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Win32.HLLW.Autoruner1.25562
Added to the Dr.Web virus database:
2012-09-05
Virus description added:
2012-09-26
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'system seafe' = '%WINDIR%\temp\<Virus name>.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'system' = '<SYSTEM32>\<Virus name>.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'patch' = '<Full path to virus>'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'system working' = '%WINDIR%\<Virus name>.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'system seafe' = '%WINDIR%\temp\<Virus name>.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'system' = '<SYSTEM32>\<Virus name>.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'patch' = '<Full path to virus>'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'system working' = '%WINDIR%\<Virus name>.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\RECYCLER\<Virus name>.exe
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)
Modifies settings of Windows Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFind' = '00000001'
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
%WINDIR%\<Virus name>.exe
C:\RECYCLER\<Virus name>.exe
C:\Autorun.inf
<SYSTEM32>\<Virus name>.exe
<SYSTEM32>\info.sys
<Current directory>\Autorun.inf
%WINDIR%\Temp\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
C:\Autorun.inf
C:\RECYCLER\<Virus name>.exe
<Drive name for removable media>:\Autorun.inf
<Drive name for removable media>:\RECYCLER\<Virus name>.exe
%WINDIR%\Temp\<Virus name>.exe
<Current directory>\Autorun.inf
<Full path to virus>
<SYSTEM32>\<Virus name>.exe
%WINDIR%\<Virus name>.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: 'Local Group Policy Editor'
ClassName: '' WindowName: '%USERNAME%: Command Prompt'
ClassName: '' WindowName: '%USERNAME%: <SYSTEM32>\Cmd.exe'
ClassName: '' WindowName: 'System Configuration'
ClassName: '' WindowName: 'Windows Task Manager'
ClassName: '' WindowName: 'Run'
ClassName: '' WindowName: 'Registry Editor'
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