Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Stask' = '%WINDIR%\Service.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Hibernate.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Command Prompt (CMD)
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
blocks the following features:
- System Restore (SR)
Executes the following:
- <SYSTEM32>\taskkill.exe /f /im PCMAV-CLN.exe
- <SYSTEM32>\taskkill.exe /f /im avgtray.exe
- <SYSTEM32>\taskkill.exe /f /im avp.exe
Terminates or attempts to terminate
the following user processes:
- AVP.EXE
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoControlPanel' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoStartMenuMorePrograms' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoViewContextMenu' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFind' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoViewOnDrive' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoClose' = '00000001'
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Internet Explorer\Main] 'Window Title' = 'CopyRight by Hynix'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Water lilies.jpg.exe
- %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Winter.jpg.exe
- %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Blue hills.jpg.exe
- %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Sunset.jpg.exe
- C:\Documents and Settings\Default User\Templates\winword.doc.exe
- C:\Documents and Settings\Default User\Templates\winword2.doc.exe
- C:\Documents and Settings\Default User\Templates\excel.xls.exe
- C:\Documents and Settings\Default User\Templates\excel4.xls.exe
- %WINDIR%\config.sys
- %WINDIR%\Energy.exe
- %WINDIR%\Batrey.exe
- %WINDIR%\Hibernate.exe
- C:\Hibernate.exe
- %WINDIR%\AppFaceUi.html
- %WINDIR%\Service.exe
- %WINDIR%\readme.txt
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: 'System Configuration Utility'
- ClassName: '' WindowName: ''
- ClassName: '#32770' WindowName: 'Windows Task Manager'
- ClassName: 'RegEdit_RegEdit' WindowName: 'Registry Editor'
