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Win32.HLLW.Siggen.10555
Added to the Dr.Web virus database:
2024-02-02
Virus description added:
2024-03-30
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[HKLM\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] '?????' = '%ALLUSERSPROFILE%\Synaptics\Synaptics.exe'
Infects the following executable files
%HOMEPATH%\desktop\notepad.exe
Modifies file system
Creates the following files
<Current directory>\._cache_<File name>.exe
%ALLUSERSPROFILE%\synaptics\synaptics.exe
<Current directory>\._cache_synaptics.exe
%TEMP%\ewczjlrh.exe
%TEMP%\rcxbc2d.tmp
%TEMP%\ewczjlrh.ico
%TEMP%\rcxbecd.tmp
Sets the 'hidden' attribute to the following files
<Current directory>\._cache_<File name>.exe
%ALLUSERSPROFILE%\synaptics\synaptics.exe
<Current directory>\._cache_synaptics.exe
Deletes the following files
%TEMP%\ewczjlrh.exe
%TEMP%\ewczjlrh.ico
Moves the following files
from %TEMP%\rcxbc2d.tmp to %TEMP%\ewczjlrh.exe
from %TEMP%\rcxbecd.tmp to %TEMP%\ewczjlrh.exe
Network activity
Connects to
TCP
HTTP GET requests
http://fr####s.afraid.org/api/?ac###########################################################
UDP
DNS ASK xr##.mooo.com
DNS ASK fr####s.afraid.org
Miscellaneous
Searches for the following windows
ClassName: 'MS_WINHELP' WindowName: ''
Creates and executes the following
'<Current directory>\._cache_<File name>.exe'
'%ALLUSERSPROFILE%\synaptics\synaptics.exe' InjUpdate
'<Current directory>\._cache_synaptics.exe' InjUpdate
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