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Win32.HLLW.Siggen.10401
Added to the Dr.Web virus database:
2018-04-16
Virus description added:
2018-04-15
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
<LS_APPDATA>\Start\update_backup.exe
<LS_APPDATA>\Start\RCX5.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
file extensions
Modifies file system:
Creates the following files:
%TEMP%\HbkX.resources
%TEMP%\vbc3.tmp
%TEMP%\pnva37sd.out
%TEMP%\pnva37sd.cmdline
%TEMP%\pnva37sd.0.vb
%TEMP%\whatdafock.txt
%TEMP%\nbojWyW.resources
%TEMP%\rh.resources
%TEMP%\176bdlez.exe
%TEMP%\RES4.tmp
%TEMP%\RES2.tmp
%TEMP%\176bdlez.out
%TEMP%\176bdlez.cmdline
%TEMP%\176bdlez.0.vb
%TEMP%\MSNPSharp.dll
%TEMP%\fxP8y.resources
<LS_APPDATA>\Start\update.exe
%TEMP%\svchost.exe
%TEMP%\update.exe
%TEMP%\vbc1.tmp
%TEMP%\windowsupdate.ico
Deletes the following files:
%TEMP%\RES2.tmp
%TEMP%\vbc1.tmp
%TEMP%\176bdlez.out
%TEMP%\176bdlez.cmdline
%TEMP%\176bdlez.0.vb
%TEMP%\176bdlez.exe
%TEMP%\RES4.tmp
%TEMP%\vbc3.tmp
%TEMP%\pnva37sd.0.vb
%TEMP%\pnva37sd.cmdline
%TEMP%\pnva37sd.out
%TEMP%\rh.resources
%TEMP%\nbojWyW.resources
<LS_APPDATA>\Start\update_backup.exe
%TEMP%\windowsupdate.ico
<LS_APPDATA>\Start\update.exe
Miscellaneous:
Creates and executes the following:
'%TEMP%\update.exe'
'%TEMP%\svchost.exe'
Executes the following:
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\176bdlez.cmdline"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\pnva37sd.cmdline"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4.tmp" "%TEMP%\vbc3.tmp"
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