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Win32.HLLW.Autoruner2.56921

Added to the Dr.Web virus database: 2019-08-13

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /J'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /o'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'frnug' = '%HOMEPATH%\frnug.exe /Q'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\rcx41.tmp
  • <Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
  • <Drive name for removable media>:\rcx40.tmp
  • <Drive name for removable media>:\asm.exe
  • <Drive name for removable media>:\rcx3f.tmp
  • <Drive name for removable media>:\calibre.exe
  • <Drive name for removable media>:\rcx3e.tmp
  • <Drive name for removable media>:\bg_search_box.exe
  • <Drive name for removable media>:\rcx3d.tmp
  • <Drive name for removable media>:\cbz.exe
  • <Drive name for removable media>:\rcx3c.tmp
  • <Drive name for removable media>:\dissolveanother.exe
  • <Drive name for removable media>:\rcx3b.tmp
  • <Drive name for removable media>:\rcx3a.tmp
  • <Drive name for removable media>:\rcx42.tmp
  • <Drive name for removable media>:\rcx39.tmp
  • <Drive name for removable media>:\rcx38.tmp
  • <Drive name for removable media>:\rcx37.tmp
  • <Drive name for removable media>:\rcx36.tmp
  • <Drive name for removable media>:\7790_preview.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>:\dualectls.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>:\fil_20060629111052.exe
  • <Drive name for removable media>:\rcx2f.tmp
  • <Drive name for removable media>:\rcx2e.tmp
  • <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
  • <Drive name for removable media>:\passport_pal.exe
  • <Drive name for removable media>:\rcx43.tmp
  • <Drive name for removable media>:\rcx44.tmp
  • <Drive name for removable media>:\rcx51.tmp
  • <Drive name for removable media>:\rcx52.tmp
  • <Drive name for removable media>:\fiche_inscription_2015.exe
  • <Drive name for removable media>:\rcx53.tmp
  • <Drive name for removable media>:\rcx54.tmp
  • <Drive name for removable media>:\rcx55.tmp
  • <Drive name for removable media>:\sexy.exe
  • <Drive name for removable media>:\rcx5a.tmp
  • <Drive name for removable media>:\rcx56.tmp
  • <Drive name for removable media>:\porn.exe
  • <Drive name for removable media>:\rcx57.tmp
  • <Drive name for removable media>:\rcx58.tmp
  • <Drive name for removable media>:\passwords.exe
  • <Drive name for removable media>:\rcx59.tmp
  • <Drive name for removable media>:\rcx50.tmp
  • <Drive name for removable media>:\guide_reorganization_mapping.exe
  • <Drive name for removable media>:\rcx4f.tmp
  • <Drive name for removable media>:\rcx4e.tmp
  • <Drive name for removable media>:\rcx4d.tmp
  • <Drive name for removable media>:\subjectclassification.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>:\price030215.exe
  • <Drive name for removable media>:\rcx46.tmp
  • <Drive name for removable media>:\rcx45.tmp
  • <Drive name for removable media>:\testwmv.exe
  • <Drive name for removable media>:\rcx2d.tmp
  • <Drive name for removable media>:\secret.exe
  • <Drive name for removable media>:\spib_pima.exe
  • <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
  • <Drive name for removable media>:\rcx13.tmp
  • <Drive name for removable media>:\rcx12.tmp
  • <Drive name for removable media>:\cveuropeo.exe
  • <Drive name for removable media>:\rcx11.tmp
  • <Drive name for removable media>:\rcx10.tmp
  • <Drive name for removable media>:\rcxf.tmp
  • <Drive name for removable media>:\applicantform_en.exe
  • <Drive name for removable media>:\rcxe.tmp
  • <Drive name for removable media>:\rcxd.tmp
  • <Drive name for removable media>:\rcxc.tmp
  • <Drive name for removable media>:\february_catalogue__2015.exe
  • <Drive name for removable media>:\rcxb.tmp
  • <Drive name for removable media>:\rcxa.tmp
  • <Drive name for removable media>:\rcx9.tmp
  • <Drive name for removable media>:\rcx14.tmp
  • <Drive name for removable media>:\hanni_umami_chapter.exe
  • <Drive name for removable media>:\dashborder_192.exe
  • <Drive name for removable media>:\rcx7.tmp
  • <Drive name for removable media>:\dashborder_120.exe
  • <Drive name for removable media>:\rcx6.tmp
  • <Drive name for removable media>:\dashborder_96.exe
  • <Drive name for removable media>:\rcx5.tmp
  • <Drive name for removable media>:\dialmap.exe
  • <Drive name for removable media>:\rcx4.tmp
  • <Drive name for removable media>:\rcx3.tmp
  • <Drive name for removable media>:\000814251_video_01.exe
  • <Drive name for removable media>:\rcx2.tmp
  • <Drive name for removable media>:\rcx1.tmp
  • <Drive name for removable media>:\correct.exe
  • <Drive name for removable media>:\frnug.exe
  • <Drive name for removable media>:\rcx8.tmp
  • <Drive name for removable media>:\508softwareandos.exe
  • <Drive name for removable media>:\rcx15.tmp
  • <Drive name for removable media>:\rcx16.tmp
  • <Drive name for removable media>:\parnas_01.exe
  • <Drive name for removable media>:\rcx23.tmp
  • <Drive name for removable media>:\13.exe
  • <Drive name for removable media>:\rcx24.tmp
  • <Drive name for removable media>:\210252809.exe
  • <Drive name for removable media>:\rcx25.tmp
  • <Drive name for removable media>:\rcx26.tmp
  • <Drive name for removable media>:\rcx2b.tmp
  • <Drive name for removable media>:\rcx27.tmp
  • <Drive name for removable media>:\video.exe
