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Win32.HLLW.Autoruner1.15502
Added to the Dr.Web virus database:
2012-05-08
Virus description added:
2012-05-28
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Runservices] 'msupdate' = '<SYSTEM32>\msupdate.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'msupdate' = '<SYSTEM32>\msupdate.exe'
Malicious functions:
Creates and executes the following:
<SYSTEM32>\msupdate.exe <Full path to virus>
Executes the following:
Modifies file system :
Creates the following files:
%WINDIR%\syskeyl.sys
<SYSTEM32>\syskbl.dll
<SYSTEM32>\msupdate.exe
Deletes itself.
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