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Win32.HLLW.Autoruner1.57213
Added to the Dr.Web virus database:
2013-09-27
Virus description added:
2013-09-27
Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
<Drive name for removable media>:\vir\winlogon.exe
<Drive name for removable media>:\autorun.infautorun.infautorun.infautorun.infautorun.infautorun.inf
<Drive name for removable media>:\autorun.infautorun.infautorun.infautorun.inf
<Drive name for removable media>:\vir\desktop.ini
Malicious functions:
Executes the following:
'<SYSTEM32>\wscript.exe' "%TEMP%\Temporal34.vbs"
Modifies file system :
Creates the following files:
C:\vir\winlogon.exe
%TEMP%\Temporal34.txt
C:\autorun.infautorun.inf
C:\vir\desktop.ini
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\vir\winlogon.exe
<Drive name for removable media>:\vir\desktop.ini
<Full path to virus>
<Drive name for removable media>:\autorun.infautorun.infautorun.infautorun.infautorun.infautorun.inf
C:\vir\desktop.ini
C:\autorun.infautorun.inf
<Drive name for removable media>:\autorun.infautorun.infautorun.infautorun.inf
C:\vir\winlogon.exe
Moves the following files:
from %TEMP%\Temporal34.txt to %TEMP%\Temporal34.vbs
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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