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Win32.HLLW.Autoruner3.401

Added to the Dr.Web virus database: 2019-10-18

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MyApp' = '%APPDATA%\MyApp\MyApp.exe'
Creates the following files on removable media
  • <Drive name for removable media>:\scr.exe
  • <Drive name for removable media>:\calc.exe.lnk
  • <Drive name for removable media>:\skypesetup.exe.lnk
  • <Drive name for removable media>:\file_p_00000000_1371597592.docx.lnk
  • <Drive name for removable media>:\holycrosschurchinstructions.docx.lnk
  • <Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc.lnk
  • <Drive name for removable media>:\508softwareandos.doc.lnk
  • <Drive name for removable media>:\lisp_success.doc.lnk
  • <Drive name for removable media>:\weeklysheet1215.doc.lnk
  • <Drive name for removable media>:\fi51.doc.lnk
  • <Drive name for removable media>:\contoso.cer.lnk
  • <Drive name for removable media>:\notepad.exe.lnk
  • <Drive name for removable media>:\contosoroot_1.cer.lnk
  • <Drive name for removable media>:\contoso_1.cer.lnk
  • <Drive name for removable media>:\contosoroot.cer.lnk
  • <Drive name for removable media>:\dashborder_120.bmp.lnk
  • <Drive name for removable media>:\tileimage.bmp.lnk
  • <Drive name for removable media>:\toolbar.bmp.lnk
  • <Drive name for removable media>:\dashborder_192.bmp.lnk
  • <Drive name for removable media>:\dialmap.bmp.lnk
  • <Drive name for removable media>:\dial.bmp.lnk
  • <Drive name for removable media>:\split.avi.lnk
  • <Drive name for removable media>:\delete.avi.lnk
  • <Drive name for removable media>:\sdkfailsafeemulator.cer.lnk
  • <Drive name for removable media>:\jre-7u75-windows-i586-iftw.exe.lnk
Malicious functions
Searches for registry branches where third party applications store passwords
  • [<HKCU>\Software\RimArts\B2\Settings]
  • [<HKCU>\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions]
  • [<HKCU>\Software\FTPWare\COREFTP\Sites]
Reads files which store third party applications passwords
  • %APPDATA%\thunderbird\profiles.ini
Modifies file system
Creates the following files
  • %APPDATA%\myapp\myapp.exe
  • %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
  • %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
  • %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
  • <LS_APPDATA>\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
Sets the 'hidden' attribute to the following files
  • <Drive name for removable media>:\scr.exe