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Win32.HLLW.Autoruner2.39482
Added to the Dr.Web virus database:
2018-05-17
Virus description added:
2018-05-16
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'scvhost.exe' = '"%HOMEPATH%\scvhost.exe" ..'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'scvhost.exe' = '"%HOMEPATH%\scvhost.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\scvhost.exe
Creates the following files on removable media:
<Drive name for removable media>:\scvhost.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Modifies file system:
Creates the following files:
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\scvhost.exe
%HOMEPATH%\scvhost.exe
Miscellaneous:
Creates and executes the following:
Executes the following:
'<SYSTEM32>\schtasks.exe' /Delete /tn NYANP /F
'<SYSTEM32>\schtasks.exe' /create /tn NYANP /tr "<Full path to file>" /sc minute /mo 5
'<SYSTEM32>\schtasks.exe' /Delete /tn NYAN /F
'<SYSTEM32>\schtasks.exe' /create /tn NYAN /tr "<Full path to file>" /sc minute /mo 1
'<SYSTEM32>\schtasks.exe' /create /tn NYANP /tr "%HOMEPATH%\scvhost.exe" /sc minute /mo 5
'<SYSTEM32>\schtasks.exe' /create /tn NYAN /tr "%HOMEPATH%\scvhost.exe" /sc minute /mo 1
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