Win32.HLLW.Autoruner2.33629
Added to the Dr.Web virus database:
2018-02-27
Virus description added:
2018-02-27
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'f5e50fe4b2f483c21e79f2ed0bd88a76' = '"%TEMP%\FormatFactory.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'f5e50fe4b2f483c21e79f2ed0bd88a76' = '"%TEMP%\FormatFactory.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\f5e50fe4b2f483c21e79f2ed0bd88a76.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\f5e50fe4b2f483c21e79f2ed0bd88a76.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\FormatFactory.exe' = '%TEMP%\FormatFactory.exe:*:Enabled:Format...
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\FormatFactory.exe" "FormatFactory.exe" ENABLE
Modifies file system:
Creates the following files:
Sets the 'hidden' attribute to the following files:
- %TEMP%\FormatFactory.exe
- %HOMEPATH%\Start Menu\Programs\Startup\f5e50fe4b2f483c21e79f2ed0bd88a76.exe
- <Drive name for removable media>:\f5e50fe4b2f483c21e79f2ed0bd88a76.exe
- <Drive name for removable media>:\autorun.inf
Miscellaneous:
Creates and executes the following:
- '%TEMP%\FormatFactory.exe'
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