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Win32.HLLW.Autoruner1.17844
Added to the Dr.Web virus database:
2012-06-25
Virus description added:
2012-07-15
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Classes\cfgfile\shell\Open\command] '' = '%WINDIR%\windows.exe'
[<HKLM>\SOFTWARE\Classes\exedfile\Shell\Open\Command] '' = '"%1" %*'
[<HKLM>\SOFTWARE\Classes\excfile\shell\open\command] '' = '"%1" %*'
[<HKLM>\SOFTWARE\Classes\.com] '' = 'cfgFile'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'explores' = 'C:\BootEx.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] ' SysMonitor' = '%WINDIR%\sysa.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe %WINDIR%\Sysa.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] ' SysMonitor' = '%WINDIR%\sysa.exe'
Creates the following files on removable media:
<Drive name for removable media>:\index.htm
<Drive name for removable media>:\index\homedata.exe
<Drive name for removable media>:\foldhta.hta
<Drive name for removable media>:\Desktop.ini
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\materi.exe
<Drive name for removable media>:\help.exe
<Drive name for removable media>:\.exe
<Drive name for removable media>:\-723557692.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
file extensions
Creates and executes the following:
%WINDIR%\sysb.exe
%WINDIR%\sysa.exe
%WINDIR%\WinSystem.exe
Executes the following:
%WINDIR%\explorer.exe <Current directory>\<Virus name>
Modifies settings of Windows Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFind' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'DisallowRun' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoSetFolders' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoSMHelp' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRecentDocsMenu' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFavoritesMenu' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoPrinterTabs' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoDeletePrinter' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoAddPrinter' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoViewContextMenu' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoTrayContextMenu' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoControlPanel' = '00000001'
Modifies file system :
Creates the following files:
%WINDIR%\system\oeminfo.ini
%WINDIR%\system\oemlogo.bmp
C:\log.exe
C:\bootex.exe
<SYSTEM32>\WindowsProtection.exe
<SYSTEM32>\oeminfo.ini
%WINDIR%\sysb.exe
%WINDIR%\Log.txt
%WINDIR%\sysa.exe
<SYSTEM32>\oemlogo.bmp
<Current directory>\<Virus name>\<Virus name>.exe
%WINDIR%\WinSystem.exe
%WINDIR%\Win System.exe
C:\encrypt.txt
<Current directory>\Log.txt
%WINDIR%\windows.exe
%WINDIR%\MonitorSetup.exe
%WINDIR%\MonitorMission.run
%WINDIR%\SystemMonitor64.exe
%WINDIR%\WinSys32.exe
%WINDIR%\runrunrun.exe
Deletes the following files:
%TEMP%\~DF8071.tmp
%TEMP%\~DFCE76.tmp
Miscellaneous:
Searches for the following windows:
ClassName: '' WindowName: 'sysa'
ClassName: 'explorewclass' WindowName: ''
ClassName: '' WindowName: 'sysb'
ClassName: '' WindowName: 'winsystem'
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: ''
ClassName: 'cabinetwclass' WindowName: ''
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