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Win32.HLLW.Autoruner2.45410
Added to the Dr.Web virus database:
2018-08-15
Virus description added:
2018-08-15
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dwm.exe' = '"%ALLUSERSPROFILE%\dwm.exe" ..'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'dwm.exe' = '"%ALLUSERSPROFILE%\dwm.exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\dwm.exe
Creates the following files on removable media:
<Drive name for removable media>:\dwm.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
'<SYSTEM32>\taskkill.exe' /F /IM wscript.exe
'<SYSTEM32>\taskkill.exe' /F /IM cmd.exe
Terminates or attempts to terminate
the following system processes:
Modifies file system:
Creates the following files:
<SYSTEM32>\ctfmon.exe.new
%ALLUSERSPROFILE%\dwm.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\dwm.exe
%ALLUSERSPROFILE%\dwm.exe
Moves the following system files:
from <SYSTEM32>\ctfmon.exe to %TEMP%\86651
Moves the following files:
from <STUBS_DIR>\ecmd\ecmd.exe to %TEMP%\75745
from %HOMEPATH%\Start Menu\Programs\Startup\desktop.ini to %TEMP%\28115
from %HOMEPATH%\Start Menu\Programs\Startup\Shortcut to startup_local.lnk to %TEMP%\40676
from %HOMEPATH%\Start Menu\Programs\Startup\desktop.ini to %TEMP%\76284
from %HOMEPATH%\Start Menu\Programs\Startup\Shortcut to startup_local.lnk to %TEMP%\89110
Network activity:
Connects to:
'ne####zon.ddns.net':2222
UDP:
DNS ASK ne####zon.ddns.net
Miscellaneous:
Searches for the following windows:
ClassName: '' WindowName: ''
ClassName: '' WindowName: 'AngarCl'
Creates and executes the following:
'%ALLUSERSPROFILE%\dwm.exe' and Settings\\All Users\\dwm.exe\"
Executes the following:
'<SYSTEM32>\schtasks.exe' /Delete /tn NYANP /F
'<SYSTEM32>\schtasks.exe' /create /tn NYANP /tr \"C:\\bf32d3b0\\<File name>.exe\" /sc minute /mo 5
'<SYSTEM32>\schtasks.exe' /create /tn NYANP /tr \"C:\\Documents and Settings\\All Users\\dwm.exe\" /sc minute /mo 5
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