Win32.HLLW.Autoruner3.961

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'seiahu' = '%HOMEPATH%\seiahu.exe /z'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\10thingscondoms.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\seiahu.exe
<Drive name for removable media>:\correct.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\dialmap.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\coffee.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\testwmv.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%\seiahu.exe

Sets the 'hidden' attribute to the following files

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

Network activity

Connects to

'ns#.##ayer1352.com':8000

UDP

DNS ASK ns#.##ayer1352.com

Miscellaneous

Creates and executes the following

'%HOMEPATH%\seiahu.exe'

Tecnologie

Termini

Formazione ed informazione

Falsi miti

Technical Information