Win32.HLLW.Autoruner2.15623

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

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

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\cleanlyrics.exe
<Drive name for removable media>:\bg_search_box.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\calculatorworksheet.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\flower_trans_matte.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
<Drive name for removable media>:\babyboymaintoscenesbackground.exe
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\51.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\sauyie.exe
<Drive name for removable media>:\correct.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\000814251_video_01.exe
<Drive name for removable media>:\tileimage.exe
<Drive name for removable media>:\dashborder_144.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\508softwareandos.exe
<Drive name for removable media>:\ovp25012015.exe
<Drive name for removable media>:\2.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>:\1189.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\fiche_inscription_2015.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%\sauyie.exe

Sets the 'hidden' attribute to the following files

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

Network activity

Connects to

'255.255.255.255':8000

UDP

DNS ASK ns#.##opsuwey.com
DNS ASK ns#.##opsuwey.net
DNS ASK ns#.##opsuwey.org
DNS ASK ns#.##opsuwey.biz
DNS ASK ns#.##opsuwey.info

Miscellaneous

Creates and executes the following

'%HOMEPATH%\sauyie.exe'

Technologies

Terminology

Training and education

Myths

Technical Information