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Win32.HLLW.MyBot.2333
Added to the Dr.Web virus database:
2010-01-21
Virus description added:
2014-07-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Software Licensing' = 'SIsvc.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunServices] 'Microsoft Software Licensing' = 'SIsvc.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Software Licensing' = 'SIsvc.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Microsoft Software Licensing' = 'SIsvc.exe'
Malicious functions:
Creates and executes the following:
'<SYSTEM32>\SIsvc.exe' 444 "<Full path to virus>"
Searches for windows to
detect analytical utilities:
ClassName: 'PROCMON_WINDOW_CLASS' WindowName: '(null)'
ClassName: 'RegMonClass' WindowName: '(null)'
ClassName: 'FileMonClass' WindowName: '(null)'
Modifies file system :
Creates the following files:
%ALLUSERSPROFILE%\Application Data\TEMP:C980DA7D
<SYSTEM32>\SIsvc.exe
Sets the 'hidden' attribute to the following files:
Modifies the HOSTS file.
Deletes itself.
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'ThunderRT6FormDC' WindowName: '(null)'
ClassName: 'ThunderRT6FormDC' WindowName: 'Shareware Cheater v 3.0'
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