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Win32.HLLW.Autoruner1.24998
Added to the Dr.Web virus database:
2012-08-17
Virus description added:
2012-09-07
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Yahoo Messenger' = '<SYSTEM32>\Jumoong4.avi.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Jumoong4.avi.exe
<Drive name for removable media>:\autorun.inf
Malicious functions:
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)
Creates and executes the following:
<Drive name for removable media>:\Jumoong4.avi.exe
C:\Jumoong4.avi.exe
<SYSTEM32>\Jumoong4.avi.exe
Modifies settings of Windows Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
C:\Jumoong4.avi.exe
%TEMP%\~DF29D6.tmp
%TEMP%\~DF9D2F.tmp
<SYSTEM32>\Jumoong4.avi.exe
C:\autorun.inf
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Jumoong4.avi.exe
<SYSTEM32>\Jumoong4.avi.exe
C:\autorun.inf
Deletes the following files:
%TEMP%\~DF990F.tmp
%TEMP%\~DFB5A0.tmp
%TEMP%\~DFF0D1.tmp
%TEMP%\~DFAFCC.tmp
Miscellaneous:
Searches for the following windows:
ClassName: '' WindowName: 'System Configuration Utility'
ClassName: '' WindowName: 'Folder Options'
ClassName: '' WindowName: 'Registry Editor'
ClassName: '' WindowName: 'Windows Task Manager'
ClassName: '' WindowName: 'Control Panel'
ClassName: '' WindowName: 'Setup'
ClassName: '' WindowName: 'Panda Global Protection 2009 Setup'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: 'avast! Antivirus Setup'
ClassName: '' WindowName: 'Kaspersky Anti-Virus 2009'
ClassName: '' WindowName: 'ESET NOD32 Antivirus Setup'
ClassName: '' WindowName: 'Anti virus'
ClassName: '' WindowName: 'My Computer'
ClassName: '' WindowName: 'Copying...'
ClassName: '' WindowName: 'System Restore'
ClassName: '' WindowName: 'Search Results'
ClassName: '' WindowName: 'User Accounts'
ClassName: '' WindowName: 'Moving...'
ClassName: '' WindowName: 'Run'
ClassName: '' WindowName: 'Antivirus'
ClassName: '' WindowName: 'Media'
ClassName: '' WindowName: 'System32'
ClassName: '' WindowName: 'WINDOWS'
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