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Win32.HLLW.Autoruner3.2066
Added to the Dr.Web virus database:
2020-03-02
Virus description added:
2020-03-07
Technical Information
To ensure autorun and distribution
Creates the following files on removable media
<Drive name for removable media>:\svchost.exe
<Drive name for removable media>:\autorun.inf
Malicious functions
Executes the following
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\dwm.exe" "dwm.exe" ENABLE
'<SYSTEM32>\taskkill.exe' /F /IM Exsample.exe
Modifies file system
Creates the following files
%HOMEPATH%\dwm.exe
C:\svchost.exe
C:\autorun.inf
D:\svchost.exe
D:\autorun.inf
Sets the 'hidden' attribute to the following files
<Full path to file>
C:\svchost.exe
C:\autorun.inf
D:\svchost.exe
D:\autorun.inf
<Drive name for removable media>:\svchost.exe
<Drive name for removable media>:\autorun.inf
Miscellaneous
Searches for the following windows
ClassName: '' WindowName: ''
Creates and executes the following
'%HOMEPATH%\dwm.exe'
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\dwm.exe" "dwm.exe" ENABLE' (with hidden window)
'<SYSTEM32>\taskkill.exe' /F /IM Exsample.exe' (with hidden window)
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