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Win32.HLLW.Autoruner3.2253

Added to the Dr.Web virus database: 2020-04-26

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5cd8f17f4086744065eb0992a09e05a2' = '"<Full path to file>" ..'
  • [<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] '5cd8f17f4086744065eb0992a09e05a2' = '"<Full path to file>" ..'
Creates the following files on removable media
  • <Drive name for removable media>:\5cd8f17f4086744065eb0992a09e05a2.exe
  • <Drive name for removable media>:\issi2013_template_for_posters.docx.lnk
  • <Drive name for removable media>:\nwfieldnotes1966.docx.lnk
  • <Drive name for removable media>:\adhd_and_obesity.docx.lnk
  • <Drive name for removable media>:\lisp_success.doc.lnk
  • <Drive name for removable media>:\february_catalogue__2015.doc.lnk
  • <Drive name for removable media>:\sdksampleunprivdeveloper.cer.lnk
  • <Drive name for removable media>:\testcertificate.cer.lnk
  • <Drive name for removable media>:\testee.cer.lnk
  • <Drive name for removable media>:\notepad.exe.lnk
  • <Drive name for removable media>:\contosoroot.cer.lnk
  • <Drive name for removable media>:\dial.bmp.lnk
  • <Drive name for removable media>:\tileimage.bmp.lnk
  • <Drive name for removable media>:\dashborder_120.bmp.lnk
  • <Drive name for removable media>:\dashborder_96.bmp.lnk
  • <Drive name for removable media>:\dashborder_192.bmp.lnk
  • <Drive name for removable media>:\toolbar.bmp.lnk
  • <Drive name for removable media>:\archer.avi.lnk
  • <Drive name for removable media>:\delete.avi.lnk
  • <Drive name for removable media>:\pmd.cer.lnk
  • <Drive name for removable media>:\jre-7u75-windows-i586-iftw.exe.lnk
Malicious functions
Executes the following
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to file>" "<File name>.exe" ENABLE
Modifies file system
Sets the 'hidden' attribute to the following files
  • <Drive name for removable media>:\5cd8f17f4086744065eb0992a09e05a2.exe
Network activity
Connects to
  • 'ka#####2020.linkpc.net':81
UDP
  • DNS ASK ka#####2020.linkpc.net
Miscellaneous
Creates and executes the following
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "<Full path to file>" "<File name>.exe" ENABLE' (with hidden window)
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