Win32.HLLW.Siggen.5601
Added to the Dr.Web virus database:
2015-03-04
Virus description added:
2015-03-04
Technical Information
To ensure autorun and distribution:
Infects the following executable files:
- %CommonProgramFiles%\Java\Java Update\jusched.exe
- %CommonProgramFiles%\Java\Java Update\jucheck.exe
Creates the following files on removable media:
- <Drive name for removable media>:\pjtjm.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
blocks the following features:
- User Account Control (UAC)
- Windows Security Center
Creates and executes the following:
- '%TEMP%\svchost.exe'
- '%TEMP%\cfga.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES8B7.tmp" "%TEMP%\vbc897.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\ya1vlgfi.cmdline"
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\FirewallControlPanel.dll,ShowNotificationDialog /configure /ETOnly 0 /OnProfiles 6 /OtherAllowed 0 /OtherBlocked 0 /OtherEdgeAllowed 0 /NewBlocked 2 "%TEMP%\cfga.exe"
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
- %TEMP%\pwyjd.exe
- C:\autorun.inf
- %TEMP%\ya1vlgfi.exe
- %APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe
- C:\etij.exe
- \Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
- \Device\Mup\.host\Shared Folders\vm_shara\owrtld.exe
- \Device\HarddiskVolume3\autorun.inf
- \Device\HarddiskVolume3\xwbha.pif
- %TEMP%\RES8B7.tmp
- %TEMP%\cfga.exe
- %TEMP%\OPyCUU57t.resources
- %TEMP%\iyo.resources
- %TEMP%\svchost.exe
- %TEMP%\MSNPSharp.dll
- %TEMP%\ya1vlgfi.out
- %TEMP%\vbc897.tmp
- %TEMP%\ya1vlgfi.0.vb
- %TEMP%\ya1vlgfi.cmdline
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\pjtjm.exe
- <Drive name for removable media>:\autorun.inf
- \Device\Mup\.host\Shared Folders\vm_shara\owrtld.exe
- \Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
- C:\etij.exe
- C:\autorun.inf
- \Device\HarddiskVolume3\xwbha.pif
- \Device\HarddiskVolume3\autorun.inf
Deletes the following files:
- %TEMP%\ya1vlgfi.out
- %TEMP%\ya1vlgfi.0.vb
- %TEMP%\pwyjd.exe
- %TEMP%\ya1vlgfi.cmdline
- %TEMP%\ya1vlgfi.exe
- %TEMP%\svchost.exe
- %TEMP%\cfga.exe
- %TEMP%\vbc897.tmp
- %TEMP%\RES8B7.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'OleMainThreadWndClass' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
欢迎下载
Dr.Web for Android
-
免费3个月
-
可使用所有保护组件
-
可在AppGallery/Google Pay延期
继续使用此网站意味着您同意我们使用Cookie文件和其他用于收集网站访问统计信息的技术手段。详细信息