Win32.HLLW.Autoruner1.26278

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'opesys' = '<SYSTEM32>\afido.exe'

Creates the following files on removable media:

<Drive name for removable media>:\Autorun.inf

Malicious functions:

Creates and executes the following:

%TEMP%\1.tmp\b2e.exe %TEMP%\1.tmp\b2e.exe <Current directory> <Full path to virus>

Executes the following:

<SYSTEM32>\attrib.exe +h +s R:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "S:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "R:" /H/Y
<SYSTEM32>\attrib.exe +h +s R:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s S:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s T:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s T:\afido.exe
<SYSTEM32>\attrib.exe +h +s S:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "T:" /H/Y
<SYSTEM32>\attrib.exe +h +s Q:\afido.exe
<SYSTEM32>\attrib.exe +h +s O:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s O:\afido.exe
<SYSTEM32>\attrib.exe +h +s N:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "O:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "P:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "Q:" /H/Y
<SYSTEM32>\attrib.exe +h +s Q:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s P:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s P:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "Y:" /H/Y
<SYSTEM32>\attrib.exe +h +s Y:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s X:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s X:\afido.exe
<SYSTEM32>\attrib.exe +h +s Y:\afido.exe
<SYSTEM32>\attrib.exe +h +s Z:\afido.exe
%WINDIR%\regedit.exe /s reg.reg
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "Z:" /H/Y
<SYSTEM32>\attrib.exe +h +s Z:\Autorun.inf
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "X:" /H/Y
<SYSTEM32>\attrib.exe +h +s U:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "V:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "U:" /H/Y
<SYSTEM32>\attrib.exe +h +s U:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s V:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s W:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s W:\afido.exe
<SYSTEM32>\attrib.exe +h +s V:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "W:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "F:" /H/Y
<SYSTEM32>\attrib.exe +h +s F:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s E:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s E:\afido.exe
<SYSTEM32>\attrib.exe +h +s F:\afido.exe
<SYSTEM32>\attrib.exe +h +s G:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "H:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "G:" /H/Y
<SYSTEM32>\attrib.exe +h +s G:\Autorun.inf
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "E:" /H/Y
<SYSTEM32>\xcopy.exe afido.exe "<SYSTEM32>" /H/Y
<SYSTEM32>\reg.exe add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v opesys /t REG_SZ /d <SYSTEM32>\afido.exe /f
<SYSTEM32>\cmd.exe /c ""%TEMP%\2.tmp\batfile.bat" "
%WINDIR%\explorer.exe /E,\
<SYSTEM32>\ping.exe -n 15 localhost
<SYSTEM32>\attrib.exe +h +s <Drive name for removable media>:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s <Drive name for removable media>:\afido.exe
<SYSTEM32>\ping.exe -n 10 localhost
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "D:" /H/Y
<SYSTEM32>\attrib.exe +h +s L:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s L:\afido.exe
<SYSTEM32>\attrib.exe +h +s K:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "L:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "M:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "N:" /H/Y
<SYSTEM32>\attrib.exe +h +s N:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s M:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s M:\afido.exe
<SYSTEM32>\attrib.exe +h +s K:\Autorun.inf
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "I:" /H/Y
<SYSTEM32>\attrib.exe +h +s I:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s H:\Autorun.inf
<SYSTEM32>\attrib.exe +h +s H:\afido.exe
<SYSTEM32>\attrib.exe +h +s I:\afido.exe
<SYSTEM32>\attrib.exe +h +s J:\afido.exe
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "K:" /H/Y
<SYSTEM32>\xcopy.exe "<SYSTEM32>\afido.exe" "J:" /H/Y
<SYSTEM32>\attrib.exe +h +s J:\Autorun.inf

Modifies file system :

Creates the following files:

<Current directory>\reg.reg
%TEMP%\2.tmp\batfile.bat
%TEMP%\1.tmp\b2e.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\Autorun.inf

Deletes the following files:

<Current directory>\reg.reg

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: 'GINA Logon'
ClassName: 'RegEdit_RegEdit' WindowName: ''
ClassName: '' WindowName: ''
ClassName: 'Indicator' WindowName: ''

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Technical Information