Win32.HLLW.Autoruner3.902

Added to the Dr.Web virus database: 2019-10-25

Virus description added: 2019-10-27

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

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

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\background.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
<Drive name for removable media>:\10thingscondoms.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\hanni_umami_chapter.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\toolbar.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\dashborder_144.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\join.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\ctzib.exe
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\cleanlyrics.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%\ctzib.exe

Sets the 'hidden' attribute to the following files

%HOMEPATH%\ctzib.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

Miscellaneous

Creates and executes the following

'%HOMEPATH%\ctzib.exe'

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical Information