Win32.HLLW.Autoruner2.64937

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

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

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.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>:\background.exe
<Drive name for removable media>:\cbz.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\51.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\contractualdeadlines.exe
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\dialmap.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\dashborder_144.exe
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\yzjix.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\210252809.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\cveuropeo.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%\yzjix.exe

Sets the 'hidden' attribute to the following files

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

Technologies

Terminology

Training and education

Myths

Technical Information