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Win32.HLLW.Facebook.1668
Added to the Dr.Web virus database:
2012-10-07
Virus description added:
2012-10-17
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'A-242497966' = '%APPDATA%\A-242497966.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'A-242497966' = '%APPDATA%\A-242497966.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'A-242497966' = '%APPDATA%\A-242497966.exe'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\A-242497966.exe
Malicious functions:
Creates and executes the following:
%TEMP%\JavaUpd.exe
%TEMP%\xblstat.exe 1
%TEMP%\JavaUpd.exe 1
%TEMP%\conhost.exe 1
%TEMP%\conhost.exe
%TEMP%\smss.exe 1
%TEMP%\smss.exe
%TEMP%\realsched.exe
%TEMP%\xblstat.exe
%TEMP%\realsched.exe 1
%TEMP%\AppServices.exe
%TEMP%\BCU.exe 1
%TEMP%\AppServices.exe 1
%TEMP%\taskmgr.exe 1
%TEMP%\taskmgr.exe
%TEMP%\services.exe 1
%TEMP%\services.exe
%TEMP%\lsass.exe
%TEMP%\BCU.exe
%TEMP%\lsass.exe 1
Executes the following:
<SYSTEM32>\schtasks.exe /CREATE /SC ONLOGON /TN A-242497966 /TR %APPDATA%\A-242497966.exe
<SYSTEM32>\cmd.exe /c ""%TEMP%\temp-242497966.bat" "
Modifies file system :
Creates the following files:
%TEMP%\xblstat.exe
%TEMP%\JavaUpd.exe
%TEMP%\conhost.exe
%APPDATA%\A-242497966.exe
%TEMP%\smss.exe
%TEMP%\realsched.exe
%TEMP%\AppServices.exe
%TEMP%\taskmgr.exe
%TEMP%\temp-242497966.bat
%TEMP%\services.exe
%TEMP%\lsass.exe
%TEMP%\BCU.exe
Sets the 'hidden' attribute to the following files:
%APPDATA%\A-242497966.exe
%HOMEPATH%\Start Menu\Programs\Startup\A-242497966.exe
%TEMP%\temp-242497966.bat
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
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