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Win32.HLLW.Autoruner2.62411
Added to the Dr.Web virus database:
2019-09-20
Virus description added:
2019-09-22
Technical Information
To ensure autorun and distribution
Creates or modifies the following files
%HOMEPATH%\start menu\programs\startup\1d5ce748c0e3eb65a36c07facf08ada1.exe
Creates the following files on removable media
<Drive name for removable media>:\1d5ce748c0e3eb65a36c07facf08ada1.exe
<Drive name for removable media>:\autorun.inf
Malicious functions
To bypass firewall, removes or modifies the following registry keys
[<HKLM>\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\fРѕntdrvhРѕst.exe' = '%TEMP%\fРѕntdrvhРѕst.exe:*:Enabled:fР...
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%\fРѕntdrvhРѕst.exe" "fРѕntdrvhРѕst.exe" ENABLE
Modifies file system
Creates the following files
Sets the 'hidden' attribute to the following files
<Drive name for removable media>:\1d5ce748c0e3eb65a36c07facf08ada1.exe
<Drive name for removable media>:\autorun.inf
%TEMP%\fрѕntdrvhрѕst.exe
%HOMEPATH%\start menu\programs\startup\1d5ce748c0e3eb65a36c07facf08ada1.exe
Network activity
UDP
DNS ASK ww#####www.zapto.org
Miscellaneous
Creates and executes the following
'%TEMP%\fрѕntdrvhрѕst.exe'
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\fРѕntdrvhРѕst.exe" "fРѕntdrvhРѕst.exe" ENABLE' (with hidden window)
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