Win32.HLLW.Autoruner2.64868

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'biofed' = '%HOMEPATH%\biofed.exe /f'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'biofed' = '%HOMEPATH%\biofed.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'biofed' = '%HOMEPATH%\biofed.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'biofed' = '%HOMEPATH%\biofed.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'biofed' = '%HOMEPATH%\biofed.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'biofed' = '%HOMEPATH%\biofed.exe /M'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\productos.exe
<Drive name for removable media>:\contractualdeadlines.exe
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\subjectclassification.exe
<Drive name for removable media>:\excel_example.exe
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\correct.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\dialmap.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\dashborder_144.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\biofed.exe
<Drive name for removable media>:\coffee.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\hanni_umami_chapter.exe
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\508softwareandos.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\passwords.exe

Malicious functions

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Modifies file system

Creates the following files

%HOMEPATH%\biofed.exe

Sets the 'hidden' attribute to the following files

%HOMEPATH%\biofed.exe
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\biofed.exe

Network activity

Connects to

'255.255.255.255':8000

UDP

DNS ASK ns#.##ayer1352.com
DNS ASK ns#.##ayer1352.net
DNS ASK ns#.##ayer1352.org

Miscellaneous

Creates and executes the following

'%HOMEPATH%\biofed.exe'

Technologies

Terminology

Training and education

Myths

Technical Information