Command Processor] 'AutoRun' = '%WINDIR%\system\LRMYO.EXE'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'QGVESI' = '<SYSTEM32>\QGVESI.EXE'
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '<SYSTEM32>\QGVESI.EXE'
Creates the following files on removable media:
- <Drive name for removable media>:\YNJTMJ.EXE
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\QEVWV.EXE
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
Executes the following:
- <SYSTEM32>\rundll32.exe url,FileProtocolHandler
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
- %WINDIR%\system\LRMYO.EXE
- <SYSTEM32>\QGVESI.EXE
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\YNJTMJ.EXE
- <SYSTEM32>\QGVESI.EXE
- %WINDIR%\system\LRMYO.EXE
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'button' WindowName: ''
- ClassName: 'Shell_traywnd' WindowName: ''