Win32.HLLW.Autoruner3.2892

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'mfwuux' = '%HOMEPATH%\mfwuux.exe /t'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\bg_search_box.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\10thingscondoms.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\cleanlyrics.exe
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\mfwuux.exe
<Drive name for removable media>:\archer.exe
<Drive name for removable media>:\000814251_video_01.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>:\fi51.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\dashborder_144.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\cbz.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%\mfwuux.exe

Sets the 'hidden' attribute to the following files

%HOMEPATH%\mfwuux.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%\mfwuux.exe'

Technologies

Terminology

Training and education

Myths

Technical Information