Win32.HLLW.Autoruner3.39

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

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

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>:\pushkin.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\dashborder_96.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>:\block.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\1189.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\000814251_video_01.exe
<Drive name for removable media>:\correct.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\dashborder_144.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\coffee.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\hanni_umami_chapter.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\coihoi.exe
<Drive name for removable media>:\dial.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%\coihoi.exe

Sets the 'hidden' attribute to the following files

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

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%\coihoi.exe'

Tecnologías

Términos

Formación y educación

Mitos

Technical Information