Win32.HLLW.Autoruner2.62453

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /R'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /E'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /s'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /d'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'leauwuj' = '%HOMEPATH%\leauwuj.exe /y'

Creates the following files on removable media

<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\rcx3f.tmp
<Drive name for removable media>:\rcx3e.tmp
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\rcx3d.tmp
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\rcx3c.tmp
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\rcx3b.tmp
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\rcx3a.tmp
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\rcx39.tmp
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\rcx38.tmp
<Drive name for removable media>:\rcx36.tmp
<Drive name for removable media>:\rcx40.tmp
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\rcx35.tmp
<Drive name for removable media>:\rcx34.tmp
<Drive name for removable media>:\rcx33.tmp
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\rcx32.tmp
<Drive name for removable media>:\rcx31.tmp
<Drive name for removable media>:\rcx30.tmp
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\rcx2f.tmp
<Drive name for removable media>:\rcx2e.tmp
<Drive name for removable media>:\rcx2d.tmp
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\rcx37.tmp
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\rcx41.tmp
<Drive name for removable media>:\rcx56.tmp
<Drive name for removable media>:\passwords.exe
<Drive name for removable media>:\rcx55.tmp
<Drive name for removable media>:\rcx54.tmp
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\rcx53.tmp
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\secret.exe
<Drive name for removable media>:\rcx52.tmp
<Drive name for removable media>:\rcx51.tmp
<Drive name for removable media>:\rcx50.tmp
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\rcx4f.tmp
<Drive name for removable media>:\rcx4e.tmp
<Drive name for removable media>:\rcx2c.tmp
<Drive name for removable media>:\babyboymaintoscenesbackground.exe
<Drive name for removable media>:\rcx4c.tmp
<Drive name for removable media>:\rcx4b.tmp
<Drive name for removable media>:\rcx4a.tmp
<Drive name for removable media>:\excel_example.exe
<Drive name for removable media>:\rcx49.tmp
<Drive name for removable media>:\rcx48.tmp
<Drive name for removable media>:\rcx47.tmp
<Drive name for removable media>:\1sm_price.exe
<Drive name for removable media>:\rcx46.tmp
<Drive name for removable media>:\rcx45.tmp
<Drive name for removable media>:\rcx44.tmp
<Drive name for removable media>:\price030215.exe
<Drive name for removable media>:\rcx43.tmp
<Drive name for removable media>:\rcx42.tmp
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\rcx2b.tmp
<Drive name for removable media>:\rcx2a.tmp
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\rcx12.tmp
<Drive name for removable media>:\rcx11.tmp
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\rcx10.tmp
<Drive name for removable media>:\rcxf.tmp
<Drive name for removable media>:\rcxe.tmp
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\rcxd.tmp
<Drive name for removable media>:\rcxc.tmp
<Drive name for removable media>:\rcxb.tmp
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\rcxa.tmp
<Drive name for removable media>:\rcx9.tmp
<Drive name for removable media>:\rcx57.tmp
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\rcx7.tmp
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\rcx6.tmp
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\rcx5.tmp
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\rcx4.tmp
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\rcx3.tmp
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\rcx2.tmp
<Drive name for removable media>:\rcx1.tmp
<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\leauwuj.exe
<Drive name for removable media>:\rcx8.tmp
<Drive name for removable media>:\rcx4d.tmp
<Drive name for removable media>:\rcx14.tmp
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\rcx15.tmp
<Drive name for removable media>:\rcx29.tmp
<Drive name for removable media>:\rcx28.tmp
<Drive name for removable media>:\rcx27.tmp
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\rcx26.tmp
<Drive name for removable media>:\rcx25.tmp
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\rcx24.tmp
<Drive name for removable media>:\rcx23.tmp
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\rcx22.tmp
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\rcx21.tmp
<Drive name for removable media>:\rcx16.tmp
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\rcx13.tmp
<Drive name for removable media>:\rcx1f.tmp
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\rcx1e.tmp
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\rcx1d.tmp
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\rcx1c.tmp
<Drive name for removable media>:\rcx1b.tmp
<Drive name for removable media>:\rcx1a.tmp
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\rcx19.tmp
<Drive name for removable media>:\rcx18.tmp
<Drive name for removable media>:\rcx17.tmp
<Drive name for removable media>:\rcx20.tmp
<Drive name for removable media>:\rcx58.tmp

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%\leauwuj.exe

Sets the 'hidden' attribute to the following files

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

Deletes the following files

<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\babyboymaintoscenesbackground.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\price030215.exe
<Drive name for removable media>:\1sm_price.exe
<Drive name for removable media>:\excel_example.exe
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\passwords.exe

Substitutes the following files

<Drive name for removable media>:\delete.exe
<Drive name for removable media>:\dualectls.exe
<Drive name for removable media>:\bc01.exe
<Drive name for removable media>:\7790_preview.exe
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
<Drive name for removable media>:\breakpoint.exe
<Drive name for removable media>:\dissolveanother.exe
<Drive name for removable media>:\calibre.exe
<Drive name for removable media>:\arrow-down.exe
<Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
<Drive name for removable media>:\porn.exe
<Drive name for removable media>:\babyboymaintoscenesbackground.exe
<Drive name for removable media>:\testwmv.exe
<Drive name for removable media>:\price030215.exe
<Drive name for removable media>:\1sm_price.exe
<Drive name for removable media>:\excel_example.exe
<Drive name for removable media>:\guide_reorganization_mapping.exe
<Drive name for removable media>:\fiche_inscription_2015.exe
<Drive name for removable media>:\sexy.exe
<Drive name for removable media>:\fil_20060629111052.exe
<Drive name for removable media>:\asm.exe
<Drive name for removable media>:\spib_pima.exe
<Drive name for removable media>:\cveuropeo.exe
<Drive name for removable media>:\dial.exe
<Drive name for removable media>:\default.exe
<Drive name for removable media>:\dashborder_96.exe
<Drive name for removable media>:\dashborder_120.exe
<Drive name for removable media>:\dashborder_192.exe
<Drive name for removable media>:\february_catalogue__2015.exe
<Drive name for removable media>:\applicantform_en.exe
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
<Drive name for removable media>:\weeklysheet1215.exe
<Drive name for removable media>:\video.exe
<Drive name for removable media>:\lisp_success.exe
<Drive name for removable media>:\fi51.exe
<Drive name for removable media>:\168.exe
<Drive name for removable media>:\3.exe
<Drive name for removable media>:\2.exe
<Drive name for removable media>:\4f0bf7ff71f28.exe
<Drive name for removable media>:\parnas_01.exe
<Drive name for removable media>:\13.exe
<Drive name for removable media>:\video_1.exe
<Drive name for removable media>:\passwords.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%\leauwuj.exe'

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Technical Information