  • <Drive name for removable media>:\rcx28.tmp
  • <Drive name for removable media>:\rcx29.tmp
  • <Drive name for removable media>:\ff_ot_user_guide.exe
  • <Drive name for removable media>:\rcx2a.tmp
  • <Drive name for removable media>:\rcx22.tmp
  • <Drive name for removable media>:\pushkin.exe
  • <Drive name for removable media>:\rcx21.tmp
  • <Drive name for removable media>:\168.exe
  • <Drive name for removable media>:\rcx20.tmp
  • <Drive name for removable media>:\rcx1f.tmp
  • <Drive name for removable media>:\rcx1e.tmp
  • <Drive name for removable media>:\fi51.exe
  • <Drive name for removable media>:\rcx1d.tmp
  • <Drive name for removable media>:\rcx1c.tmp
  • <Drive name for removable media>:\rcx1b.tmp
  • <Drive name for removable media>:\weeklysheet1215.exe
  • <Drive name for removable media>:\rcx1a.tmp
  • <Drive name for removable media>:\rcx19.tmp
  • <Drive name for removable media>:\rcx18.tmp
  • <Drive name for removable media>:\ovp25012015.exe
  • <Drive name for removable media>:\rcx17.tmp
  • <Drive name for removable media>:\rcx2c.tmp
  • <Drive name for removable media>:\rcx5b.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%\frnug.exe
Sets the 'hidden' attribute to the following files
  • %HOMEPATH%\frnug.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\frnug.exe
Deletes the following files
  • <Drive name for removable media>:\correct.exe
  • <Drive name for removable media>:\fil_20060629111052.exe
  • <Drive name for removable media>:\dualectls.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>:\dissolveanother.exe
  • <Drive name for removable media>:\cbz.exe
  • <Drive name for removable media>:\bg_search_box.exe
  • <Drive name for removable media>:\calibre.exe
  • <Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
  • <Drive name for removable media>:\porn.exe
  • <Drive name for removable media>:\passport_pal.exe
  • <Drive name for removable media>:\testwmv.exe
  • <Drive name for removable media>:\price030215.exe
  • <Drive name for removable media>:\excel_example.exe
  • <Drive name for removable media>:\subjectclassification.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>:\spib_pima.exe
  • <Drive name for removable media>:\asm.exe
  • <Drive name for removable media>:\ff_ot_user_guide.exe
  • <Drive name for removable media>:\cveuropeo.exe
  • <Drive name for removable media>:\000814251_video_01.exe
  • <Drive name for removable media>:\dialmap.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>:\hanni_umami_chapter.exe
  • <Drive name for removable media>:\february_catalogue__2015.exe
  • <Drive name for removable media>:\applicantform_en.exe
  • <Drive name for removable media>:\508softwareandos.exe
  • <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
  • <Drive name for removable media>:\ovp25012015.exe
  • <Drive name for removable media>:\weeklysheet1215.exe
  • <Drive name for removable media>:\fi51.exe
  • <Drive name for removable media>:\168.exe
  • <Drive name for removable media>:\pushkin.exe
  • <Drive name for removable media>:\parnas_01.exe
  • <Drive name for removable media>:\13.exe
  • <Drive name for removable media>:\210252809.exe
  • <Drive name for removable media>:\video.exe
  • <Drive name for removable media>:\passwords.exe
Substitutes the following files
  • <Drive name for removable media>:\correct.exe
  • <Drive name for removable media>:\fil_20060629111052.exe
  • <Drive name for removable media>:\dualectls.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>:\dissolveanother.exe
  • <Drive name for removable media>:\cbz.exe
  • <Drive name for removable media>:\bg_search_box.exe
  • <Drive name for removable media>:\calibre.exe
  • <Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
  • <Drive name for removable media>:\porn.exe
  • <Drive name for removable media>:\passport_pal.exe
  • <Drive name for removable media>:\testwmv.exe
  • <Drive name for removable media>:\price030215.exe
  • <Drive name for removable media>:\excel_example.exe
  • <Drive name for removable media>:\subjectclassification.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>:\spib_pima.exe
  • <Drive name for removable media>:\asm.exe
  • <Drive name for removable media>:\ff_ot_user_guide.exe
  • <Drive name for removable media>:\cveuropeo.exe
  • <Drive name for removable media>:\000814251_video_01.exe
  • <Drive name for removable media>:\dialmap.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>:\hanni_umami_chapter.exe
  • <Drive name for removable media>:\february_catalogue__2015.exe
  • <Drive name for removable media>:\applicantform_en.exe
  • <Drive name for removable media>:\508softwareandos.exe
  • <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
  • <Drive name for removable media>:\ovp25012015.exe
  • <Drive name for removable media>:\weeklysheet1215.exe
  • <Drive name for removable media>:\fi51.exe
  • <Drive name for removable media>:\168.exe
  • <Drive name for removable media>:\pushkin.exe
  • <Drive name for removable media>:\parnas_01.exe
  • <Drive name for removable media>:\13.exe
  • <Drive name for removable media>:\210252809.exe
  • <Drive name for removable media>:\video.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%\frnug.exe'

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Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.

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