Win32.HLLW.Autoruner3.899

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

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

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\ff_ot_user_guide.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\lom602.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\10thingscondoms.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\cleanlyrics.exe
<Drive name for removable media>:\block.exe
<Drive name for removable media>:\passport_pal.exe
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\cbz.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
<Drive name for removable media>:\region-north-karelia.exe
<Drive name for removable media>:\pushkin.exe
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\split.exe
<Drive name for removable media>:\dial.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>:\tileimage.exe
<Drive name for removable media>:\cjnab.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\508softwareandos.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>:\3.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\excel_example.exe
<Drive name for removable media>:\removedtitles_records.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%\cjnab.exe

Sets the 'hidden' attribute to the following files

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

Technologies

Begriffe

Schulung und Training

Mythen

Technical Information